PIN AS 5I3294 - Caterpillar

Electric Power GenerationC175-16 GEN SET (S/N: WYB1-2107)EngineC175-16 (S/N: 3A91-136; M6A1-1022; Y3A1-137; M6B1-1010; WYC1-2012; P6L1-1121; P5P1-1003; KWT1-134)C175-20 (S/N: BXR1-1965)Description Of Change: The new intake valve has an improved interference angle with the valve seat in the cylinder head. The new intake valve seal allows improved oil flow to the valve.Adaptable To:
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 following changes are adaptable to the products within the listed serial numbers, and are effective with all products after the listed serial numbers.The new 517-4408 Cylinder Head Gp replaces the former 328-7083 Cylinder Head Gp.The new 517-4412 Cylinder Head Gp replaces the former 418-8014 Cylinder Head Gp.It is best to use the new cylinder heads with the improved drilled rocker stand. Refer Special Instruction, M0082927 for additional information.