FIXTURE G. 9S6363 - Caterpillar

Modification Procedure for 990K Wheel Loaders and 844K Wheel Dozers
Perform this modification procedure when replacing the original engine with one of the engines listed in Table 1.
Table 1
Sales Model Engine Part Number
990K/844K 388-0685 Complete Engine Ar
380-2453 Engine Ar
388-0686 Complete Engine Ar
388-0684 Complete Engine Ar
388-0688 Complete Engine Ar
388-0689 Complete Engine Ar
388-0687 Complete Engine Ar
383-6810 Complete Engine Ar
Table 2
Part List
Item Qty Part Number
1 1 6V-8946 Reducer
2 1 228-7092 O-Ring Seal
Illustration 1 g06221104
(1) 6V-8946 Reducer
(2) 228-7092 O-Ring Seal
(A) 500-4480 Tube As
(B) 415-5634 Hose As
Install reducer (1) between tube assembly (A) and hose assembly (B), seal reducer with O-Ring seal (2).
Illustration 2 g06221106
(C) 326-4515 Cable Tie
(D) 200-6345 Mount
Remove two cable ties (C) and one mount (D).Modification Procedure 992K Wheel Loaders and 854K Wheel Dozers
Perform this modification procedure when replacing the original engine with one of the engines listed in Table 3.
Table 3
Sales Model Engine Part Number
992K/854K 331-8966 Complete Engine Ar
383-6810 Complete Engine Ar
334-8179 Complete Engine Ar
334-8178 Complete Engine Ar
340-2665 Complete Engine Ar
333-1169 Engine Ar
335-7369 Complete Engine Ar
340-2666 Engine Ar
Illustration 3 g06221109
(A) 500-4480 Tube As
(B) 203-6688 Connector
(C) 228-7092 O-Ring Seal
(D) 228-7093 O-Ring Seal
(E) 312-1104 Hose and Tube As
Illustration 4 g06221111
(B) 203-6688 Connector
Remove connector (B), O-Ring seal (C), and O-Ring seal (D) between tube assembly (A) and hose assembly (E).