Inspection of the Rear of the Engine on Certain C4.4 Machine Engines {1201} Caterpillar

Asphalt Compactor

CB64B (S/N: 4771-UP)

CB66B (S/N: 4751-UP)

CB68B (S/N: 4961-UP)

Asphalt Paver

AP500F (S/N: 5031-UP; AF51-UP)

AP555F (S/N: 5F51-UP; RBM1-UP)

Excavator

318D2 (S/N: AB71-UP; HBP1-UP; M8P1-UP)

320 GC (S/N: DKJ1-UP; ZBT1-UP)

320D2 (S/N: EG11-UP; PFE1-UP; NBH1-UP; ZBH1-UP; YBJ1-UP)

Paving Compactor

CB10 (S/N: MS21-UP)

CB7 (S/N: AT51-UP)

Pneumatic Compactor

CW12 (S/N: RHJ1-UP)

CW16 (S/N: N6J1-UP)

CW34 (S/N: B7L1-UP)

Track-Type Tractor

D3K2 (S/N: FT31-UP; LT31-UP)

D4K2 (S/N: MT31-UP; RT31-UP)

D5K2 (S/N: WT31-UP; YT31-UP)

Vibratory Asphalt Compactor

CB13 (S/N: LP91-UP)

CB15 (S/N: NPB1-UP)

Vibratory Soil Compactor

CP44B (S/N: GTT1-UP)

CP54B (S/N: PM51-UP)

CS44B (S/N: RGE1-UP)

CS54B (S/N: G541-UP; 5M41-UP)

CS64B (S/N: TF61-UP)

Wheeled Excavator

M315D2 (S/N: CA41-UP)

M317D2 (S/N: CA61-UP)

M320D2 (S/N: CH91-UP)

There have been instances of external oil leaks from the rear of certain C4.4 engines. Oil can be seen around the rear underside of the engine around the flywheel housing.

Show/hide table

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.

If a leak is suspected from the 232-7449 Housing As, identify the source of the leak. Refer to Special Instruction, M0105583, "Inspection of the Rear of the Engine on Certain C4.4 Machines" to identify the source of the leak.