Improved Rocker Arm Assembly is Now Used on Certain C9.3 Machine Engines {1123}
- Articulated Truck
- 725C (S/N: T261-90105; LFB1-235; TFB1-836)
- 725C2 (S/N: 2T31-689; 2L61-155; TA71-90107)
- Cold Planer
- PM310 (S/N: KWA1-104; NMA1-107)
- PM312 (S/N: NJ91-113)
- PM313 (S/N: JH91-110)
- PM312 (S/N: NJ91-113)
- Excavator
- 336 (S/N: SP91-151; JHD1-253; YBN1-168; DKS1-198; GDY1-197)
- 336E (S/N: JEA1-190; RZA1-1060; KED1-375; YCE1-780; TEG1-245; BMH1-204; FJH1-1886; GTJ1-211; JRJ1-517; SSL1-183; YEP1-549; CMR1-440; HDW1-257; DPX1-114; BZY1-2855; GNY1-131; TMZ1-439)
- 336F (S/N: B391-90203; TZA1-20320; PWB1-1; RKB1-21406; RBC1-10008; YFD1-20030; TJE1-20026; DKF1-10002; WCF1-20008; KGH1-160; YBH1-20011; NAJ1-20018; ZBJ1-10006; LCL1-20009; NBL1-20014; PFL1-20005; SSN1-20205; LTP1-20060; KCS1-20257; NBS1-10008; KFT1-308; DSW1-20010; MTW1-178; DFY1-20052; LJY1-20100; WTZ1-250)
- 340F (S/N: RBD1-20058; XBD1-20009; YBF1-10008; SGH1-20023; EAR1-10005; WBX1-20008)
- 345 GC (S/N: KEF1-209)
- 336E (S/N: JEA1-190; RZA1-1060; KED1-375; YCE1-780; TEG1-245; BMH1-204; FJH1-1886; GTJ1-211; JRJ1-517; SSL1-183; YEP1-549; CMR1-440; HDW1-257; DPX1-114; BZY1-2855; GNY1-131; TMZ1-439)
- Forest Machine
- 568 (S/N: GF81-237; L681-307; BRB1-401; YJX1-150)
- Mobile Hydraulic Power Unit
- 336E MHPU (S/N: G421-1; PCE1-1; RBS1-172; DSZ1-203; T3Z1-256)
- 336FMHPU (S/N: B341-10004; B351-10003; WGF1-90203; KTM1-1)
- Motor Grader
- 12M Series 2 (S/N: F9B1-220; F9M1-481; R9P1-199; R9S1-360)
- 12M Series 3 (S/N: N9B1-775; N9F1-1095; N9P1-271; N9R1-345)
- 140 (S/N: N941-104; N951-156)
- 140M Series 2 (S/N: M9D1-1844; R9G1-372; M9J1-2399; R9M1-559)
- 140M Series 3 (S/N: N9D1-1304; N9G1-284; N9J1-970; N9M1-570)
- 160M Series 2 (S/N: M9E1-409; M9K1-425; R9L1-258; R9T1-349)
- 160M Series 3 (S/N: N9E1-1000; N9K1-1002; N9L1-195; N9T1-366)
- 12M Series 3 (S/N: N9B1-775; N9F1-1095; N9P1-271; N9R1-345)
- Pipelayer
- PL72 (S/N: P721-401; P731-415)
- Site Prep Tractor
- 2864C (S/N: SP41-118)
- 586C (S/N: SP51-124)
- Track-Type Loader
- 973K (S/N: MKL1-329)
- Track-Type Tractor
- D6 (S/N: GZ91-1; HNK1-1; KEW1-1; KTW1-1)
- D6 XE (S/N: ES91-1; LNC1-202; LRG1-1; HMH1-1; HZL1-1; HLY1-1)
- D6T (S/N: 2D21-110; CR31-129; 2B31-247; MB51-341; AK71-109; MH71-957; CG81-109; 7C91-141; SGA1-106; KSB1-2018; ZJB1-1715; JZC1-309; DTD1-1309; RAD1-1038; STE1-130; EJJ1-316; SLJ1-1291; GMK1-1667; RRK1-307; JML1-699; MEL1-243; JNM1-543; TSM1-418; WLM1-307; WRN1-583; K1R1-190; KMR1-639; PLR1-721; WES1-419; HYT1-405; SGT1-553; JRW1-78001; RCW1-1605; NDY1-493; TMY1-385; HTZ1-709; SGZ1-489)
- D7E (S/N: HKA1-537; TJA1-1273; SSH1-485; TAN1-1393; LTW1-701)
- D6 XE (S/N: ES91-1; LNC1-202; LRG1-1; HMH1-1; HZL1-1; HLY1-1)
- Wheel Loader
- 950L (S/N: LXX1-10537)
- 966K (S/N: PBG1-10001; TFS1-1450)
- 966K Series XE (S/N: NGX1-441)
- 966L (S/N: FSL1-10623; FRS1-1575)
- 966M (S/N: MD71-173; EJA1-2079; DYC1-1388; R8D1-1253; LMM1-10366; KJP1-2978; L8R1-10263; GMS1-217)
- 966M Series XE (S/N: FL21-1820; P6C1-1137; DZL1-269; B8P1-501; XCR1-1)
- 972K (S/N: PEM1-947; Z4W1-771)
- 972L (S/N: RFB1-1134; YJW1-10232)
- 972M (S/N: A781-212; L8E1-1229; LSJ1-1973; GGN1-10269; WGN1-182; A8P1-1807; JPR1-960; M8W1-10255)
- 972M Series XE (S/N: AN31-1; L9S1-378; M5S1-366; EDW1-904; R1Z1-279)
- 980M (S/N: N8T1-925)
- 966K (S/N: PBG1-10001; TFS1-1450)
- Wheel Tractor-Scraper
- 627H (S/N: DBW1-348)
Description Of Change: The improved rocker arm assembly is manufactured with new tolerances to provide greater durability.
Adaptable To: The following changes are adaptable to the products within the listed serial numbers, and are effective with all products after the listed serial numbers.
Note: If a rocker arm fails, replace all 12 rocker arms.
Show/hide table
| |
| Illustration 1 | g06366836 |
|
(1) White Marker Dot
(2) (3) | |
The improved rocker arm assemblies have been marked with a white marker dot, which is shown in Illustration 1.
Table 1 contains the part numbers for this change.
Show/hide table
| Part Number | Part Name | Quantity |
|---|---|---|
| Rocker Arm As | 6 | |
| Rocker Arm As | 6 |
Caterpillar Information System:
Long Wait Times for Transmission Parts Ordering for Articulated Trucks {3030, 7567} Long Wait Times for Transmission Parts Ordering for Articulated Trucks {3030, 7567}
The Front Suspension Mounting Group is Improved on Certain 793F Off-Highway Trucks {7200} The Front Suspension Mounting Group is Improved on Certain 793F Off-Highway Trucks {7200}
789D CMD Off-Highway Trucks (Command for Hauling) Power Train Electronic Control System Switches
D-Series and D2-Series Compact Track Loaders (CTL), Multi-Terrain Loaders (MTL), and Skid Steer Loaders (SSL) Operator Controls
797 Off-Highway Truck Engine Supplement Piston Motor (Fan Drive) - Remove and Install
A New Process Is Available to Request Service Animations for Certain Service Information Procedures {1000, 7000} A New Process Is Available to Request Service Animations for Certain Service Information Procedures {1000, 7000}
PM620, PM622, PM820 and PM822 and PM825 Cold Planer Machine Systems Access Door
New Counterbalance Valves are Now Used on Certain Cold Planers {7562} New Counterbalance Valves are Now Used on Certain Cold Planers {7562}
New Water Line Clamp is Now Available for Certain 797F Off-Highway Trucks {1380} New Water Line Clamp is Now Available for Certain 797F Off-Highway Trucks {1380}
Front Axle Mounting Pin Assembly Has Been Improved on Certain F2 Series Backhoe Loaders {3268} Front Axle Mounting Pin Assembly Has Been Improved on Certain F2 Series Backhoe Loaders {3268}
New Exhaust Line Heat Shields are Used on Certain 836K Landfill Compactors {1061, 1067} New Exhaust Line Heat Shields are Used on Certain 836K Landfill Compactors {1061, 1067}
Improved Routing for the Heater Hose Lines Group Is Now Used for Certain 745 Articulated Truck {1812, 7304} Improved Routing for the Heater Hose Lines Group Is Now Used for Certain 745 Articulated Truck {1812, 7304}
The Enclosure Group is Now Improved on Certain 794 AC Off-Highway Trucks {7513, 7554} The Enclosure Group is Now Improved on Certain 794 AC Off-Highway Trucks {7513, 7554}
Enclosure Group Gauges are Now Improved on Certain Off-Highway Trucks {7450, 7513, 7554} Enclosure Group Gauges are Now Improved on Certain Off-Highway Trucks {7450, 7513, 7554}
Hydraulic Cabinet Gauges May Leak on Certain 794 AC Off-Highway Trucks {7450, 7554} Hydraulic Cabinet Gauges May Leak on Certain 794 AC Off-Highway Trucks {7450, 7554}
An Improved Suspension Link Bearing is Now Used on Certain Off-Highway Trucks {7051, 7230} An Improved Suspension Link Bearing is Now Used on Certain Off-Highway Trucks {7051, 7230}
PM620, PM622, PM820 and PM822 and PM825 Cold Planer Machine Systems Fan Drive Motor
New Features of Advanced Display are Now Used on Certain Compact Track Loaders, Multi Terrain Loaders, and Skid Steer Loaders {7610, 7620} New Features of Advanced Display are Now Used on Certain Compact Track Loaders, Multi Terrain Loaders, and Skid Steer Loaders {7610, 7620}
New Routing Of The Cable Wiring Group Is Now Used On Certain Track Feller Bunchers {1408} New Routing Of The Cable Wiring Group Is Now Used On Certain Track Feller Bunchers {1408}
PM620, PM622, PM820 and PM822 and PM825 Cold Planer Machine Systems Hydraulic Cylinder
An Improved Winch Group is Now Used on Certain PL72 Pipelayers {5401} An Improved Winch Group is Now Used on Certain PL72 Pipelayers {5401}
Rework Procedure for Fender Covers and Mud Flaps on Certain 700 C-Series Articulated Trucks {4220, 7150, 7252} Rework Procedure for Fender Covers and Mud Flaps on Certain 700 C-Series Articulated Trucks {4220, 7150, 7252}
Cat® Compaction Control Setup and Configuration Procedure for Certain Asphalt and Soil Compactors {1408, 7490, 7494, 7610} Cat® Compaction Control Setup and Configuration Procedure for Certain Asphalt and Soil Compactors {1408, 7490, 7494, 7610}
Rework Procedure for Fender Covers and Mud Flaps Is Now Available on Certain 700 C-Series Articulated Trucks {7150, 7220, 7252} Rework Procedure for Fender Covers and Mud Flaps Is Now Available on Certain 700 C-Series Articulated Trucks {7150, 7220, 7252}