2014/03/31 Caterpillar

Excavator:

345D (S/N: DPA1-UP; BYC1-UP; HLC1-UP; RGD1-UP; RAE1-UP; YEE1-UP; NEG1-UP; RGG1-UP; EEH1-UP; KFH1-UP; RAJ1-UP; MLK1-UP; NLM1-UP; JKN1-UP; FES1-UP; PBT1-UP; BYW1-UP; LKY1-UP)

349D (S/N: JGB1-UP; WTD1-UP; GKF1-UP; NNF1-UP; PZG1-UP; KLH1-UP; RBJ1-UP; MEN1-UP; KHS1-UP)

349E (S/N: FJB1-UP; DGE1-UP; SPG1-UP; TFG1-UP; RGH1-UP; KCN1-UP; MZW1-UP; KFX1-UP; MPZ1-UP; WHZ1-UP)

Mobile Hydraulic Power Unit:

345D MHPU (S/N: P5D1-UP; L5R1-UP)

349D MHPU (S/N: DKN1-UP; MCX1-UP)

349E MHPU (S/N: S3P1-UP)

Description of Change: A new rear engine crankshaft seal is used to help prevent against oil transfer into the engine.

Adaptable To: The new 444-2269 Seal replaces the existing crankshaft seal on the serial numbers listed above. The new seal is adaptable back to first production on the serial numbers listed above. The effectivity for this change is listed in the table that follows.