2001/04/23 Caterpillar

Off-Highway Truck/Tractor:

69D (S/N: 9XS1-UP)

73D (S/N: 9YS1-UP)

769D (S/N: 5SS1-UP; 5TR1-UP)

773D (S/N: 7CS1-UP; 7ER1-UP)

776D (S/N: AFS1-UP)

777D (S/N: AGC1-UP; AGY1-UP)

784C (S/N: 2PZ1-UP)

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

785C HAA (S/N: 5AZ1-UP)

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

793C (S/N: 4GZ1-UP; ATY1-UP)

Quarry Truck:

771D (S/N: 6JR1-UP; 6YS1-UP)

775D (S/N: 6KR1-UP; 8AS1-UP)

Certain parts of the 153-8338 Air Control Valve Gp and of the 143-8994 Air Control Valve Gp are now available. See Illustration 1 and Table 1 for the part numbers.

Illustration 1	g00758828
Typical 153-8338 Air Control Valve Gp and typical 143-8994 Air Control Valve Gp