Questions and Answers:
| Q: Are small impressions or dents OK on the crankshaft of Cummins B series engines and C series engines? | 9/25/2024 | | A: The Cummins Repair Manual says that the Small Impressions or dents are not acceptable onh Crankshaft journals. Small impressions can be removed with a fine grit hone. | |
Q: What is the Crankshaft Connecting Rod and Main Journal Specs for Cummins B series engines and C series engines? | 9/25/2024 | | A: The Cummins Repair Manual says that the crankshaft Rod Journal OD should be 75.962mm MIN and 76.013mm Max for C-Series and Main Bearing Journal should be 97.962mm MIN and 98.013mm MAX. 68.987mm MIN and 69.013mm MAX for Rod bearing journals and 82.987mm MIN and 83.013mm MAX for main bearing journals. | |
Q: What is the Crankshaft Gear Dowel Hole diameter spec for Cummins B series engines and C series engines? | 9/25/2024 | | A: The Cummins Repair Manual says that the crankshaft gear dowel hole should be 5.975mm MIN ID and 6.004mm MAX ID. There should be no less than .003mm interference fit between the dowel pin and the dowel hole. | |
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Feedback For This Item:
| Buyer: Peter R. from Monroe, NC USA | 12/12/2024 | | We just installed one of these crankshafts in a 4BT engine that spun a bearing. The crank was too far gone to fix, so a new one solved the problem and saved a lot of time. | |
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