SHAFT ASSEM. 4S8534 - Caterpillar

Electric Power GenerationC13GENSET (S/N: T321-166; CE31-120; NH31-1235; DH41-2113; NH41-222; NR51-103; GB71-321; X3M1-572)XQ375 (S/N: X3F1-146)Engine3176B (S/N: 3LZ1-900)C-9 (S/N: CLJ1-80001)C13 (S/N: KCB1-94220; KJE1-247; EMF1-101; KWJ1-4616; JAM1-1480; PRM1-441; EMS1-1153)C9 (S/N: XP71-106; LFE1-4045; CKP1-1343; X3R1-1414; C9Y1-5155; P7Z1-195)Generator SetC9 GEN SET (S/N: NB31-120; LN91-892; LX91-973; C9E1-3082; NBP1-912; NTX1-220)C9 MARINE GEN (S/N: SJB1-2055)C9 MARINE GS (S/N: C9A1-81001)XQP300 (S/N: XPL1-127)Industrial EngineC13 IND (S/N: JR91-491)C13 INDUSTRIAL (S/N: SK21-106; RRA1-81001; LGK1-81008)C9 INDUSTRIAL (S/N: PM91-110; JSC1-81005; MBD1-81001; REH1-9707; JLW1-3709)C9.3 (S/N: C931-237; CA91-169; CP91-161; C9N1-1544; D9N1-5576)C9.3B (S/N: NGH1-118)Marine EngineC9 MARINE (S/N: X9Y1-5182)Petroleum EngineC13 PETROLEUM (S/N: A5Z1-512)C9 PETROLEUM (S/N: P9L1-632; KLW1-207; P9W1-246; KLX1-210)Petroleum Power Train PackageCX31-P600-C13I (S/N: PDJ1-157; PDN1-166)CX31-P600-C9I (S/N: PDZ1-158)TH31-C9I (S/N: PAZ1-247)Track-Type TractorD7R Series II (S/N: KNA1-1743; DJT1-126)Truck Engines3126E (S/N: 9SZ1-78001)Wheel Loader966H (S/N: FMW1-577)Description Of Change: Improved crankshafts are now used on certain Cat® Engines that are listed above. The new crankshafts provide improved surface finish for the rear sealing surface on the hub.Adaptable To: The improved crankshafts are adaptable to the Engines within the listed serial numbers, and are effective with all Engines after the listed serial numbers. The part number remains the same.Note: Examine the crankshaft surface for wear and tear. If required, refer to the respective Reuse and Salvage Guidelines of the Engine for guidance on usage of wear sleeve.