New Rocker Arms Are Used on Certain C27 and C32 Engines {1123}
- Electric Power Generation
- C27 PET GEN SET (S/N: EGG1-103; R8W1-118)
- Generator Set
- C27 GEN SET (S/N: 2A31-571; DWB1-3545; N1B1-371; GDS1-1066; T4Z1-483)
- C32 (S/N: BT41-320)
- C32 GEN SET (S/N: GM21-138; JK41-118; AL61-251; JSJ1-2241; FLX1-686; JAZ1-4190)
- C32 (S/N: BT41-320)
- Industrial Engine
- C27 (S/N: AT41-527)
- C27 INDUSTRIAL (S/N: JFJ1-152; RAM1-314; TWM1-81013)
- Locomotive Engine
- C27 LOCO (S/N: WJC1-257)
- Marine Engine
- C32 MARINE (S/N: AX21-199; ZP21-554; AX31-101; ZP31-187; MX41-104; RPM1-1084; PWT1-108; RNY1-281,81001-81004)
- C32 MARINE GS (S/N: GM31-100; MG41-100)
- Petroleum Engine
- C27 PETROLEUM (S/N: NAR1-166)
- C32 PETROLEUM (S/N: B2C1-354)
- Petroleum Power Train Package
- C27 KNOCKDOWN K (S/N: 1271-109)
- C32 KNOCKDOWN K (S/N: 1321-27)
- CX35-P800-C27I (S/N: PCY1-UP)
- TH48-E70-C27I (S/N: PKZ1-155)
- C32 KNOCKDOWN K (S/N: 1321-27)
- Power Module
- C32 POWER MODUL (S/N: MED1-196; KNM1-299)
- Track-Type Tractor
- SALES1A (S/N: NEW1-167)
Description Of Change: New rocker arm design change has an improved tilt capability of the rocker arm by pin or roller.
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.
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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. |
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| New Part Number | Part Description | Former Part Number |
|---|---|---|
| Rocker Arm As |
Caterpillar Information System:
140 Motor Grader Power Train Transmission Oil Filter Base - Remove and Install
New Monitor Software Is Now Used for Certain 140 Motor Graders {7610, 7620} New Monitor Software Is Now Used for Certain 140 Motor Graders {7610, 7620}
336, 336 GC and 340 Excavator Systems Drain Line
Door Lock Assemblies May Fail on Certain 320 to 345 GC Excavators {7273} Door Lock Assemblies May Fail on Certain 320 to 345 GC Excavators {7273}
Procedure to be Performed on C175 Commercial Engines {1239} Procedure to be Performed on C175 Commercial Engines {1239}
140 Motor Grader Power Train Wheel and Tire (Front) - Remove and Install
3500 Engines Air Regulator - Assemble
140 Motor Grader Power Train Gear Group (All Wheel Drive) - Remove and Install
3500 Engines Air Regulator - Disassemble
Certain C2.2 Generator Sets May Fail Due to Disc Coupling Breakage {4450, 4456} Certain C2.2 Generator Sets May Fail Due to Disc Coupling Breakage {4450, 4456}
Fuel Pump Bottom End Failures on Certain 3512E Tier 4 Final Engines {125H} Fuel Pump Bottom End Failures on Certain 3512E Tier 4 Final Engines {125H}
Bent Pins in Engine Customer Interface May Cause Open and Short Circuits on Certain Cat® Engines {1901, 7553} Bent Pins in Engine Customer Interface May Cause Open and Short Circuits on Certain Cat® Engines {1901, 7553}
A Planetary Group Lock Ring May Loosen on Certain 797, 797B, and 797F Off-Highway Trucks {3030, 3160} A Planetary Group Lock Ring May Loosen on Certain 797, 797B, and 797F Off-Highway Trucks {3030, 3160}
797F and 797F XQ Off-Highway Trucks Cable (Truck Body Retaining)
An Improved Pump Drive is Now Used on Certain 794 AC, 795 AC, and 797F Off-Highway Trucks {3108} An Improved Pump Drive is Now Used on Certain 794 AC, 795 AC, and 797F Off-Highway Trucks {3108}
140 Motor Grader Power Train Wheel Spindle and Wheel Spindle Housing - Remove and Install
Incompatible Coolant Pressure Sensor Identified on Certain 3512E and 3516E Engines {191W} Incompatible Coolant Pressure Sensor Identified on Certain 3512E and 3516E Engines {191W}
The Hoist Cylinder Head is Improved on Certain 797 Off-Highway Trucks {5102} The Hoist Cylinder Head is Improved on Certain 797 Off-Highway Trucks {5102}
New Enclosure Parts Are Now Available for 336, 336GC, and 345GC NGH Excavators {7251, 7276} New Enclosure Parts Are Now Available for 336, 336GC, and 345GC NGH Excavators {7251, 7276}
Operator Seat Belt Not Retracting {7327} Operator Seat Belt Not Retracting {7327}
The Main Hydraulic Pump May Leak Oil From Shaft On Certain 301.7 CR, 301.8, and 302 CR Mini Hydraulic Excavators {5070} The Main Hydraulic Pump May Leak Oil From Shaft On Certain 301.7 CR, 301.8, and 302 CR Mini Hydraulic Excavators {5070}
Procedure to Install Auxiliary Lines on Certain Mini Hydraulic Excavators {5051, 5063, 5462} Procedure to Install Auxiliary Lines on Certain Mini Hydraulic Excavators {5051, 5063, 5462}
Head Gasket May Fail On Certain Cat® Products {1100} Head Gasket May Fail On Certain Cat® Products {1100}
320 GC, 320 and 323 Excavator Machine Systems Specifications Fuel Lines