PLATE 3099445 - Caterpillar

Illustration 1 g02727433
Chamfer at the piston pin end of the drilled oil passage in the connecting rodThe drilled oil passage also has a chamfer at the main bearing end of the connecting rod.The new 381-6555 Rod As is adaptable to 3500B and 3500C High Displacement Engines back to first production.The new 381-6555 Rod As is effective with the serial numbers that are listed in Table 1.The old connecting rod and the new connecting rod can be mixed in the same engine.
Table 1
Part Numbers for the Connecting Rod    
Old Part Numbers     New Part Numbers     Description    
160-5910     253-3066     Piston and Rod Gp    
230-2516     381-6555     Rod As    
107-7330     230-2520     Connecting Rod Bearing    
Table 2
Engine Serial Number    
S/N:3TN00991    
S/N:6EF00377    
S/N:8NZ00127    
S/N:8WM02913    
S/N:B7F00474