HOWO A7 420HP 6×4 Tractor Truck

HOWO A7 420HP 6×4 Tractor Truck

The HOWO A7 420HP 6×4 tractor truck is purpose-built for long-haul logistics and heavy-load towing. It combines a strong powertrain, a comfortable high-roof cabin, and a durable chassis to deliver stable, efficient, and reliable transport performance across diverse working conditions.

Detailed Product Description :

The HOWO A7 420HP 6×4 Prime Mover is engineered for fleets that require dependable performance in long-distance and high-load transport. Equipped with the Sinotruk D12.42-30 inline-six diesel engine, it outputs 420 horsepower and high torque for confident acceleration and stable traction under heavy towing conditions. This powertrain, paired with the HW18710 10-speed manual gearbox, ensures smooth shifting and improved fuel efficiency during highway cruising and mixed-terrain operations.

The 6×4 axle setup provides balanced weight distribution and enhanced grip, allowing the truck to maintain stability when hauling containers, bulk cargo, construction materials, and industrial freight. Its reinforced frame, robust rear axles, and multi-leaf suspension deliver excellent durability, even in demanding logistics environments.

Inside the A7 high-roof sleeper cabin, the driver benefits from a spacious layout, supportive seating, a comfortable sleeper berth, and essential functions such as air conditioning and electric windows. Noise reduction features and ergonomic controls help minimize fatigue during long operating hours.

Additionally, the 400-liter aluminum fuel tank supports extended journeys, reducing refueling downtime and boosting productivity. With reliable braking performance, efficient power delivery, and solid build quality, the HOWO A7 420HP 6×4 tractor truck is a practical and cost-effective choice for international logistics, highway transport, and heavy freight operations.

Key Advantages:

• High-Torque 420HP Engine
  Provides strong pulling power and stable acceleration for hauling up to 40 tons GCW.

• Fuel-Efficient Powertrain
  The D12.42-30 engine paired with the 10-speed HW18710 gearbox optimizes fuel consumption on varied terrain.

• Durable 6×4 Drivetrain
  Reinforced axles and a heavy-duty frame ensure excellent load-bearing capability in long-haul and industrial applications.

• Comfortable High-Roof Sleeper Cabin
  Ergonomic seating, spacious interior, and a sleeper bed help reduce driver fatigue on extended routes.

• Large 400L Aluminum Fuel Tank
  Supports long-distance transport with fewer refueling stops, improving daily operational efficiency.

• Stable Handling & Safety Features
  Leaf-spring suspension, quality braking components, and strong chassis stiffness improve stability and safety during heavy towing.
  

More Details

Key Specifications:

Specification	Details
Model	ZZ4257V3247N1B
Drive Type	6×4
Engine	Sinotruk D12.42-30, 420HP, Euro III
Displacement	11.596 L
Max Torque	1820 Nm @ 1100–1500 rpm
Transmission	HW18710, 10-speed manual
Wheelbase	3225 + 1350 mm
Fuel Tank	400 L aluminum alloy
GVW	25,000 kg
GCW	40,000 kg
Rear Axle Ratio	4.11
Suspension	Leaf spring
Top Speed	101 km/h
Tires	12.00R20 × 10
Cabin	High-roof sleeper, 3 seats
Origin	Jinan, Shandong, China

Production & Shipping:

ZW Group supplies the HOWO A7 420HP 6×4 Tractor Truck as brand-new units when available or as professionally refurbished trucks based on customer needs. Each refurbished vehicle undergoes a complete inspection process, including engine calibration, transmission servicing, brake overhaul, chassis straightening, electrical system checks, and interior restoration to ensure dependable, road-ready performance.

For export, every truck is prepared using secure and standardized shipping methods such as flatbed transport, Ro-Ro vessels, or modular carriers. All vehicles are tightly fastened with reinforced tie-downs and protected with padding around key components like the cab, fuel tank, and chassis rails. This ensures the truck arrives safely and in optimal condition at ports across Africa, the Middle East, Southeast Asia, and South America.