An Improved Fuel Injector is Now Used on Certain C9.3 Machine Engines {1251, 1254, 1290, 1713}
- Articulated Truck
- 725 (S/N: 3T91-114)
- 725C (S/N: T261-90105; TFB1-836)
- 725C2 (S/N: 2T31-867; TA71-90107)
- 725C (S/N: T261-90105; TFB1-836)
- Cold Planer
- PM310 (S/N: KWA1-107; NMA1-118)
- PM312 (S/N: NJ91-145)
- PM313 (S/N: DK91-108; JH91-120)
- PM312 (S/N: NJ91-145)
- Excavator
- 336 (S/N: JWG1-10103)
- 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; RKB1-21407; RBC1-10008; YFD1-20030; TJE1-20031; DKF1-10002; WCF1-20010; 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: RBD1-20068; XBD1-20020; YBF1-10008; SGH1-20030; EAR1-10005; WBX1-20013)
- 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: GF81-241; L681-334; 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: N9B1-885; N9F1-1253; N9P1-278; N9R1-354)
- 140 (S/N: N941-141; N951-177)
- 140M Series 2 (S/N: M9D1-1844; R9G1-372; M9J1-2399; R9M1-559)
- 140M Series 3 (S/N: N9D1-1542; N9G1-295; N9J1-1130; N9M1-575)
- 160M Series 2 (S/N: M9E1-409; M9K1-425; R9L1-258; R9T1-349)
- 160M Series 3 (S/N: N9E1-1031; N9K1-1070; N9L1-196; N9T1-379)
- 12M Series 3 (S/N: N9B1-885; N9F1-1253; N9P1-278; N9R1-354)
- Pipelayer
- PL72 (S/N: P721-424; P731-415)
- Site Prep Tractor
- 2864C (S/N: SP41-118)
- 586C (S/N: SP51-124)
- Track-Type Loader
- 973K (S/N: MKL1-354)
- Track-Type Tractor
- D6 (S/N: GZ91-1; HNK1-1; KEW1-1; KTW1-1)
- D6 XE (S/N: ES91-301; LNC1-302; LRG1-301; HMH1-304; HZL1-302; D5M1-1; HLY1-1)
- D6T (S/N: 2D21-112; CR31-129; 2B31-335; MB51-395; AK71-110; MH71-1074; CG81-109; 7C91-191; SGA1-106; KSB1-2018; ZJB1-1715; JZC1-309; DTD1-1309; RAD1-1038; STE1-130; EJJ1-316; SLJ1-1291; GMK1-1667; RRK1-307; JML1-723; MEL1-243; JNM1-637; TSM1-418; WLM1-307; WRN1-583; K1R1-297; KMR1-639; PLR1-721; WES1-419; HYT1-449; SGT1-553; JRW1-78001; RCW1-1605; NDY1-546; TMY1-385; HTZ1-709; SGZ1-676)
- D7E (S/N: HKA1-539; TJA1-1273; SSH1-512; TAN1-1393; LTW1-701)
- D6 XE (S/N: ES91-301; LNC1-302; LRG1-301; HMH1-304; HZL1-302; D5M1-1; HLY1-1)
- Wheel Loader
- 950L (S/N: LXX1-10572)
- 966K (S/N: PBG1-10001; TFS1-1450)
- 966K Series XE (S/N: NGX1-441)
- 966L (S/N: FSL1-20244; FRS1-1916)
- 966M (S/N: MD71-421; EJA1-3123; DYC1-1388; R8D1-1254; LMM1-20105; KJP1-2978; L8R1-20203; GMS1-582)
- 966M Series XE (S/N: FL21-1820; P6C1-1137; DZL1-529; B8P1-501; XCR1-262)
- 972K (S/N: PEM1-947; Z4W1-771)
- 972L (S/N: RFB1-1411; YJW1-10242)
- 972M (S/N: A781-347; L8E1-1229; LSJ1-2535; GGN1-20104; WGN1-418; A8P1-1807; JPR1-960; M8W1-20203)
- 972M Series XE (S/N: AN31-351; L9S1-715; M5S1-366; EDW1-904; R1Z1-524)
- 980M (S/N: N8T1-925)
- 966K (S/N: PBG1-10001; TFS1-1450)
- Wheel Tractor-Scraper
- 627H (S/N: DBW1-348)
- 627K (S/N: WTC1-380)
- 637K (S/N: WTS1-144; WTT1-104)
- 627K (S/N: WTC1-380)
Description Of Change: The injector solenoids have an improved silver coating to prevent electrical connection issues.
Adaptable To:
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Do not operate or work on this product unless you have read and understood the instruction and warnings in the relevant Operation and Maintenance Manuals and relevant service literature. Failure to follow the instructions or heed the warnings could result in injury or death. Proper care is your responsibility. |
The improvement has been made to the 456-3493 Fuel Injector Gp, 456-3509 Fuel Injector Gp, and 460-8213 Fuel Injector Gp.
This change is effective for the engine serial numbers listed in Table 1.
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Part Number | Effective Serial Number |
---|---|
S/N:MYE13870-UP | |
S/N:SYE33275-UP | |
S/N:WYE2009-UP |
Caterpillar Information System:
New Hard Washers are Used for the Mounting Hardware on the Oil Scavenge Pump for Certain C175 Off-Highway Truck Engines {1312} New Hard Washers are Used for the Mounting Hardware on the Oil Scavenge Pump for Certain C175 Off-Highway Truck Engines {1312}
An Improved Cooling System Venting Procedure is Now Available in the Operation and Maintenance Manual for Certain C175 Off-Highway Truck Engines {0374, 1350} An Improved Cooling System Venting Procedure is Now Available in the Operation and Maintenance Manual for Certain C175 Off-Highway Truck Engines {0374, 1350}
Premature Nose-Cone and King-Pin Wear May Occur on Certain 794, 796, and 798 Off-Highway Trucks {3260, 4314} Premature Nose-Cone and King-Pin Wear May Occur on Certain 794, 796, and 798 Off-Highway Trucks {3260, 4314}
Diesel Exhaust Fluid (DEF) Pump on Certain C4.4 Engines {108U, 1439} Diesel Exhaust Fluid (DEF) Pump on Certain C4.4 Engines {108U, 1439}
EMCP 4.4 1G1U (Single Generator, Single Utility) Checklist {7002} EMCP 4.4 1G1U (Single Generator, Single Utility) Checklist {7002}
340 Excavator Mirror
Installation Procedure for 2nd Auxiliary Lines Kit on Certain Mini Hydraulic Excavators {5057} Installation Procedure for 2nd Auxiliary Lines Kit on Certain Mini Hydraulic Excavators {5057}
Inspection of the Rear of the Engine on Certain C4.4 Machines {1201} Inspection of the Rear of the Engine on Certain C4.4 Machines {1201}
Certain Cat® Product Link A6 Platform Network Managers May Stop Reporting and Loses Communication {7606} Certain Cat® Product Link A6 Platform Network Managers May Stop Reporting and Loses Communication {7606}
The 521-5433 Fuel Pump Gp May Fail on Certain 3500 Industrial Engines {1256} The 521-5433 Fuel Pump Gp May Fail on Certain 3500 Industrial Engines {1256}
Improved Assembly Process for the Pin in the Windshield Group Is Now Available for Certain Excavators {7310} Improved Assembly Process for the Pin in the Windshield Group Is Now Available for Certain Excavators {7310}
Improved Attachment Valve (F2) Is Now Used on Certain 320, 320 GC and 323 Excavators {5051} Improved Attachment Valve (F2) Is Now Used on Certain 320, 320 GC and 323 Excavators {5051}
New Engine Software Is Now Used for Certain C175 Locomotive Engines {1920} New Engine Software Is Now Used for Certain C175 Locomotive Engines {1920}
Identifying Oil Leaks on Certain 3500 Mining Machine Engines {1151, 1348} Identifying Oil Leaks on Certain 3500 Mining Machine Engines {1151, 1348}
New Tooling and Installation Process for Crankshaft Seal on C27 and C32 Engines {0701, 1160, 1161} New Tooling and Installation Process for Crankshaft Seal on C27 and C32 Engines {0701, 1160, 1161}
Improved Auxiliary Sea Water Pump Group is Now Used on Certain C12 Marine Engines {1371} Improved Auxiliary Sea Water Pump Group is Now Used on Certain C12 Marine Engines {1371}
New Shipping Procedure Is Now Used for Stick Cylinder Pinned in Shipping Position on Certain 308 and 309 Mini Hydraulic Excavators {0355} New Shipping Procedure Is Now Used for Stick Cylinder Pinned in Shipping Position on Certain 308 and 309 Mini Hydraulic Excavators {0355}
New Solenoid Assembly is Now Used on Fuel Injectors for Certain C9.3 Industrial Engines {1251, 1290} New Solenoid Assembly is Now Used on Fuel Injectors for Certain C9.3 Industrial Engines {1251, 1290}
New Engine Software for Certain C7.1 Engines {1920} New Engine Software for Certain C7.1 Engines {1920}
New Engine Harness Assembly is Now Available For Certain Excavators and Mobile Hydraulic Power Units {1408} New Engine Harness Assembly is Now Available For Certain Excavators and Mobile Hydraulic Power Units {1408}
The Fuel Vent Tube May Crack on Certain C175–16 Marine Engine {1274} The Fuel Vent Tube May Crack on Certain C175–16 Marine Engine {1274}
G3500 Generator Sets Starting Motor - Inspect
Certain Excavators Have Been Equipped With Serial Number Plate With Mistyped Information {7405, 7557, 7563} Certain Excavators Have Been Equipped With Serial Number Plate With Mistyped Information {7405, 7557, 7563}
G3500 Generator Sets Before Starting Engine