The Differential and Bevel Gear Group are Improved on Certain 797 Off-Highway Trucks {3256, 3258, 3281} Caterpillar


The Differential and Bevel Gear Group are Improved on Certain 797 Off-Highway Trucks {3256, 3258, 3281}

Usage:

797 5YW
Off-Highway Truck/Tractor
797 (S/N: 5YW1-277)
797B (S/N: JSM1-488)
797F (S/N: LAJ1-658; WSP1-129; LTZ1-141)

Description Of Change: The differential and bevel gear group are improved on the machines listed above. The differential and Bevel Gear Group are updated with a single piece shim which improves lubrication flow to the pinion bearings by eliminating lubrication leak.

Adaptable To:

Table 1
Required Part List 
Item  Qty  Part Name  Part Number  Former Part Number 
549-8441  Shim Pack  156-2898 


Illustration 1g06359894
Typical View of Differential and Bevel Gear Gp
(1) 549-8441 Shim Pack

Note: New shim pack (1) replaces the former 156-2898 Shim Pack in Differential and Bevel Gear Gp

The new shim pack is adaptable to the machines within the serial numbers, and is effective in production with all the machines after the listed serial number.

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