ver the years, HOWO trucks have become leaders in the global commercial vehicle market. They excel in demanding environments like construction sites, mining operations, and long-distance freight transport. This article explores the engines powering these trucks, known for their stability and strong performance. We’ll cover everything from basic engine introductions to specifications, performance evaluations, and practical applications.
What Type of Engine Does a HOWO Truck Use?
The engine is the heart of any truck, and HOWO models are no exception. Sinotruk, the manufacturer, offers a variety of engines to meet different needs. These range from entry-level options to advanced models, catering to industries like construction and long-haul freight.
WD615 Series
The WD615 series features a 6-cylinder inline diesel engine with a displacement of 9.726 liters. It delivers 260-375 horsepower (194-280 kW) and torque between 950-1400 N·m. This engine is highly regarded in China’s freight industry for its simple design and reliable performance. It requires minimal maintenance, even in remote areas. The WD615 series is commonly used in standard HOWO models, offering a balance between power and fuel efficiency.
Specifications:
- Displacement: 9.726 liters
- Power Output: 260-375 horsepower (194-280 kW)
- Torque: 950-1400 N·m
- Cylinder Configuration: 6-cylinder inline diesel
WD618 and MC Series
For high-end HOWO trucks, Sinotruk provides advanced engine options like the WD618 and MC series. The WD618 features a larger 6-cylinder structure with a displacement of 12.06 liters. It produces 380-480 horsepower (283-358 kW) and a maximum torque of 1800 N·m. Meanwhile, the MC series, developed in collaboration with German engineers, focuses on high efficiency and low emissions.
WD618 Specifications:
- Displacement: 12.06 liters
- Power Output: 380-480 horsepower (283-358 kW)
- Torque: Up to 1800 N·m
MC Series Specifications:
- MC11: 11 liters, 430-550 horsepower (321-410 kW), torque up to 2500 N·m
- MC13: 13 liters, 500-680 horsepower (373-507 kW), torque up to 3200 N·m
Technical Specifications of HOWO Truck Engines
Understanding HOWO truck engine specifications is essential for fleet managers and operators. These details provide insights into performance, efficiency, and reliability. Beyond power and torque, design features like turbocharging also play a key role.
HOWO 371 Engine
The HOWO 371 engine (model WD615.47 EURO-II) uses a 6-cylinder inline layout with a displacement of 9.726 liters. It generates 272 kW (371 hp) at 2200 rpm and delivers 1500 N·m of torque between 1100-1600 rpm. Turbocharging and intercooling enhance its efficiency and performance. With a minimum fuel consumption rate of ≤193 g/kW.h, it’s ideal for heavy-duty operations.
This engine is part of the WD615 series and features water cooling, four-stroke operation, turbocharging, and direct injection. It’s tailored for various truck configurations to suit specific tasks.
HOWO 420 Engine
The HOWO 420 engine (model D12.42-20 EURO-II) has a larger displacement of 11.596 liters and a 6-cylinder inline design. It produces 309 kW (420 hp) at 2000 rpm and a peak torque of 1820 N·m between 1100-1400 rpm. Its upgraded specifications make it suitable for heavier loads and tougher environments.
When comparing the HOWO 371 and 420 engines, the 371 is better for general heavy loads, while the 420 excels in extreme conditions. Both engines share features like water cooling, turbocharging, and direct injection, with variations to match specific uses.
Transmission and Support Systems
The integration of transmission and auxiliary systems is key to HOWO trucks’ performance. These systems work together to maximize engine potential, enabling the trucks to handle challenging tasks with ease.
HW19710 Transmission
The HW19710 transmission is a vital component in the HOWO 371 and 420 models. This advanced gearbox has 10 forward gears and 2 reverse gears, ensuring efficient power transfer under heavy loads. It provides smooth shifting, even during long-distance operations, improving overall efficiency.
Transmission Features and Benefits:
- 10 Forward Gears: Efficient power transfer for heavy-duty tasks
- 2 Reverse Gears: Improved maneuverability in tough conditions
Clutch, Axle, and Brake System Integration
HOWO trucks also feature a dual-plate diaphragm spring clutch, known for its stability and ability to handle high torque. The axle system includes front axles like HF7 or VGD95 and rear axles like HC16 or ST16, ensuring optimal power distribution. The brake system includes dual-circuit air brakes and spring parking brakes for enhanced safety and stability.
Key Features:
- Dual-plate diaphragm spring clutch: Reliable torque management
- Front and rear axles: Optimized power transmission
- Dual-circuit air brakes: Effective stopping power
- Spring parking brake system: Additional safety
These systems meet international safety standards like ECE R13, reducing accident risks.
Performance Analysis
HOWO engines strike a balance between fuel efficiency and power output. This balance is crucial for fleet operations, as it impacts both costs and productivity.
Fuel consumption varies depending on the load. For example, the HOWO 371 consumes 23.8 liters per 100 km under mixed loads, while the HOWO 420 uses 25.4 liters per 100 km.
Fuel Consumption Comparison:
| Engine Model | 50% Mixed Load (L/100km) | 100% Empty (L/100km) | 100% Full (L/100km) |
|---|---|---|---|
| HOWO 371 | 23.8 | 13.9 | 34 |
| HOWO 420 | 25.4 | 14.7 | 36 |
Conclusion
The HOWO engine lineup offers diverse options to meet various needs. When choosing an engine, consider factors like load, terrain, fuel efficiency, and compliance with emission standards. The HOWO 371 is ideal for fuel efficiency, while the 420 is better for extreme heavy loads. Matching the engine to your operations ensures optimal performance, cost savings, and durability.
Sinotruk’s engines, such as the WD615 and D12 series, feature water cooling and other practical designs tailored for specific uses. As a trusted supplier, Genron offers customized SINOTRUCK sales, long-term maintenance, and spare parts to maximize your investment.
FAQ
What Different Engine Models Does a HOWO Truck Use?
HOWO trucks use models like the WD615, WD618, and MC series. These engines cover a range of needs, from standard to high-end options.
How Fuel-Efficient Are HOWO Truck Engines?
HOWO engines are designed for fuel efficiency, with some models consuming as little as 25 liters per 100 km under specific conditions.
What Is the Power Output and Torque of HOWO Truck Engines?
HOWO engines deliver up to 680 horsepower and 3200 N·m of torque, making them suitable for heavy-duty tasks.
Are HOWO Trucks Suitable for Construction and Mining Applications?
Yes, HOWO trucks are built to handle tough conditions in construction and mining, with durable engines and transmissions.
How Reliable Are HOWO Trucks for Long-Distance Transportation?
HOWO trucks are highly reliable for long-distance routes, with features like intercooling ensuring efficiency and minimal downtime.
What Maintenance Do HOWO Truck Engines Require?
Regular maintenance, such as oil changes and filter replacements, is essential. Using original parts ensures better performance and longevity.
