COVER 3S4280 - Caterpillar

Table 1
Diameter of Connecting Rod Bearing Journals    
Original Size Journals    
63.47 to 63.49 mm (2.499 to 2.500 inch)    
Undersize Journals
0.25 mm (0.010 inch)    
63.216 to 63.236 mm (2.4888 to 2.4896 inch)    
Undersize Journals
0.51 mm (0.020 inch)    
62.962 to 62.982 mm (2.4788 to 2.4796 inch)    
Undersize Journals
0.76 mm (0.030 inch)    
62.708 to 62.728 mm (2.4688 to 2.4696 inch)    Maximum permissible wear of the connecting rod bearing journals ... 0.04 mm (0.0016 inch)Width of the connecting rod bearing journals ... 40.35 to 40.42 mm (1.589 to 1.591 inch)Maximum width of the connecting rod bearing journals (Undersize journals) ... 40.55 mm (1.596 inch)Radius of the fillet of the connecting rod bearing journals ... 3.68 to 3.96 mm (0.145 to 0.156 inch)Surface finish of connecting rod bearing journals ... Ra 0.4 microns