The engine of the Howo 371, manufactured by SINOTRUK (China National Heavy Duty Truck Group), is a powerful and reliable unit designed to meet the demands of heavy-duty applications. Here is a detailed breakdown of the engine specifications for the Howo 371:
Engine Model
The Howo 371 typically comes equipped with engine models such as WD615.62, WD615.87, WD615.69, WD615.47, or D12.42. These engines are known for their durability and performance in a variety of operating conditions.
Horsepower and Output
- Horsepower: The Howo 371 engine offers a horsepower rating of 371, making it suitable for a wide range of heavy-duty tasks.
- Maximum Output: The maximum output of the engine is typically around 273 kW (or 367 hp) at 2,200 rpm, ensuring efficient power delivery.
Engine Configuration
- Cylinder Configuration: The Howo 371 engine features a straight-six cylinder configuration, which contributes to its smooth and balanced power delivery.
- Cooling System: The engine is water-cooled, helping to maintain optimal operating temperatures and extend engine life.
- Fuel System: The engine employs a direct injection fuel system, which improves fuel efficiency and reduces emissions.
- Turbocharging and Intercooling: The engine is turbocharged and intercooled, providing increased power and efficiency while reducing heat stress on the engine components.
Emission Standards
The Howo 371 engine meets Euro 2 emission standards, which were in place during the time of its production. This ensures that the engine complies with environmental regulations and reduces its impact on the environment.
Optional Features
- Silicone Oil Fan: An optional silicone oil fan can be installed to improve engine cooling efficiency.
- Cold-Start Electric-Inlet Air Heating System: An optional cold-start system with an electric-inlet air heating system can be equipped to ensure reliable starting in cold weather conditions.
Transmission and Axles
- Transmission: The Howo 371 is typically equipped with a SINOTRUK HW15710 or HW19710 transmission, which offers 10 forward gears and 2 reverse gears for smooth and efficient gear shifting.
- Front Axle: The front axle options include the SINOTRUK HF7 or HF9, which are equipped with drum brakes and optionally disc brakes.
- Rear Axle: The rear axle options include the SINOTRUK ST16 double reduction drive axle, MCY13Q single reduction drive axle, or HC16 heavy reduction drive axle, which offer different speed ratios and are suitable for different operating conditions.
In summary, the engine of the Howo 371 is a robust and reliable unit that combines powerful performance with efficient fuel consumption and environmental compliance. Its straight-six cylinder configuration, water-cooled system, direct injection fuel system, and turbocharging and intercooling features contribute to its overall performance and durability.