Sinotruk WD615 Series Diesel Engine
Factory direct wholesale on genuine Sinotruk WD615 engine assemblies. Precision-engineered heavy-duty diesel engine, OEM spec, for Howo dump trucks and tractor heads.
Minimum order quantity: 1 unit
- Overview
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Product Details
The Sinotruk WD615 series diesel engine is a mature inline 6-cylinder, water-cooled, turbocharged direct-injection diesel engine, widely recognized as a classic power unit for heavy-duty commercial vehicles and construction machinery.

Product Parameter Table
| Item | Technical Specification |
| Model | WD615.47 (371HP) / WD615.93 (336HP) / WD615.69 (290HP) |
| Engine Type | Inline 6-cylinder, 4-stroke, Water-cooled, Turbocharged Direct Injection |
| Bore × Stroke | 126 mm × 130 mm |
| Fuel System | Mechanical High Pressure Fuel Injection Pump (Inline Mechanical Pump) (Optional: Electronic Common Rail System) |
| Displacement | 9.726 L |
| Rated Power / Speed | 213kW(290HP) @2200rpm 247kW(336HP) @2200rpm 276kW(371HP) @2200rpm |
| Rotation Direction (Viewed from Flywheel End) | Clockwise |
| Lubrication Method | Pressure & Splash Compound Lubrication |
| Cooling Mode | Forced Water Cooling |
| Starting Mode | 24V Electric Starting |
| Applicable Fuel | Light Diesel Fuel |
| Application | SINOTRUK HOWO Heavy Truck, Dump Truck, Mixer Truck, Wheel Loader, Generator Set |
Confirm engine model and power rating with actual vehicle configuration before ordering.
Features of Sinotruk WD615 series diesel engine
Strong Low-End Torque: The 1,450 N·m peak torque at low RPM delivers powerful climbing and full-load acceleration, keeping trucks moving on steep grades and rough haul roads.
Durable Cast Iron Block & Liners: Precision-bored wet cylinder liners with hardened construction resist wear and thermal stress, maintaining compression and power output over hundreds of thousands of kilometers.
High-Pressure Fuel Injection: The mechanical high-pressure injection system ensures complete atomization and combustion — optimizing fuel efficiency and reducing exhaust smoke under full load.
100% Direct-Fit OEM Dimensions: Mounting points, flywheel interfaces and accessory drives align perfectly with original Sinotruk factory components — a direct drop-in replacement that saves mechanics valuable downtime during overhauls.
Fuel-Efficient & Low Maintenance: Proven low fuel consumption and simple, serviceable mechanical design reduce operating and maintenance costs for fleets across Africa and Southeast Asia.
Widely Proven Reliability: One of China's most widely used heavy-duty diesel engines, trusted in Howo dump trucks and tractor heads exported to 80+ countries.

Where the Sinotruk WD615 series diesel engine delivers value
1.Dump Trucks — Powers Howo 6x4 and 8x4 dump trucks in mining, quarry and earthwork sites, delivering the low-end torque needed for full-load starts on steep ramps.
2.Tractor Heads — Drives Howo tractor trucks for long-haul freight and container transport, with fuel-efficient cruise power for cross-border routes.
3.Cargo Trucks — Reliable power for Howo cargo trucks moving general freight, construction materials and agricultural goods over regional distances.
4.Special Vehicles — Powers mixers, tankers and other heavy-duty special vehicles requiring proven, serviceable diesel power.
5.Fleet Operations — With simple mechanical design and wide parts availability across Africa, the Middle East and Southeast Asia, the WD615 keeps fleet maintenance costs low and uptime high.

Packaging and Shipping
Each Sinotruk WD615 diesel engine is packaged with professional export protection — anti-rust oil coating, moisture-proof wrapping and reinforced crate for ocean freight. Small orders can be shipped via express delivery, and large orders can be shipped by sea. We provide safe and stable packaging for long-distance transportation.

About Us
Shandong Chengda Co., Ltd., established in 2005, specializes in manufacturing various types of trailers, such as container trailers, transport trailers, construction equipment, tractors, and trailer spare parts. Equipped with advanced automated equipment and excellent quality control, we have obtained government-authorized ISO, CCC, CE, and B&V certifications. We have our own factory and are a professional manufacturer with 200 employees and annual sales of 50 million RMB. Our products are popular in South Asia, the Middle East, Africa, and South America.


