Mercedes-Benz OM442 Forged Steel Crankshaft Overview
The Mercedes-Benz OM442 crankshaft is a precision-engineered component designed for heavy-duty diesel engines. Manufactured from forged steel for exceptional strength and durability, it ensures reliable performance in commercial vehicles and industrial applications
Key Features & Technical Specifications
Design & Material
- Material: Forged steel (enhanced grain structure for fatigue resistance)
- Production Process: Hot forging with CNC machining for precision
- Counterweights: 8-balance design for reduced vibration
- Main Bearings: 7-support system for stability under high torque
Performance Parameters
| Parameter | Specification |
|---|---|
| Bore x Stroke | 128 mm x 142 mm |
| Displacement | 14.6L / 15.1L (varies by turbocharger) |
| Compression Ratio | 16:1 or 17:1 |
| Redline RPM | 2300 |
| Power Output | 260–435 HP |
| Torque Output | 900–1800 Nm |
| Key Features | Helical gear on No.4 counterweight (drives camshaft/oil pump), vibration damper keyway |
Compatible Mercedes-Benz Models (1976–1996)
Commercial Vehicles & Buses
- Trucks: NG (1973–1988), SK (1988–1998)12
- Buses: O302 (1974–1992), O303 (1974–1992), O305 (1973–1987), O307 (1976–1987), O405 (1984–2001)1
Other Related Models
We supply crankshafts for a wide range of Mercedes-Benz engines. Bulk discounts available for distributors:
| Model | Engine | Compatible Series |
|---|---|---|
| OM355A | 11.6L Turbo Diesel | NG, SK, O302/O303, O305/O307 |
| OM366 | 5.9L Diesel | NG, SK, LK/LN2/T2 |
| OM457 | 11.9–12L Turbo Diesel | Actros (1996–present)2 |
| OM904 | 4.3L Turbo Diesel | Atego (1998–present) |
| Custom | Per drawing/samples | Request bespoke solutions |
Why Choose Our OM442 Crankshafts?
Quality Assurance
- OEM Standards: Matches original Mercedes-Benz tolerances (ISO 9001-certified production)
- Durability: Forged steel construction tested for 500,000+ km service life
Bulk Order Benefits
- Wholesale Pricing: Discounts for orders ≥10 units
- Global Shipping: DDP incoterms available
