Global automotive components manufacturer and distributor specializing in diesel engines, transmissions, axles, and spare parts, with operations spanning over 90 countries.
612630020038 Crankshaft Suitable for Weichai WP12 Diesel Engine
612630020038 crankshaft is designed for Weichai WP12 diesel engines, widely used in heavy-duty trucks, construction machinery, and industrial equipment. Manufactured from high-strength material and precision-machined, it ensures stable performance under high-load conditions.
Product Details


| Item | Details |
|---|---|
| Part Number | 612630020038 |
| Engine Model | WP12 |
| Product Name | Crankshaft |
| Material | Ductile Iron / Forged Steel (Optional) |
| Hardness | HRC 50–55 |
| Weight | Approx. 70–80 kg |
| Processing | Heat Treatment + Precision Grinding |
| Condition | Brand New Aftermarket |
| Quality Level | OEM Standard Replacement |
Application
This crankshaft is suitable for:
- Heavy-duty trucks (Shacman, HOWO, etc.)
- Construction machinery (loaders, rollers)
- Power generator sets
- Mining equipment
- Agricultural machinery
Designed for high-load, long-hour working environments.
Core Features
OEM-Level Precision
Manufactured according to the original crankshaft structure to ensure perfect fitment and stable operation.
High Strength Material
Made from ductile iron or forged steel to withstand extreme pressure and torque.
Excellent Wear Resistance
Surface-hardened and finely ground journals reduce friction and extend service life.
Dynamic Balance Tested
Each crankshaft is tested to minimize vibration and improve engine efficiency.
Fitment Notice
Crankshaft must be matched according to:
- Engine model (WP12)
- Engine serial number
- OEM part number
No VIN / Serial confirmation, no shipment recommended.
Different versions may have differences in:
- Stroke
- Counterweight design
- Journal size
Installation Recommendations
- Replace the main bearings and connecting rod bearings
- Install with new oil seals
- Ensure proper lubrication before startup
- Perform professional installation and torque calibration
Quality Control
- 100% dimensional inspection
- Crack detection before shipment
- Dynamic balance verification
- Surface hardness testing
Packaging & Supply
- Export standard wooden case
- Anti-rust protection applied
- Bulk order and pallet shipment available
Why Choose Volgen Power
- Focus on heavy-duty diesel engine parts
- Stable supply for WP12 / Cummins / Volvo platforms
- OEM-standard aftermarket solutions
- Fast response for global B2B customers
RFQ
Looking for a reliable WP12 crankshaft supplier?
Send your inquiry with:
- Engine model
- Part number
- Quantity
We will provide:
- Accurate matching
- Competitive quotation
- Fast delivery solution
Contact Information
Website: www.volgenpower.com
Email: [email protected]
24/7 Support: +86 18827435225
Send A Message
Meet us at the exhibition
bauma SHANGHAI 2026, November 24 -27
Booth No. N6.628








