UNDERCARRIAGE RELATED IRM LISTING Caterpillar

UNDERCARRIAGE RELATED IRM LISTING

This Information Release Memo is a listing of IRM?s issued from 1994 through 2005.  Reference IRM UC04-01 for listing of IRM?s prior to 1994.  The listing is divided by SUBJECT and includes the IRM title, number, media number and date issued.  Many IRM?s are listed under different subjects, example IRM UC05-12; titled ?345C, 365C, 385C Excavator Grease Lubricated Track (GLT) is listed under subject headings ?Hydraulic Excavators? and ?Link Assembly?.

The following is list of IRM?s released during 2005:

UC05-01        Undercarriage Related IRM Listing (PELJ0471)

UC05-02        CTS (Custom Track Service) v5.5 Updates (PELJ0479)

UC05-03        D9R/N, D9L New and Improved Master Links (PELJ0480)

UC05-04        Undercarriage Selector (UCS) 1.0 Introduction (PELJ0486)

UC05-05        Custom Track Service Form Translations Update (PELJ0495)

UC05-06        New D11R/N Track Thrust Rings Available (PELJ0498)

UC05-07        TTT & TTL Classic Idler Groups Available (PELJ0500)

UC05-08        Updated Undercarriage Service Guide CD-Rom (PELJ0502)

UC05-09        New Hybrid Track for Tractors, Loaders, & Excavators 8.50? (215.9 mm) Pitch ? ? Bolts (PELJ0519)

UC05-10        Timberking^TM Track Feller Buncher Undercarriage (PELJ0523)

UC05-11        D7R, D6R, 973C, 963C, 572R, 527 Track Roller Group Improvements (PELJ0540)

UC05-12        345C, 365C, 385C Excavator Grease Lubricated Track (GLT) (PELJ0541)

UC05-13        D5N/M CAT SystemOne Undercarriage (PELJ0359)

UC05-14        963C/B, 963 CAT^?  SystemOne^TM Undercarriage(PELJ0363)

UC05-15        953C CAT^?  SystemOne^TM Undercarriage(PELJ0364)

UC05-16        5^th Edition Undercarriage Parts Sales Kit (PSK) Available (PELJ0563)

UC05-17        953C, 953B CAT^?  SystemOne^TM Undercarriage(PELJ0584) 

UC05-18        Knowledge Network Community: Global Undercarriage Information (Dealers & Caterpillar (PELJ0597)

TCRobertson

Undercarriage Marketing Division

Marketing Product Support Division

CV4111 ? Tel. (309) 675-7879

E-mail: Robertson_Thomas@CAT.com

IRM Subject                                                                                                IRM No.          Date

CUSTOM TRACK SERVICE (CTS)

Ultrasonic Wear Indicator Battery Pack                                                      UC96-17          06/96

Custom Track Service Handbook, Edition 14                                             UC98-15          10/98

Ultrasonic Wear Indicator III                                                                         UC99-12          09/99

Custom Track Service Handbook ? 15^th Edition (PELJ0214)                     UC03-08          07/03

Updated CTS v5.0 Computer Program (PELJ0225)                                   UC03-10          08/03

Ultrasonic Wear Indicator Software Upgrade (PELJ0313)                          UC04-09          03/04

Custom Track Service (CTS) 5.5 Introduction (PELJ0315)                        UC04-10          03/04

Custom Track Service Handbook Translations (PELJ0365)                      UC04-13          06/04

CTS (Custom Track Service) v5.5 Updates (PELJ0479)                           UC05-02          01/05

Undercarriage Selector (UCS) 1.0 Introduction (PELJ0486)                      UC05-04          01/05

Custom Track Service Form Translations Update (PELJ0495)                 UC05-05          02/05

TRACK-TYPE TRACTORS

New D11N Track Bushing                                                                           UC94-3            02/94

Common D5H Sprocket Segments                                                            UC94-5            02/94

Common D5H Sprocket Segments Addendum                                          UC94-5A         11/94

Improved Master Links (Tooth Profiles)                                                       UC94-8            06/94

New D11N Sprocket Segments and Hardware                                           UC94-12          06/94

New D6H and D5H Heavy Duty Track Bushing and Seal Groups              UC94-15          12/94

Caterpillar^? Heavy Duty Track for D5H Track Skidders                              UC94-17          09/94

Caterpillar Heavy Duty Track for D4H Track-Type Tractors                       UC94-18          09/94

New D9L Sprocket Segments and Hardware                                             UC94-19          09/94

Common D6H Sprocket Segments                                                            UC94-20          09/94

New D8N Sprocket Segments                                                                    UC94-21          10/94

New D8L Sprocket Segments and Hardware                                             UC94-22          10/94

Updated D9/594 Track Link                                                                         UC94-23          11/94

New D10 Sprocket Segments and Hardware                                             UC95-2            01/95

Caterpillar Rotating Bushing Track for D6H TTTs                                      UC95-5            02/95

Rigid Seals for D6/963/955 Track                                                               UC95-8            04/95

Rigid Seals for D7/973/977 Track                                                               UC95-9            04/95

Caterpillar Rotating Bushing Track for D4H TTTs                                      UC95-11          05/95

Caterpillar Heavy Duty SALT Track for D7H TTTs                                      UC95-12          06/95

Caterpillar Heavy Duty SALT Track for D7H TTTs - Addendum                 UC95-12A       06/95

Caterpillar Rotating Bushing Track for D5H TTTs                                      UC95-13          08/95

Updated Track Roller Groups for Oval Tractors and Loaders                    UC95-14          08/95

Caterpillar Rotating Bushing Track for D7H TTTs                                      UC95-15          11/95

New Quad-Link Track Shoe Available for D5H Heavy Duty Track              UC96-2            02/96

New Special Application Track Rollers and Idlers for Large Elevated        UC96-3            02/96

   Track-Type Tractors

Improved D11N Link Assembly                                                                   UC96-4            02/96

D9R Undercarriage Information                                                                  UC96-5            02/96

New Improved Track Roller Design for D6H and 963 Tractors and           UC96-7            03/96

   Loaders

New Improved Track Roller Design for D5H and 963 Tractors and           UC96-8            04/96

   Loaders

IRM Subject                                                                                                IRM No.          Date

TRACK-TYPE TRACTORS

D8R Undercarriage Information                                                                   UC96-13          05/96

New Improved Track Roller Design for D4H, D5C TTT & 943,939 TTL     UC96-14          05/96

D10R Undercarriage Information                                                                 UC96-19          07/96

D11R Undercarriage Information                                                                 UC96-20          07/96

D9N/D9R Super Extreme Service Track Shoes                                         UC96-23          10/96

D8R, D8N, D8L and 578 Bushing and Pin Changes                                  UC96-25          10/96

D5M Track-Type Tractor Undercarriage Intro.                                            UC96-26          12/96

D6M Track-Type Tractor Undercarriage Intro.                                            UC96-27          12/96

D6R Track-Type Tractor Undercarriage Intro.                                            UC96-28          12/96

D7R Track-Type Tractor Undercarriage Intro.                                            UC96-29          12/96

527 Track Skidder Undercarriage Intro.                                                       UC97-2            01/97

New Improved Track Roller Design for D7H/R and 973 Tractors and        UC97-7            04/97

   Loaders

New Improved Sprocket Segment and Mounting Hardware D11R/N         UC97-9            10/97

D11R/N Track Shoe Rework                                                                       UC98-4            02/98

New Improved Sprocket Segment D8R/N, D7R/H                                      UC98-6            05/98

D11R/N New and Improved Link Assembly                                                UC98-8            05/98

D11R/D8R New Abutment Style Roller Caps                                             UC98-10          08/98

Rigid Seals for D4/943/941                                                                          UC98-11          09/98

Rigid Seals for D4C/D4B/D3C/D3B/D3/935C/933C/931C Track               UC98-12          09/98

D11R Sprocket Segment and Hardware Changes                                     UC98-13          10/98

D11R New Roller and Idler Groups with Symmetric Duo-Cone^TM Seals   UC98-16          11/98

Introducing New D11R Idler Guards                                                            UC98-17          11/98

Introducing Rotating Bushing Track for D5CTTT/939TTL                          UC98-19          11/98

Introducing Rotating Bushing Track for D5CTTT/939TTL (Addendum)     UC98-19A       11/99

517 Skidder Introduction                                                                              UC98-20          11/98

517 Skidder Introduction (Addendum)                                                         UC98-20A       10/99

D11R/N New Improved Track Bushing Available in Part's System            UC98-22          12/98

Positive Pin Retention Track Now Standard on D10R and D9R                UC98-23          12/98

   Machines

New Improved Sprocket Segment D6R/H                                                   UC98-24          12/98

Announcing the 583R Pipelayer                                                                  UC99-2            01/99

Rigid Seals for D5/953/951 Track                                                               UC99-3            03/99

D10R, D9R, D8R New Idler Groups with Symmetric Duo-Cone Seals     UC99-5            04/99

Undercarriage for the New 572R Pipelayer                                                 UC99-7            04/99

D9L & D8L Five Tooth Sprocket Segment, Provides Increased Bolt         UC99-8            05/99

   Retention

D10R Roller Groups with Symmetrical Duo-Cone Seals                           UC99-9            08/99

D9R D8R Roller Groups with Symmetrical Duo-Cone Seals                     UC99-10          08/99

D10R, D9R Improved Sprocket Segments                                                 UC99-11          09/99

Special Application Landfill Idler Groups for D10R, D9R, D8R, D7R,        UC99-13          09/99

   D6R Machines

D7R/572R Idler Groups with Symmetric Duo-Cone Seals and Additional UC99-14          10/99

   Wear Material

IRM Subject                                                                                                IRM No.          Date

TRACK-TYPE TRACTORS

D6R/527 New Idler Groups with Symmetric Duo-Cone Seals                   UC99-15          10/99

D3C/D4C/931C/933/935C New Carrier Roller Shell                                   UC00-2            03/00

D7R/D6R New Abutment Style Idler Mounting Caps                                  UC00-3            03/00

D4H/D5M, D5H/D6M, D6H/D6R, D7H/D7R Heavy Duty Track Link           UC00-4            04/00

   Identification

D4H/D5M, D5H/D6M, D6H/D6R, D7H/D7R Improved Heavy Duty             UC00-4A         08/00

   Track Link

D10 (84W, 76X) Five Tooth Sprocket Segment, Provides Increased        UC00-5            05/00

   Bolt Retention

New D11R Track Roller Groups with Improved Retainer Bolt Retention    UC00-6            05/00

D5M LGP?S with Additional Track Roller                                                     UC00-7            05/00

D4, D5, D6 Size Track Pins with Small Diameter Fill Hole                         UC00-8            05/00

Track Seal Sets for all Models                                                                     UC00-9            06/00

D11R New and Improved Track Bushing and Link Assembly                    UC00-11          08/00

D9R, D10R, D11R Track Roller Frame Improvements                              UC00-12          09/00

D6M/D5M/561H New Idler Groups with Symmetric Duo-Cone Seals        UC00-14          12/00

   And Improved Retainer Bolt Retention

New D11R Track Idler Group with Improved Retainer Bolt Retention        UC01-05          04/01

   (PELM1001)

D11R, D10R, D9R, D8R, Attachment Idler Guard Wear Packages           UC01-06          04/01

   Available  (PELM1002)

Improved 953B/D5B Sprocket Segment (PELM1003)                                UC01-07          04/01

New D10R, D9R, D8R, & 583R Pipelayer Track Roller Groups with         UC01-09          04/01

   Improved Retainer Bolt Retention (PELM1008)

D6R/D6H New and Improved Equalizer Bar Assemblies for Severe         UC01-10          05/01

   Applications (PELM1010)

D6 Elevated/Oval TTT and 527 Skidders, Redesigned Moderate              UC01-11          05/01

   Service Track Shoe (Single Grouser) (PELM1011)

Made To Order (MTO) Track Group Program (NACD Only) (PELM1018) UC01-13          07/01

D7R/H, D6R Cast Track Guiding Guard Kit Part Numbers Now                UC01-14          07/01

   Available (PELM1019)

953B/D5B ?Tough Steel? Sprocket Segment (PELM1030)                         UC01-15          09/01

D9R/N, D9L, 589 Improved Link Assemblies (PELM1040)                         UC01-17          11/01

D11R Improved Link Assembly and Track Bushing (PELM1041)              UC01-18          11/01

D4G/D3G Tractors with Improved U/C Life (PELM1043)                            UC01-19          11/01

Caterpillar Classic^TM Undercarriage Parts (NACD Only) (PELM1049)      UC01-21          12/01

D4 Redesigned Moderate Service Track Shoe (Single Grouser)               UC02-02          01/02

   (PELM1055)

New D7R Track Idler Groups with Improved Retainer Bolt Retention        UC02-03          02/02

   (PELM1056)

D10R?D6R Tough Steel^TM Segments Available at Reduced Price           UC02-07          06/02

   (PELM1071)

D11R-D8R New Track Guides Used on Bogie Suspension U/C                UC02-08          06/02

   (PELM1072)

IRM Subject                                                                                                IRM No.          Date

TRACK-TYPE TRACTORS

New D11R/N Bushing Wear Chart (PELM1075)                                        UC02-10          07/02

D6R/D6M/D5M Idler Groups with Increased Wear Material (PELM1079)   UC02-11          09/02

New D8L Split Master Links (PELM1085)                                                   UC02-12          10/02

Updates/Additions to Caterpillar Classic Undercarriage Parts                   UC02-13          10/02

   (PELM1086)

D11R/N Caterpillar Sleeve Brg Track (SBT) Link Assembly (PELM1098) UC02-15          12/02

D6N-D5N Track Type Tractor Undercarriage Introduction (PELJ0186)     UC03-06          05/03

New Link Assembly & Tough Steel Segments for D5G/C TTT, 939C        UC03-09          07-03

   TTL (PELJ0221)

New D11R/N Post Turn Track Seals (PELJ0242)                                      UC03-13          09/03

D10R/N Caterpillar^? Link Assembly with Improved Sealability                   UC03-14          10/03

   (NACD ONLY) (PELJ0243)

D11R/N Improved Sprocket Segments (PELJ0290)                                   UC04-02          01/04

D11R/N Link Assembly & Roller Group for High Abrasion Applications     UC04-03          02/04

  (PELJ0295)

D10 (84W, 76X) New & Improved Link Assemblies (PELJ0307)               UC04-05          03/04

New & Improved D10R/N Link Assemblies (PELJ0308)                             UC04-06          03/04

D11R/N, D10R/N, D9R/N Track Shoes with Increased Wear Life             UC04-07          04/04

  (PELJ0309)

D11R/N Improved Track Guides (PELJ0333)                                             UC04-12          04/04

New Sprocket Segments: for D9L Machines Converted to                        UC04-15          06/04

   D10N/R Undercarriage System (PELJ0368)

D6R/H CAT SystemOne Undercarriage (PELJ0357)                                 UC04-19          09/04

D3G/C, D4G/C, 935C/B, 931C/B, 931, 933C Classic Link Assemblies     UC04-20          09/04

   6.125? Pitch ? 9/16 Bolt (PELJ0410)

D6N/M CAT SystemOne Undercarriage (PELJ0358)                                 UC04-23          10/04

New Hybrid Track for Tractors, Loaders, Excavators, & Feller                  UC04-24          10/04

   Bunchers 8.00? (203.2 mm) Pitch (PELJ0428)

New Hybrid Track for Tractors, & Loaders 8.50? (215.9 mm) Pitch           UC04-25          11/04

   ? 7/8 Bolts (PELJ0429)

New Hybrid Track for Tractors, Loaders, & Skidders 7.50?                        UC04-27          11/04

   (190.0 mm) Pitch (PELJ0435)

D10R/N, D10 Post Turn Track Seals Available (PELJ0443)                      UC04-28          11/04

D9R/N, D9L New and Improved Master Links (PELJ0480)                        UC05-03          01/05

New D11R/N Track Thrust Rings Available (PELJ0498)                            UC05-06          02/05

New Hybrid Track for Tractors, Loaders, & Excavators 8.50?                    UC05-09          04/05

   (215.9 mm) Pitch ? ? Bolts (PELJ0519)

D7R, D6R, 973C, 963C, 572R, 527 Track Roller Group                            UC05-11          06/05

   Improvements (PELJ0540)

D5N/M CAT SystemOne Undercarriage (PELJ0359)                                 UC05-13          06/05

IRM Subject                                                                                              IRM No.            Date

TRACK TYPE LOADERS

New Rubber Grouser Track Shoes for 953/953B Track Loaders               UC94-7            05/94

939 and 933 Track Loader Undercarriage Introduction                               UC94-14          07/94

New Double Grouser Shoes Available for 931, 933 and 935 TTL               UC96-6            02/96

953C Segments and Hardware                                                                   UC98-3            02/98

953C Idler Group Improvements                                                                 UC99-20          12/99

D3C/D4C/931C/933/935C New Carrier Roller Shell                                   UC00-2            03/00

Track Seal Sets for all Models                                                                     UC00-9            06/00

Improved 953C Sprocket Segment and Hardware (PELM0993)                UC01-02          02/01

Improved 953B/D5B Sprocket Segment (PELM1003)                                UC01-07          04/01

953B/D5B ?Tough Steel? Sprocket Segment (PELM1030)                         UC01-15          09/01

New 953C Tough Steel Sprocket Segments Provides Improved               UC02-14          11/02

  Bolt Retention (PELM1097)

New Link Assembly & Tough Steel Segments for D5G/C TTT, 939C        UC03-09          07-03

  TTL  (PELJ0221)

963C/B Tough Steel Segments (PELJ0237)                                              UC03-11          09/03

953C Tier II with Repitch Track & Tough Steel Segments (PELJ0296)     UC04-04          02/04

New 973C/963C Tier II Undercarriage (PELJ0414)                                    UC04-21          09/04

New Hybrid Track for Tractors, Loaders, Excavators, & Feller                  UC04-24          10/04

   Bunchers 8.00? (203.2 mm) Pitch (PELJ0428)

New Hybrid Track for Tractors, & Loaders 8.50? (215.9 mm) Pitch           UC04-25          11/04

   ? 7/8 Bolts (PELJ0429)

New Hybrid Track for Tractors, Loaders, & Skidders 7.50?                        UC04-27          11/04

   (190.0 mm) Pitch (PELJ0435)

New Hybrid Track for Tractors, Loaders, & Excavators 8.50?                    UC05-09          04/05

   (215.9 mm) Pitch ? ? Bolts (PELJ0519)

D7R, D6R, 973C, 963C, 572R, 527 Track Roller Group                            UC05-11          06/05

   Improvements (PELJ0540)

963C/B, 963 CAT^?  SystemOne^TM Undercarriage(PELJ0363)                  UC05-14          06/05

953C CAT^?  SystemOne^TM Undercarriage(PELJ0364)                              UC05-15          06/05

953C, 953B CAT^?  SystemOne^TM Undercarriage(PELJ0584)                   UC05-17          10/05

HYDRAULIC EXCAVATORS/FRONT SHOVELS

New Single Web Cast Idler for 245 HEX                                                     UC94-6            03/94

322 Excavator Undercarriage Introduction                                                  UC94-9            06/94

Tri-Link Track Option for FB227 Machines                                                  UC94-13          07/94

5130 Hydraulic Shovel Undercarriage                                                         UC95-1            01/95

315/317 Excavator Undercarriage Introduction                                           UC95-4            01/95

315/317 Excavator Undercarriage Introduction Addendum                         UC95-4A         02/95

307 Excavator Undercarriage Introduction                                                  UC95-7            03/95

5230 Hydraulic Shovel/Mass Excavation Undercarriage                             UC95-10          05/95

Revised 350 Excavator Track Roller wear Chart                                        UC96-10          05/96

Revised 320/322 Excavator Track Bushing Wear Chart                            UC96-11          05/96

Heavy Duty Triple Grouser Track Shoes Now Available for 330, 325,        UC96-21          07/96

322 and 320 Hydraulic Excavators

IRM Subject                                                                                                IRM No.          Date

HYDRAULIC EXCAVATORS/FRONT SHOVELS

Replacement Sprocket Rim Option for 225B Hydraulic Excavators -        UC96-24          10/96

   7.50" (190.5mm)

New Pin & Bushing GPs, Available for 320, 325, & 330 Hydraulic              UC97-3            02/97

   Excavators

5230 Custom Track Service                                                                        UC97-8            06/97

Double Grouser Shoe Wear Chart for 322, 320, 317, 315, E240C,           UC98-2            01/98

   E240B, and E200B Hydraulic Excavators

Revised 5130 Excavator Double Grouser Track Shoe Wear Charts         UC98-5            02/98

311B/330B Series Excavator Introduction                                                   UC98-7            05/98

345B Series Excavators Introduction                                                          UC98-9            07/98

345B Series Excavators Introduction - Addendum-Idler Wear Chart         UC98-9A         09/98

   Correction

5230 Undercarriage Management Guidelines                                             UC98-21          12/98

Introducing the 307B Series Excavator Undercarriage (See Specific        UC99-6            04/99

 Serial Numbers)

365L Series Excavator Introduction                                                             UC99-16          10/99

Introducing the 307B Series Excavator Undercarriage (See Specific        UC99-17          11/99

   Serial Numbers)

5130B/5230 Track Roller Improvements                                                     UC99-18          11/99

Updated 300 Series Excavator Track Roller Groups                                  UC99-19          12/99

Introducing the 320C Series Excavator Undercarriage                               UC00-15          12/00

Introducing the 320C series Excavators Undercarriage (Addendum)        UC00-15A       03/01

   (PELM0996)

New Track Shoes Available for 5230 (7LL) Excavator (PELM0995)           UC01-03          02/01

Grease Lubricated Link Assemblies for Hydraulic Excavators                   UC01-04          03/01

   (PELM1000)

Excavator Track Roller Improvements (PELM1007)                                   UC01-08          04/01

New 5130B Excavator Track Shoes and Wear Chart (PELM1015)           UC01-12          05/01

Made To Order (MTO) Track Group Program (NACD Only) (PELM1018) UC01-13          07/01

Undercarriage for New 5110B Excavator (PELM1039)                               UC01-16          10/01

325B/330B Excavator Grease Lubricated Link Assemblies (PELM1048)  UC01-20          12/01

Undercarriage for New 385B and 5090B Excavators (PELM1067)            UC02-05          04/02

Heavy Duty Track Roller Improvements for 320C, 322C, 325C                 UC02-06          05/02

   (PELM1068)

Sealed Pin & Bushing Groups for 375/315 Hydraulic Excavators              UC02-09          07/02

   (PELM1074)

325CL/320CL Heavy Duty Link Assemblies (PELJ0143)                           UC03-03          04/03

345B Excavator Grease Lubricated Link Assemblies (PELJ0192)             UC03-07          06/03

Caterpillar Introduces New Product Support Strategy for Mini                    UC04-14          06/04

   Hydraulic Excavator Rubber Belts (PELJ0366)

Grease Lubricated Pin & Bushing Groups for 330-315 Hydraulic               UC04-16          08/04

   Excavators (PELJ0390)

New Hybrid Track for Tractors, Loaders, Excavators, & Feller                  UC04-24          10/04

   Bunchers 8.00? (203.2 mm) Pitch (PELJ0428)

345B Excavator Positive Pin Retention Grease Lubricated                        UC04-26          11/04

   Link Assembly (PELJ0433)

IRM Subject                                                                                                IRM No.          Date

HYDRAULIC EXCAVATORS/FRONT SHOVELS

Mini Hydraulic Excavator Belts Competitive Cross Reference                   UC04-29          11/04

   Guide (PELJ0446)

New Hybrid Track for Tractors, Loaders, & Excavators 8.50?                    UC05-09          04/05

   (215.9 mm) Pitch ? ? Bolts (PELJ0519)

Timberking Track Feller Buncher Undercarriage (PELJ0523)                    UC05-10          04/05

345C, 365C, 385C Excavator Grease Lubricated Track                            UC05-12          06/05

   (GLT) (PELJ0541)

LINK ASSEMBLY

Tri-Link Track Option for FB227 Machines                                                  UC94-13          07/94

Caterpillar Heavy Duty Track for D5H Track Skidders                                UC94-17          09/94

Caterpillar Heavy Duty Track for D4H Track-Type Tractors                       UC94-18          09/94

Caterpillar Rotating Bushing Track for D6H TTTs                                      UC95-5            02/95

Rigid Seals for D6/963/955 Track                                                               UC95-8            04/95

Rigid Seals for D7/973/977 Track                                                               UC95-9            04/95

Caterpillar Rotating Bushing Track for D4H TTTs                                      UC95-11          05/95

Caterpillar Heavy Duty SALT Track for D7H TTTs                                      UC95-12          06/95

Caterpillar Heavy Duty SALT Track for D7H TTTs Addendum                   UC95-12A       06/95

Caterpillar Rotating Bushing Track for D5H TTTs                                      UC95-13          08/95

Caterpillar Rotating Bushing Track for D7H TTTs                                      UC95-15          11/95

Improved D11N Link Assembly                                                                   UC96-4            02/96

D8R, D8N, D8L and 578 Bushing and Pin Changes                                  UC96-25          10/96

New Pin & Bushing GPs, Available for 320, 325 & 330 Hydraulic Exc.      UC97-3            02/97

Heavy Duty Sealed & Lubricated Track for D6D/E Track-Type Tractors   UC97-6            04/97

D11R/N New and Improved Link Assembly                                                UC98-8            05/98

Rigid Seals for D4/943/941                                                                          UC98-11          09/98

Rigid Seals for D4C/D4B/D3C/D3B/D3/935C/933C/931C Track               UC98-12          09/98

Track Seal Sets for Models: D7G/973/D6D/963/D4E/943/D4C/D3C         UC98-18         11/98

   935/933

Introducing Rotating Bushing Track for D5C TTT/939 TTL                        UC98-19          11/98

Introducing Rotating Bushing Track for D5C TTT/939 TTL (Addendum)   UC98-19A       11/99

Rigid Seals for D5/953/951 Track                                                               UC99-3            03/99

D4, D5, D6 Size Track Pins with Small Diameter Fill Hole                         UC00-8            05/00

Track Seal Sets for all Models                                                                     UC00-9            06/00

D11R New and Improved Track Bushing and Link Assembly                    UC00-11          08/00

Grease Lubricated Link Assemblies for Hydraulic Excavators                   UC01-04          03/01

   (PELM1000)

D9R/N, D9L, 589 Improved Link Assemblies (PELM1040)                         UC01-17          11/01

D11R Improved Link Assembly and Track Bushing (PELM1041)              UC01-18          11/01

325B/330B Excavator Grease Lubricated Link Assemblies (PELM1048)  UC01-20          12/01

Sealed Pin & Bushing Groups for 375/315 Hydraulic Excavators              UC02-09          07/02

   (PELM1074)

D11R/N Caterpillar Sleeve Brg Track (SBT) Link Assembly                       UC02-15          12/02

   (PELM1098)

IRM Subject                                                                                                IRM No.          Date

LINK ASSEMBLY

325CL/320CL Heavy Duty Link Assemblies (PELJ0143)                           UC03-03          04/03

Updated Link Assembly Identification Code Markings (PELJ0151)             UC03-04          03/03

345B Excavator Grease Lubricated Link Assemblies (PELJ0192)             UC03-07          06/03

New Link Assembly & Tough Steel Segments for D5G/C TTT,                 UC03-09          07-03

  939C TTL  (PELJ0221)

New D11R/N Post Turn Track Seals (PELJ0242)                                      UC03-13          09/03

D10R/N Caterpillar^? Link Assembly with Improved Sealability                   UC03-14          10/03

   (NACD ONLY) (PELJ0243)

D11R/N Link Assembly & Roller Group for High Abrasion Applications     UC04-03          02/04

  (PELJ0295)

D10 (84W, 76X) New & Improved Link Assemblies (PELJ0307)               UC04-05          03/04

New & Improved D10R/N Link Assemblies (PELJ0308)                             UC04-06          03/04

D3G/C, D4G/C, 935C/B, 931C/B, 931, 933C Classic Link Assemblies     UC04-20          09/04

   6.125? Pitch ? 9/16 Bolt (PELJ0410)`

Sealed and Lubricated Track Link Assembly now Contain                         UC04-22          10/04

   Synthetic Oil (PELJ0418)

345B Excavator Positive Pin Retention Grease Lubricated                        UC04-26          11/04

   Link Assembly (PELJ0433)

D10R/N, D10 Post Turn Track Seals Available (PELJ0443)                      UC04-28          11/04

New Track Seals for Sealed and Lubricated Link Assemblies                   UC04-30          12/04

   now Available (PELJ0461)

345C, 365C, 385C Excavator Grease Lubricated Track                            UC05-12          06/05

   (GLT) (PELJ0541)

LINK

Improved Master links (Tooth Profiles)                                                        UC94-8            06/94

Revised D4H Sealed & Lubricated Track Link Wear Chart                        UC94-16          08/94

Updated D9/594 Track Link                                                                         UC94-23          11/94

D4H/D5M, D5H/D6M, D6H/D6R, D7H/D7R Heavy Duty Track Link           UC00-4            03/00

   Identification

D4H/D5M, D5H/D6M, D6H/D6R, D7H/D7R Improved Heavy Duty             UC00-4A         08/00

   Track Link

New D8L Split Master Links (PELM1085)                                                   UC02-12          10/02

D11R/N New and Improved Master Links (PELJ065)                                 UC03-05          04/03

D9R/N, D9L New and Improved Master Links (PELJ0480)                        UC05-03          01/05

SPROCKET

Common D5H Sprocket Segments                                                            UC94-5            02/94

Common D5H Sprocket Segments Addendum                                          UC94-5A         11/94

New D11N Sprocket Segments and Hardware                                           UC94-12          06/94

New D9L Sprocket Segments and Hardware                                             UC94-19          09/94

Common D6H Sprocket Segments                                                            UC94-20          09/94

New D8N Sprocket Segments                                                                    UC94-21          10/94

New D8L Sprocket Segments and Hardware                                             UC94-22          10/94

IRM Subject                                                                                                IRM No.          Date

SPROCKET 

New D10 Sprocket Segments and Hardware                                             UC95-2             01/95

Replacement Sprocket Rim Option for 225B Hydraulic Excavator -          UC96-24          10/96

   7.50" (190.5mm)

New Improved Sprocket Segment and Mounting Hardware D11R/N         UC97-9            10/97

953C Segment and Hardware                                                                     UC98-3            02/98

New Improved Sprocket Segment D8R/N, D7R/N                                      UC98-6            05/98

D11R/N Sprocket Segment and Hardware Changes                                 UC98-13          10/98

New Improved Sprocket Segment D6R/H                                                   UC98-24          12/98

D9L & D8L Five Tooth Sprocket Segment, Provides Increased Bolt         UC99-8            05/99

   Retention

D10R, D9R Improved Sprocket Segments                                                 UC99-11          09/99

D10 (84W, 76X) Five Tooth Sprocket Segment, Provides Increased Bolt UC00-5            05/00

   Retention

Improved 953C Sprocket Segment and Hardware (PELM0993)                UC01-02          02/01

Improved 953B/D5B Sprocket Segment (PELM1003)                                UC01-07          04/01

953B/D5B ?Tough Steel? Sprocket Segment (PELM1030)                         UC01-15          09/01

D10R?D6R Tough Steel Segments Available at Reduced Price               UC02-07          06/02

   (PELM1071)

New 953C Tough Steel Sprocket Segments Provides Improved Bolt        UC02-14          11/02

    Retention (PELM1097)

New Link Assembly & Tough Steel Segments for D5G/C TTT, 939C TTL UC03-09         07-03

  939C TTL (PELJ0221)

963C/B Tough Steel Segments (PELJ0237)                                              UC03-11          09/03

D11R/N Improved Sprocket Segments (PELJ0290)                                   UC04-02          01/04

953C Tier II with Repitch Track & Tough Steel Segments (PELJ0296)     UC04-04          02/04

New Sprocket Segments: for D9L Machines Converted to                        UC04-15          06/04

   D10N/R Undercarriage System (PELJ0368)

CARRIER ROLLER

D3C/D4C/931C/933/935C New Carrier Roller Shell                                   UC00-2            03/00

TRACK ROLLER

Updated Track Roller Groups for Oval Tractors and Loaders                    UC95-14          08/95

New Special Application Track Rollers and Idlers for Large                       UC96-3            02/96

   Elevated Track-Type Tractors

New Improved Track Roller Design for D6H and 963 Tractors and           UC96-7            03/96

   Loaders

New Improved Track Roller Design for D5H and 953 Tractors and           UC96-8            04/9

New Improved Track Roller Design for D4H, D5C TTT & 943, 939 TTL    UC96-14          05/96

New Improved Track Roller Design for D7H/R TTT & 973 TTL                  UC97-7            04/97

D11R New Roller and Idler Groups with Symmetric Duo-Cone Seals      UC98-16          11/98

D10R Roller Groups with Symmetrical Duo-Cone Seals                           UC99-9            08/99

D9R D8R Roller Groups with Symmetrical Duo-Cone Seals                     UC99-10          08/99

IRM Subject                                                                                                IRM No.          Date

TRACK ROLLER

5130B/5230 Track Roller Improvements                                                     UC99-18          11/99

Updated 300 Series Excavator Track Roller Groups                                  UC99-19          12/99

New D11R Track Roller Groups with Improved Retainer Bolt Retention    UC00-6            05/00

D5M LGP?S with Additional Track Roller                                                     UC00-7            05/00

Excavator Track Roller Improvements (PELM1007)                                   UC01-08          04/01

New D10R, D9R, D8R, & 583R Pipelayer Track Roller Groups with         UC01-09          04/01

   Improved Retainer Bolt Retention (PELM1008)

Heavy Duty Track Roller Improvements for 320C, 322C, 325C                 UC02-06          05/02

   (PELM1068)

D11R/N Link Assembly & Roller Group for High Abrasion Applications     UC04-03          02/04

  (PELJ0295)

D7R, D6R, 973C, 963C, 572R, 527 Track Roller Group                            UC05-11          06/05

   Improvements (PELJ0540)

TRACK SHOE

New Rubber Grouser Track Shoes for 953/953B Track Loaders               UC94-7            05/94

New Quad-Link Track Shoe Available for D5H Heavy Duty Track              UC96-2            02/96

New Double Grouser Shoes Available for 931, 933, 935 TTL                     UC96-6            02/96

Heavy Duty Triple Grouser Track Shoes Now Available for 330, 325,        UC96-21          07/96

   322 and 320 Hydraulic Excavators

D9N/D9R Super Extreme Service Track Shoes                                         UC96-23          10/96

Double Grouser Shoe Wear Chart for 322, 320, 317, 315, E240C,           UC98-2            01/98

    E240B, and E200B Hydraulic Excavators

D11R/N Track Shoe Rework                                                                       UC98-4            02/98

Revised 5130 Excavator Double Grouser Track Shoe Wear Charts         UC98-5            02/98

New Track Shoes Available for 5230 (7LL) Excavator (PELM0995)           UC01-03          02/01

D6 Elevated/Oval TTT and 527 Skidders, Redesigned Moderate              UC01-11          05/01

Service Track Shoe (Single Grouser) (PELM1011)

New 5130B Excavator Track Shoes and Wear Chart (PELM1015)           UC01-12          05/01

Made To Order (MTO) Track Group Program (NACD Only) (PELM1018) UC01-13          07/01

D4 Redesigned MS Track Shoe (Single Grouser) (PELM1055)                 UC02-02          01/02

D11R/N, D10R/N, D9R/N Track Shoes with Increased Wear Life             UC04-07          04/04

  (PELJ0309)

IDLER

New Idler Wear Chart for D6H Heavy Duty Track                                       UC94-4            02/94

New Single Web Cast Idler for 245 HEX                                                     UC94-6            03/94

D11R New Roller and Idler Groups with Symmetric Duo-Cone Seals       UC98-16          11/98

Introducing New D11R Idler Guards                                                            UC98-17          11/98

D10R, D9R, D8R New Idler Groups with Symmetric Duo-Cone Seals     UC99-5            04/99

Special Application Landfill Idler Groups for D10R, D9R, D8R, D7R,        UC99-13          09/99

   D6R Machine

IRM Subject                                                                                                IRM No.          Date

IDLER

D7R/572R Idler Groups with Symmetric Duo-Cone Seals and                  UC99-14          10/99

   Additional Wear Material

D6R/527 New Idler Groups with Symmetric Duo-Cone Seals                   UC99-15          10/99

953C Idler Group Improvements                                                                 UC99-20          12/99

D7R/D6R New Abutment Style Idler Mounting Caps                                  UC00-3            03/00

D6M/D5M/561H New Idler Groups with Symmetric Duo-Cone Seals        UC00-14          12/00

   and Improved Retainer Bolt Retention

New D11R Track Idler Group with Improved Retainer Bolt Retention        UC01-05          04/01

   (PELM1001)

D11R, D10R, D9R, D8R, Attachment Idler Guard Wear Packages           UC01-06          04/01

   Available (PELM1002)

New D7R Track Idler Groups with Improved Retainer Bolt Retention        UC02-03          02/02

   (PELM1056)

D6R/D6M/D5M Idler Groups with Increased Wear Material (PELM1079)   UC02-11          09/02

Idler Groups Available for Track Type Tractors & Excavators                    UC03-12          09/03

   (PELJ0239)

TTT & TTL Classic Idler Groups Available (PELJ0500)                              UC05-07          02/05

COMPETITION & UNDERCARRIAGE CONVERSION 

Undercarriage Conversion Program Relaunch                                           UC95-6            03/95

Undercarriage Conversion: JD750C to Caterpillar D5H Undercarriage -   UC96-22          08/96

   7.50" (190.5mm) Pitch

Comparing Cat & Berco Undercarriage Component Wear Charts            UC97-5            03/97

Caterpillar^? NEXUS^TM Undercarriage Parts (PELM1066)                          UC02-4            04/02

PAVING EQUIPMENT

AP-1055B Asphalt Paver with Mobil-Trac^TM System                                  UC97-4            02/97

MISCELLANEOUS

Caterpillar Undercarriage Components Dimension Guide                          UC96-12          05/96

Mobil-Trac System Undercarriage for Challengers 65-85                           UC96-15          06/96

Mobil-Trac System Undercarriage for Challengers 35-45-55                     UC96-16          06/96

Caterpillar Track Group List                                                                         UC96-30          12/96

Videos for Link Assembly Track Shop Servicing                                         UC98-14         10/98

New Undercarriage Parts Sales Kit (PSK) 3^rd Edition                                UC00-10          07/00

Wide Gauge Conversion Arrangement Now Available on Challenger        UC00-13          10/00

   Models 35/45/55

Made To Order (MTO) Track Group Program (NACD Only) (PELM1018) UC01-13          07/01

Caterpillar Classic Undercarriage Parts (NACD Only) (PELM1049)          UC01-21          12/01

Undercarriage Related IRM Listing (PELM1051)                                         UC02-01          01/02

Caterpillar Nexus Undercarriage Parts (PELM1066)                                  UC02-4            04/02

Updates/Additions to Caterpillar Classic Undercarriage Parts                   UC02-13          10/02

   (PELM1086)