2014/05/19 Caterpillar

Motor Grader:

14M (S/N: B9J1-UP; R9J1-UP)

Description of Change: The final drive housings and thrust washers have been improved on the machines listed above. The new final drive group has redesigned housings and other new components. The new design of thrust washer has a larger contact surface with the other parts. The larger contact surface will increase the service life of washer.

Adaptable To: There are two options available for the adaptable to machines listed in Table 3.

The first option is to replace the thrust washers listed in Table 1. The new thrust washers are made of a stronger material that will increase the service life.

The second option is to replace the final drive housings and other components listed in Table 2.

The effective with machines listed in Table 3 are manufactured with the new final drive housings and thrust washers listed in Table 2.

Note: The final drive housings listed in Table 2 are not compatible with the thrust washers listed in Table 1.

Note: The former part number has not been discontinued and can still be used if current life is acceptable.

Illustration 1	g03674539

Illustration 2	g03674523
270-9037 Rear Axle Gp