GEAR 2459446 - Caterpillar

Table 1
Engines with Serrated Connecting Rods or Flat Connecting Rods    
Sales Model     Serial number    
3054     S/N:6FK1-10030    
3054     S/N:4ZK1-09049    
3054     S/N:5YS1-13498    
3054     S/N:2PW1-00501    
3054B     S/N:5MF1-10039    Note: Do not stamp the new connecting rod.The caps are installed on the connecting rods from the factory. The assembly maintains the proper fit of the cap. The bolts for the connecting rods are tightened to a torque of 20 N m (15 lb ft). This torque is only for storage of the connecting rods. Only remove the cap and bolts when you are ready to install the connecting rod.Note: The caps and the rods must stay together as a pair.Tighten the new bolts for the connecting rod to a torque of 70 N m (52 lb ft). Tighten the bolts for an additional 120 degrees.Note: Do not reuse the connecting rod bolts. New connecting rod bolts should be used.
Table 2
Part Number for New Connecting rods    
Grade Letter     Color Code     Part Number     Part Name    
F     Red     225-5459     Connecting Rod    
G     Orange     225-5458     Connecting Rod    
H     White     225-5454     Connecting Rod    
J     Green     225-5453     Connecting Rod    
K     Purple     225-5451     Connecting Rod    
L     Blue     225-5441     Connecting Rod    
F     Brown     240-9954     Connecting Rod    Note: Use the same grade letter and the same color code that was in the engine.
Table 3
Part Number For Bearings    
    Part Number     Part Name    
4 Cylinder Engines     225-7781     Rod Bearing Set    
6 Cylinder Engines     236-4397     Rod Bearing Set    Installing the Bearings for the Hydraulically Fractured Connecting Rods
Note: The bearings and the hydraulically fractured connecting rods do not have a tag or a recess.
Illustration 1 g01001160
Aligning the connecting rod bearing in the center of the connecting rod
Install the upper half of the connecting rod bearing to the connecting rod. Ensure that the connecting rod bearing is centralized in the connecting rod. Refer to Illustration 1.
Install the lower half of connecting rod bearing to connecting rod cap. Ensure that the connecting rod bearing is centralized in the connecting rod cap. Refer to Illustration 1.