EPC Parts Catalogs

3512 and 3516 EUI Engines and 784B, 785B, 789B and 793B Off-Highway Truck/Tractors Connecting Rod and Main Bearing Journals Caterpillar


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Connecting Rod and Main Bearing Journals
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3512 and 3516 EUI Engines and 784B, 785B, 789B and 793B Off-Highway Truck/Tractors [SENR5595]
3512 and 3516 EUI Engines and 784B, 785B, 789B and 793B Off-Highway Truck/Tractors Accessory Drive (Upper Right Hand)

Refer to Guidelines For Reusable Parts, SEBF8009, "Main Bearings And Connecting Rod Bearings" for more information.

Connecting Rod Bearing Journals

Show/hide table
Table 1
Diameter Of Crankshaft Journal (Bearing Surface) For Connecting Rod Bearings 
Original Size Journal  135.000 ± 0.025 mm (5.3150 ± 0.0010 inch) 
Undersize Journal
0.63 mm (0.025 inch) 		 134.370 ± 0.025 mm (5.2902 ± 0.0010 inch) 
Undersize Journal
1.27 mm (0.050 inch) 		 133.730 ± 0.025 mm (5.2650 ± 0.0010 inch) 

Clearance between bearing and new journal ... 0.107 to 0.218 mm (0.0042 to 0.0086 inch)

Main Bearing Journals

Show/hide table
Table 2
Diameter Of Crankshaft Journal (Bearing Surface) For Main Bearings 
Original Size Journal  160.000 ± 0.025 mm (6.2992 ± 0.0010 inch) 
Undersize Journal
0.63 mm (0.025 inch) 		 159.370 ± 0.025 mm (6.2744 ± 0.0010 inch) 
Undersize Journal
1.27 mm (0.050 inch) 		 158.730 ± 0.025 mm (6.2492 ± 0.0010 inch) 

Clearance between bearing and new journal ... 0.122 to 0.241 mm (0.0048 to 0.0095 inch)

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