ARMATURE A 0021852 - Caterpillar

Illustration 1 g01434716
(1) Former sun gear assembly
Illustration 2 g01434727
(2) New sun gear assembly
Table 1
Part Numbers for the Sun Gear Assembly    
Model     Former Sun Gear Assembly     New Sun Gear Assembly    
D6N XL     193-0736     305-2418    
D6N LGP     193-0736     305-2418    
D6N XL DS     193-0736     305-2418    Reworking the Carrier
In order for the new sun gear assembly to be used with the former carrier, the former carrier must be relieved in the proper location.
Illustration 3 g01434777
Former carrier
Illustration 4 g01434791
New carrier
Table 2
Part Numbers for the Carrier    
Model     Former Carrier     New Carrier    
D6N XL     191-0939     305-2419    
D6N LGP     191-0939     305-2419    
D6N XL DS     191-0939     305-2419    
Table 3
Dimensions for the Former Carrier     Dimensions for the New Carrier    
Callout     Dimension     Callout     Dimension    
A    
108.00 0.25 mm (4.252 0.010 inch)     F    
108.00 0.25 mm (4.252 0.010 inch)    
B    
75.00 0.25 mm (2.953 0.010 inch)     G    
74.2 0.5 mm (2.92 0.02 inch)    
C    
78.00 0.25 mm (3.071 0.010 inch)     H    
86.9 0.5 mm (3.42 0.02 inch)    
D    
0.80 0.20 mm (0.032 0.008 inch)     I    
0.80 0.20 mm (0.032 0.008 inch)    
E     30 degrees     J     35 1 degree    
        K    
5.0 0.5 mm (0.20 0.02 inch)