Real-World Sinotruk Howo 6X4 Dump Truck Performance Review

Dec 12, 2024 | trucks

Overview of the Sinotruk Howo 6×4 Dump Truck

The Sinotruk Howo 6X4 DUMP TRUCK is a powerful vehicle built for construction, mining, and heavy-duty tasks. Known for its engine performance and high payload capacity, it is ideal for transporting materials on various terrains.

Engine and Performance

The sinotruk howo 6×4 dump truck is powered by the WD615.69 engine, a 4-stroke, 6-cylinder in-line engine with water cooling, turbocharging, and intercooling. The engine produces 336 horsepower, with options for 340HP, 380HP, or 400HP in some models. It delivers a maximum output of 247 kW (336 HP) at 2200 rpm, ensuring strong performance under heavy loads. The engine offers a maximum torque of 1590 Nm at 1200-1500 rpm in the Euro III models, making it suitable for tough conditions.

Transmission and Axles

The truck features the HW19710 transmission, with 10 forward and 2 reverse gears, enabling smooth operation on various terrains. The axle system includes a HF9 or VGD95 front axle with a 9500 kg capacity and the AC16 or HC16 rear axle, each capable of carrying 16,000 kg. These axles, combined with the robust transmission, enhance the truck’s durability and performance.

Dimensions and Capacity

The Sinotruk Howo 6×4 Dump Truck is available in different wheelbase configurations, including 3625+1350 mm and 3825+1350 mm. The cargo box ranges from 5600x2300x1500 mm to 5800x2300x1500 mm, providing ample space for large loads. Its maximum payload capacity is 35 tons, making it perfect for heavy-duty hauling.

Fuel Efficiency and Speed

The truck’s fuel consumption is about 32-35 liters per 100 kilometers or 30-33 liters per 100 kilometers depending on the model. Despite its powerful engine and high load capacity, it can reach a maximum speed of 102 km/h or 80 km/h, ensuring efficient operation on highways and rough terrains.

Safety and Comfort Features

The Sinotruk Howo 6×4 Dump Truck is equipped with a dual circuit compressed air brake system for reliable stopping power and a spring energy parking brake. The ZF8118 or ZF8098 hydraulic power steering system makes handling easy, while the hydraulic suspension cab, air conditioning, and MP3 radio ensure driver comfort during long shifts.

Summary

With its powerful engine, strong axles, and high payload capacity, the Sinotruk Howo 6×4 Dump Truck is an excellent choice for industries that need efficient and reliable heavy-duty transport solutions. Its combination of performance, safety features, and comfort makes it ideal for demanding applications.

Engine Specifications of sinotruk howo

The Sinotruk HOWO 6X4 Dump Truck features a powerful and efficient engine that makes it ideal for heavy-duty work. Below are the detailed engine specifications:

  • Make: SINOTRUK Diesel
  • Type: 4-Stroke direct injection diesel engine
  • Engine Model:
    • Euro III, WD615.96C or D12.42
    • 6-cylinder in-line with water cooling, turbo-charging, and intercooling
  • Displacement: 9.726L
  • Bore: 126mm
  • Stroke: 130mm
  • Compression Ratio: 17:1 or 17.5:1
  • Engine Oil Capacity: 23L
  • Cooling System Capacity: 40L
  • Thermostat: Opens at 71℃
  • Air Compressor: Twin cylinder air compressor

Maximum Output and Torque

The Sinotruk HOWO 6X4 Dump Truck delivers strong power and torque, making it perfect for tough tasks:

  • Maximum Output:
    • 336hp at 2200 rpm (for the 25-ton dump truck)
    • 380hp at 2000 rpm (for some 6X4 dump truck models)
    • 420hp at 2200 rpm (for the 420HP tractor model)
  • Maximum Torque:
    • 1350Nm at 1100-1600 rpm (for the 25-ton dump truck)
    • 1590Nm at 1200-1500 rpm (for some 6X4 dump truck models)
    • 1160Nm at 1100-1600 rpm (for the 420HP tractor model)

Fuel Efficiency

  • Specific Fuel Consumption:
    • 195g/kWh (for the 336hp model)
    • 188g/kWh (for the 420hp model)

High-Pressure Common-Rail Fuel Injection System

The 420HP model uses a high-pressure common-rail fuel injection system with a maximum pressure of 1600 bar, improving fuel efficiency and overall engine performance.

Transmission and Gearbox of sinotruk howo

The Sinotruk Howo 6X4 Dump Truck is equipped with the HW19710 transmission model, offering strong and efficient performance in various driving conditions. The gearbox provides 10 forward gears and 2 reverse gears, which are ideal for different load needs and terrains. The gear ratios are as follows:

  • Forward Gear Ratios: 14.28, 10.62, 7.87, 5.88, 4.38, 3.27, 2.43, 1.8, 1.34, 1
  • Reverse Gear Ratios: R13.91, R3.18

This wide range of gears allows for smooth shifting and better fuel efficiency in both urban and off-road settings, making the truck highly adaptable to different working environments.

Clutch System

  • Clutch Type: Single-plate dry coil-spring clutch
  • Clutch Diameter: 430mm
  • Clutch Operation: Hydraulically operated with air assistance

This clutch system ensures reliable and consistent engagement, improving overall drivability and performance, especially when handling heavy loads.

Propeller Shaft

  • Type: Double universal joint propeller shaft
  • Coupling: Gear-shaped coupling flange

The double universal joint propeller shaft increases durability and torque transmission, supporting the vehicle’s ability to handle tough conditions without sacrificing efficiency.

This comprehensive transmission setup ensures the Sinotruk Howo 6X4 Dump Truck delivers excellent power, performance, and adaptability in a variety of operating conditions, whether on highways or challenging terrains.

 

Performance and Fuel Consumption of sinotruk howo

The Sinotruk Howo 6X4 dump truck offers a solid mix of performance and fuel efficiency, making it a dependable choice for heavy-duty tasks.

Maximum Driving Speed

The maximum driving speed of the Howo 6X4 is 80 km/h, offering a good balance of power and safety, suitable for both highways and off-road driving.

Fuel Consumption

Fuel consumption varies depending on the load: – Normal driving conditions: The truck uses 30-33 liters per 100 km[1][4]. – Empty truck (100% empty): Fuel consumption drops to 13.9 liters per 100 km[2]. – Fully loaded truck (100% full): When fully loaded, fuel consumption increases to 34 liters per 100 km[2].

Engine Performance

  • The Howo 6X4 comes with a 4-stroke direct injection diesel engine that offers both power and efficiency:
    • Engine model: Euro III, WD615.96C or Euro II, WD615.47[1][5].
    • Maximum output: 380hp at 2000 rpm or 371hp at 2200 rpm[1][5].
    • Maximum torque: 1590Nm at 1200-1500 rpm or 1100-1600 rpm[1][5].
    • Displacement: 9.726L[1][5].
    • Specific fuel consumption: 195g/kWh[1][5].

Gearbox and Axles

  • The gearbox model is the HW19710, which offers 10 forward speed gears[4] for smooth transitions and better fuel efficiency.
  • The truck’s axle configuration includes HF9/HC16, designed for heavy loads and rough terrain[4].

Other Performance Features

  • The truck features an approach angle of 20° and a departure angle of 24°, providing better ground clearance and maneuverability in off-road conditions[1].
  • Safety is a priority with a 3-style braking system, traverse stabilizer, floating suspension, and shock absorbers, ensuring safe transport of heavy loads[3].

Drive and Axles of sinotruk howo

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Braking System

The Sinotruk Howo 6X4 Dump Truck is equipped with a strong braking system to ensure maximum safety and control, even in tough conditions. It includes several advanced components that work together to provide excellent performance on rough terrain and high-speed roads.

Service Brake

The Howo 6X4 Dump Truck uses a dual circuit compressed air brake system, which allows the vehicle to stop effectively even if one brake circuit fails. This redundancy increases the system’s reliability, making it a key safety feature.

Parking Brake (Emergency Brake)

The parking brake works with spring energy and compressed air, directly acting on the rear wheels. This ensures the vehicle stays securely parked, even on uneven or sloped terrain, preventing accidental movement.

Auxiliary Brakes (Optional)

To improve braking performance, the vehicle offers optional auxiliary braking systems: – Engine Exhaust Brake (EVB): This system reduces the load on the service brakes by using the engine’s exhaust system to slow the vehicle. It is particularly useful for descending steep slopes or when heavy braking is needed. – Antilock Brake System (ABS): ABS prevents the wheels from locking during hard braking, helping maintain traction and control, especially on slippery or wet roads. – Automatic Brake Gap Adjustment Arms: These arms automatically adjust the brake pads’ distance from the brake drums, ensuring optimal braking and reducing wear on the system.

Specialized Braking for Rough Terrain

The Howo 6X4 Dump Truck has a special braking system for rough terrains, specifically designed to handle heavy loads and tough conditions, such as mining sites. This system ensures the truck can stop safely, even when carrying large amounts of material over uneven ground.

Additional Safety Features

The braking system includes advanced safety features like alerts and flashing rear lights, which warn the driver and other vehicles of potential hazards, enhancing safety on construction or mining sites.

In conclusion, the braking system of the Sinotruk Howo 6X4 Dump Truck offers a reliable, safe, and controlled experience, making it a great choice for both urban and off-road use.

Steering System

The Sinotruk Howo 6X4 Dump Truck is equipped with a hydraulic power-assisted steering system, which makes it easier to operate and improves maneuverability. This system helps the driver maintain control, especially in tight spaces or at low speeds.

Steering System Features

  • Type: Hydraulic power-assisted steering
  • Model: ZF8098 or ZF8118 (depending on the specific model)
  • Power Assistance: The power-assisted system reduces the effort needed to steer, making it more comfortable for the driver.
  • Steering Ratio: The steering ratio ranges from 22.2 to 26.2, allowing for precise control of the truck’s direction.

Common Issues with the Steering System

  • Heavy Steering: This can be caused by low steering fluid or a problem with the steering booster system.
  • Steering Rattling: Often caused by worn parts or loose components in the steering system.
  • Unstable Steering: This may occur due to damaged parts or improper adjustments in the steering system.
  • Excessive Free Play: Large free movement in the steering wheel could indicate worn components or improper brake adjustments.
  • Steering Wheel Shaking: This may result from damaged steering components or improper adjustments.

Maintenance and Repair

If any of these issues are found, the steering system should be inspected and repaired by a professional. The cost of part replacement will vary based on the complexity of the repair and the specific part needing replacement.

The hydraulic power-assisted steering system, integrated with the truck’s chassis and axle setup, ensures smooth and stable steering performance. This makes the Sinotruk Howo 6X4 a reliable and easy-to-handle vehicle for demanding tasks.

Dimensions and Capacity

The Sinotruk Howo 6X4 dump truck has impressive dimensions and capacity, making it suitable for heavy-duty tasks. Here are the key specifications:

  • Length x Width x Height: 8214 x 2496 x 3386 mm
  • Wheelbase: 3625 + 1350 mm
  • Front/Rear Overhang: 1500 / 1739 mm (or 1500 / 1670 mm in some models)
  • Approach/Departure Angle: 19° / 26°

Cargo and Loading Capacity

  • Cargo Box Size: 5600 x 2300 x 1500 mm
  • Cargo Tank Length: 5.3-6.2 meters (for some models)
  • Cargo Volume: About 17.94 cubic meters (for a 5200 x 2300 x 1500 mm body)
  • Payload Capacity: 35 tons (for ZZ3257N3647B model)
  • Loading Capacity: 28,500 kg (for ZZ3257N3447A model), up to 30 tons for some models

Weight and Axle Capacity

  • Gross Vehicle Weight: 25,000 kg (for ZZ3257N3647B model), or 41,000 kg (for ZZ3257N3447A model)
  • Front Axle Loading Capacity: 9,000 kg
  • Rear Axle Loading Capacity: 2 x 16,000 kg
  • Kerb Mass: 12,290 kg (for ZZ3257N3647B model)

Additional Specifications

  • Fuel Tank Capacity: 300 liters
  • Minimum Ground Clearance: 314 mm
  • Tire Options: 12.00R20, 12.00R22.5, 12.00R24, 295/80R22.5, 315/80R22.5

Cab and Comfort Features

The Sinotruk Howo 6X4 Dump Truck focuses on driver comfort and ease of operation. Its cabin and comfort features make long hours on the road easier, offering practical and ergonomic solutions.

Cab Type

  • HW70 Standard Cabin: This version has no sleeping bed, ideal for short trips or when the driver doesn’t need overnight rest facilities.
  • HW76 Cabin: Equipped with one bunk, it offers a basic sleeping option for drivers on extended routes.
  • A7-P Lengthened Cab: Some models have the A7-P lengthened cab with one sleeper, providing extra comfort for longer trips.

Comfort Features

  • Air Conditioning: The truck has air conditioning to ensure a comfortable cabin temperature, even in hot weather.
  • Hydraulic Suspension: The cabin has a hydraulic suspension system to reduce the impact of rough roads and ensure a smoother ride.
  • Hydraulic Reversal Cab: The cab tilts forward by 55° with a hydraulic system for easier maintenance and service.
  • Seating: The driver’s seat features hydraulic adjustments and seatbelts, offering better comfort and safety.
  • USB Port and Audio: The cabin includes a USB port and a radio system with MP3 format audio, allowing entertainment and easy connectivity during drives.

Interior Equipment

  • Windscreen Wipers: The 2-arm windscreen wiper system has three speeds to ensure clear visibility in heavy rain or bad weather.
  • Laminated Windscreen: The laminated windscreen provides strength and durability, and it has an integrated radio aerial for better reception.
  • Instrument Panel: The dashboard includes key indicators like compressed air pressure, coolant temperature, engine oil pressure, and battery charge status.

Seating and Ergonomics

  • Berth Options: Depending on the cabin type, the Howo 6X4 offers a single or double berth configuration, giving comfortable sleeping arrangements for long-distance drivers.
  • All Steel Construction: The cab is made from all-steel materials for strength and durability while maintaining ergonomic design.

Additional Features

  • Power Steering: The truck has hydraulic power steering with models like ZF8118 and ZF8098, making it easier for the driver to maneuver, especially when carrying heavy loads.
  • Mechanical Clerestory and Rear Window: These features provide extra ventilation and visibility, improving the overall driving experience.

These cab and comfort features make the Sinotruk Howo 6X4 Dump Truck a reliable, driver-friendly vehicle for both short and long-haul operations.

Electrical System of Sinotruk Howo 6X4 Dump Truck

The electrical system of the Sinotruk Howo 6X4 Dump Truck is built for reliable operation in tough conditions. Here’s an overview of its main features:

  • Operating Voltage: The truck runs on a 24V electrical system, providing consistent power and reliability for heavy-duty work. The system is grounded for safety and efficiency.
  • Starter: The truck has a 24V, 7.5kW starter, ensuring smooth engine starts even in cold or challenging environments.
  • Alternator: The truck uses a 3-phase, 28V alternator with a 1500W output. It provides enough power to recharge the batteries and keep the electrical components running.
  • Batteries: The truck is equipped with two 12V batteries, either 165Ah or 180Ah. These batteries provide long-lasting power, supporting the truck’s electrical systems during long trips or in remote areas.

Electrical Components

The Sinotruk Howo 6X4 includes a range of essential electrical components:

  • Cigar-lighter
  • Horn
  • Headlamps
  • Fog lights
  • Brake lights
  • Indicators
  • Reverse light
  • Backing alarm

These components are integrated into the truck’s electrical system, improving safety and convenience. The truck is fully equipped for various driving conditions.

Additional Features and Advantages of sinotruk howo

The Sinotruk Howo 6X4 dump truck offers advanced features that boost its performance and reliability, making it an excellent choice for heavy-duty operations.

Powerful Engine and Performance

  • Engine Power: The truck features an engine with 336 to 420 horsepower, depending on the model[2][4].
  • Engine Model: It uses the WD615.69 engine, with a 9.726-liter displacement, delivering steady performance for tough jobs[1][3].
  • Emission Standards: The engine meets Euro II to Euro V emission standards, providing eco-friendly operation without sacrificing power[1][4].

Strong and Durable Build

  • Transmission: The Sinotruk Howo 6X4 has a 10-forward and 2-reverse speed manual transmission (HW19710 model), allowing precise control in different driving conditions[1][3][4].
  • Axles and Load Capacity: The front axle is HF9, and the rear axles are HC16, ensuring a high load-bearing capacity for heavy hauling[1][3][4].
  • Chassis: The chassis is made from high-strength steel, offering durability to handle heavy loads and rough terrain[2][3][5].

Cargo Capacity and Versatility

  • Cargo Dimensions: The cargo body measures 5600mm x 2300mm x 1500mm, with an 8mm floor and 6mm side thickness, providing plenty of space for heavy-duty hauling[1][3][5].
  • Cargo Capacity: The truck can carry 30-40 tons, depending on the configuration, making it suitable for large-scale transportation[3][4].

Comfortable and Safe Cabin

  • Cabin Options: Choose between the HW70 standard cabin or the HW76 one-bunk cabin, both with air-conditioning and comfortable seating for long road hours[1][3].
  • Suspension System: The truck has a hydraulic suspension cab and adjustable four-point suspension seats with seat belts, ensuring comfort on rough roads[1][5].

Superior Braking and Safety Features

  • Braking System: The truck uses an advanced S-curve air brake system from a trusted international brand, improving braking performance and safety[2].
  • Hydraulic System: It includes an intelligent hydraulic control system that prevents operational errors for smooth and safe operation[3].

Additional Practical Features

  • Tires: The truck is equipped with 12.00R20 radial tires (with options like 12R22.5 and 315/80R22.5 tubeless tires), offering excellent anti-skid performance and high load capacity, ensuring safety on various terrains[1][3][5].
  • Fuel Efficiency: The Howo 6X4 is designed to maximize fuel efficiency while maintaining power, making it ideal for long-distance transport[2].
  • Lifting Mechanism: The F-type tripod lifting system increases the truck’s ability to carry heavy loads[5].
  • Rear Door Locking: The rear door features a secure locking structure to ensure safe transport of materials[5].

Electronics and Comfort