BEARING ENGINE CONNECTING ROD 040 (SET OF 6)
Crankshaft main bearings 0.040" undersize
Set of 6 pieces (3 pairs)
Precision crankshaft main bearings in oversized specification 0.040" (1.016 mm) for reconditioned engines where the crankshaft journals have been ground. Set contains 6 bearing shells for 3 main bearing saddles — applicable to various WWII military 4x4 and 6x6 vehicles.
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Specification 040" undersize (oversized bearing shell) |
Type Crankshaft main bearing |
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Contents Set of 6 pieces (3 pairs upper/lower) |
Application Engine overhaul after crankshaft grinding |
Features
- 040" (1.016 mm) undersize for ground crankshaft journals
- Set of 6 bearing shells for 3 main bearing saddles
- For engine overhaul and engine rebuild projects
- Precision dimension for correct bearing clearance
- Applicable to various WWII 4x4 and 6x6 military vehicles
★ Crankshaft main bearings in 0.040" undersized specification — essential component for professional engine overhauls where the crankshaft has been ground.
Application
This bearing set is used during engine overhauls where the crankshaft journals have been ground 0.040" (1.016 mm) undersize. The bearing shells are oversized (thicker) to compensate for the reduced journal diameter and ensure correct bearing clearance. Applicable to various WWII military 4-cylinder and 6-cylinder engines in 4x4 and 6x6 vehicles — always verify the exact crankshaft dimension after grinding.
Installation notes
Note: crankshaft journals must be ground exactly 0.040" (1.016 mm) undersize. Bearing shells must be fitted in clean, dry bearing saddles — no grease or oil behind the bearing shell. Bearing caps are numbered and must be fitted in their original position. Lubricate bearing surfaces liberally with assembly lube before installation. Check bearing clearance with Plastigauge. Tightening torque according to specifications — bolts must be dry and clean for correct torque.
Compatibility
This bearing set is only suitable for crankshafts ground 0.040" (1.016 mm) undersize by an engine reconditioner. NOT compatible with standard crankshaft or other oversizes (.010",.020",.030"). Always check the grinding tag on the crankshaft — this indicates exactly which bearing size is required. Incorrect bearing size results in insufficient or excessive clearance and immediate engine damage.
Historical context
Oversized crankshaft main bearings were standard supply for field overhauls and depot-level maintenance during WWII and Korea. The 0.040" undersize was the most common refurbishment size after normal wear of crankshaft journals.
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This part is intended for the restoration of historic military vehicles. Fitting, aligning, deburring or reworking is part of that work and is inherent to the nature of these goods. Dimensional variation also exists between original vehicles.
Installation requires technical knowledge of the vehicle. Unsure whether this part suits your version? Ask us before purchase at info@willys.be.
This part fits:
| Model | Years |
|---|---|
| Dodge | |
| Dodge WC51 (early) | 1942 |
| Dodge WC51 weapons carrier | 1942, 1943, 1944, 1945 |
| Dodge WC52 weapons carrier (winch) | 1942, 1943, 1944, 1945 |
| Dodge WC53 carryall | 1942, 1943, 1944 |
| Dodge WC54 ambulance | 1942, 1943, 1944 |
| Dodge WC55 gun motor carriage | 1942, 1943 |
| Dodge WC56 command car | 1942, 1943, 1944, 1945 |
| Dodge WC57 command car (winch) | 1942, 1943, 1944, 1945 |
| Dodge WC58 radio command car | 1942, 1943, 1944, 1945 |
| Dodge WC63 6x6 (winch) | 1943, 1944, 1945 |
| Dodge WC64 KD ambulance | 1945 |
📐 Diagrams & technical drawings
From the original Technical Manual TM 9-808 — Technical Manual — only for Dodge ¾-ton 4×4 (WC series)
