2008/08/11 Caterpillar

Motor Grader:

24M (S/N: B9K1-UP)

Cold Planer:

PM-200 (S/N: P1C1-UP)

PM-201 (S/N: PNM1-UP)

PM200 (S/N: P1M1-UP)

Landfill Compactor:

836H (S/N: BXD1-UP)

Excavator:

385C (S/N: EDA1-UP; MMA1-UP; KGB1-UP; KBC1-UP; SBE1-UP; T2E1-UP; T2F1-UP; KKK1-UP; EAM1-UP; JCM1-UP; WAW1-UP; MNZ1-UP)

Mobile Hydraulic Power Unit:

385C MHPU (S/N: MSF1-UP)

Off-Highway Truck/Tractor:

772 (S/N: RLB1-UP)

Track-Type Tractor:

D9T (S/N: RJS1-UP)

Underground Articulated Truck:

AD45B (S/N: CXM1-UP)

AD55 (S/N: DNW1-UP)

Wheel Dozer:

834H (S/N: BTX1-UP)

Wheel Loader:

988H (S/N: BXY1-UP)

Wheel Tractor-Scraper:

631G (S/N: DFA1-UP)

637G (S/N: DFJ1-UP)

657G (S/N: W1B1-UP; W1C1-UP)

Description of Change: Several improvements have been made to the profiles of the cylinder liner on the C18 engines in order to increase durability. Also, the two bottom cylinder liner seals are now the same part number.

Adaptable To: The new 322-1126 Cylinder Liner and the 155-2793 Liner Seal are adaptable to the serial numbers that are listed above.

Illustration 1	g01622070
(1) Location of the two 155-2793 Liner Seals