2015/09/10 Caterpillar

OEM:

CAT WDS (S/N: M3J1-UP)

Off-Highway Trucks:

785B (S/N: 6HK1-UP)

785C (S/N: 1HW1-UP; APX1-UP; 5AZ1-UP)

785D (S/N: DMC1-UP; MSY1-UP)

789B (S/N: 7EK1-UP)

789C (S/N: 2BW1-UP)

789D (S/N: SPD1-UP; SHH1-UP)

793B (S/N: 1HL1-UP)

793C (S/N: CBR1-UP)

793D (S/N: FDB1-UP)

793F AC (S/N: EMD1-UP)

793F (S/N: SND1-UP; SSP1-UP; RBT1-UP)

795F AC (S/N: ERM1-UP)

797F (S/N: LAJ1-UP; WSP1-UP)

An improved 116-7153 Prelubrication Pump and Motor Gp, 190-6126 Electric Motor Gp, and 228-5112 Prelubrication Oil Pump Gp is now available for the machines listed above.

The motor in the prelubrication oil pump are updated with new internal bushings.

The new improvement will provide better component reliability and improved service life.

Illustration 1	g03882452
(A) Motor Serial Number for the Prelube Pump (B) Serial number is engraved on the Pump housing

The improved motor is effective with serial number 51071 and above. Refer to Illustration 1.