2007/12/31 Caterpillar

Landfill Compactor:

836H (S/N: BXD1-UP)

Wheel Dozer:

834H (S/N: BTX1-UP)

854G (S/N: A4W1-UP)

Wheel Loader:

988H (S/N: BXY1-UP)

992G (S/N: AZX1-UP)

994F (S/N: 4421-UP)

990H (S/N: BWX1-UP)

Service Magazine SEPD0921, 31 December 2007, "New Power Train Software is Now Available {7620}". Disregard this article. Refer to the article that follows.

The new software in Table1 is available for the direct replacement of the former software on the models that are listed. The new software prevents a false diagnostic (CID 603) for the impeller clutch pressure sensor. The new software is available in the form of a flash file through Caterpillar Service Information System (SIS).

Table 1

New Software
Model	New Part Number
988H	300-3649
834H	300-3611
836H	300-3634
992G	311-0050
854G	311-0101
994F	311-7619
990H	294-9091