2009/10/29 Caterpillar

Engine:

3406 (S/N: 92U1-UP)

3406B (S/N: 7FB1-UP; 8TC1-UP; 4MG1-UP; 5YG1-UP; 3ZJ1-UP; 5KJ1-UP; 2EK1-UP; 4CK1-UP)

3406C (S/N: 4MG1-UP; 3ZJ1-UP; 5KJ1-UP; 4CK1-UP)

3406E (S/N: 5EK1-UP; 1MM1-UP; 2WS1-UP; 4AS1-UP; 5DS1-UP; 6TS1-UP; 1LW1-UP)

C-15 (S/N: EGH1-UP; MBN1-UP; 6NZ1-UP; 9NZ1-UP)

C-16 (S/N: 7CZ1-UP)

C-18 (S/N: MDP1-UP)

C15 (S/N: SDP1-UP; BXS1-UP; MXS1-UP)

Truck Engines:

3406C TRUCK (S/N: 8PN1-UP)

When the crankshaft needs repair for the above listed engines, refer to Special Instruction, REHS1653. This procedure was developed in order to provide a higher quality and a lower repair cost for crankshafts. Caterpillar recommends reading and understanding this procedure completely before attempting any of the repairs that are described.

Table 1 shows a list of part numbers that may be used in the above listed engines.