Refer to Guideline For Reusable Parts And Salvage Operations, SEBF8009, “Main and Connecting Rod Bearings” and Guideline For Reusable Parts and Salvage Operations, SEBF8041, “Specifications for Crankshaft in Caterpillar Engines”.
| Main Bearing Journals | |
| Original Size Journal | 120.650 ± 0.020 mm (4.7500 ± 0.0008 inch) |
| Undersize Journal 0.63 mm (0.025 inch) |
120.015 ± 0.020 mm (4.7250 ± 0.0008 inch) |
| Undersize Journal 1.27 mm (0.050 inch) |
119.380 ± 0.020 mm (4.7000 ± 0.0008 inch) |
Main bearing cap with two bolts
- Clearance between new bearing and new journal … 0.076 to 0.186 mm (0.0030 to 0.0073 inch)
Main bearing cap with four bolts
- Clearance between new bearing and new journal … 0.071 to 0.178 mm (0.0028 to 0.0070 inch)
| Main Bearing Bore | |
| Original Size of the Bore In the Block | 129.891 ± 0.013 mm (5.1138 ± 0.0005 inch) |
| Oversize Bore 0.63 mm (0.025 inch) |
130.526 ± 0.013 mm (5.1388 ± 0.0005 inch) |