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Genuine Caterpillar 317-8766 Crankshaft Main Bearing Set. Factory quality assurance, serial-number fitment verification, and fast export dispatch.
Verified Prior to Quotation. Fitment and configuration are cross-checked against your equipment serial number.
Technical Overview
Genuine standard-size (STD) crankshaft main bearing shell set Caterpillar 317-8766. Engineered for low friction, high embeddability, and superior fatigue resistance under heavy torque loads.
Supply Assurance
We verify fitment by engine nameplate and serial number, with pre-shipment photos of original packaging.
Direct dispatch from our Chongqing hub for industrial fleets, power plants, and service centers.
Unit price, completeness, export crating, and lead time are confirmed before invoicing.
Technical Data
Reference parameters for engineering selection; exact arrangement details are confirmed prior to shipment. Manufacturer names and part numbers are used for identification reference only.
| Part Number | 317-8766 |
|---|---|
| Cross-Reference / Alternate Numbers | 3178766, CA3178766 |
| Brand | CAT (Caterpillar) |
| Category | Crankshaft & Connecting Rod & Bearing |
| Part Name | Caterpillar Crankshaft Main Bearing Set |
| Dimensions | 125 × 40 × 3.5 mm |
| Unit Weight | 0.32 kg |
| Material / Construction | Tri-Metal bearing alloy (steel back, leaded bronze intermediate layer, babbitt overlay) |
| Bearing Size | Standard (STD) |
| Crankshaft Journal OD | 120.65 mm |
| Installation Position | Cylinder Block Main Bearing Bore |
| Compatible Models | CAT C15, CAT C16, CAT C18, CAT 3406E, CAT 345C, CAT 349D, CAT D8T, C32 |
| Application / Fitment | For CAT C32 C27 C18 3456 3412 3406 C-15 C-16 3406E 3406B 3406C 3408E 3408B 3408C C32B 3412E 3412C C15 Engine |
Engineering Advantage
Fitment is verified against your engine model and serial number (S/N) via CAT SIS and Perkins SPI part number lookup before quotation.
Direct supersession and cross-reference lookup: send your old or alternate part number and we will confirm the latest replacement.
100% genuine original factory components in original packaging, verified by pre-shipment warehouse photos and videos.
Part numbers, laser markings, original packaging, and completeness are inspected at our warehouse prior to dispatch.
Reliable stock availability in Chongqing with fixed lead times and export-grade protective packaging.
Fitment & Cross-Reference
Logistics & Packaging
Quantity, export packaging, gross weight, and dispatch lead time are confirmed in your formal quotation.
Before You Order
Provide your engine model, engine serial number (S/N), and part number. Before issuing a formal quotation, our engineers cross-check fitment against Caterpillar SIS, Perkins SPI, or FG Wilson part number cross-reference systems.
Yes. MSDD Engine exclusively supplies 100% genuine original parts in factory-sealed packaging. Before shipment, we provide warehouse photos of original packaging, part markings, and security labels.
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