ZW Vehicle Group---Semi Trailer,Dump Truck,Tractor Truck,Commercial Truck

HOWO NX 400HP 6×4 Tractor Truck
High-Power Heavy-Duty Tractor for Long-Haul Logistics
HOWO NX 400HP 6×4 Tractor Truck
The HOWO NX 400HP 6×4 tractor truck delivers robust power, durability, and driver comfort for long-distance freight, container hauling, and industrial transport, supporting professional fleets worldwide.
Detailed Product Description :
The HOWO NX 400HP 6×4 Tractor Truck is designed for heavy-duty logistics and long-haul operations, offering high performance and reliability. Its Sinotruk WD615.47 diesel engine produces 400 horsepower and 1900Nm of torque, ensuring strong power delivery for both highway and off-road transportation.
Equipped with a 10-speed manual transmission and a 3.73 rear axle ratio, this tractor truck balances fuel efficiency and hauling capacity. With a gross combination weight (GCW) of 40 tons, it easily manages container, bulk cargo, and general freight transport across diverse terrains.
Driver comfort and safety are prioritized with a spacious high-roof sleeper cabin featuring ergonomic layout, air suspension seats, and air conditioning. Reinforced chassis components, a 400L diesel fuel tank, ABS braking system, and durable drivetrain components minimize maintenance downtime and enhance operational safety.
Ideal for regional and cross-border logistics, the HOWO NX 400HP 6×4 tractor truck delivers an optimal combination of performance, fuel efficiency, and long-term reliability for professional fleets seeking dependable heavy-duty solutions.

Key Advantages:
High-power 400HP WD615.47 engine for efficient hauling.
6×4 drivetrain and reinforced chassis for superior traction and load stability.
10-speed manual transmission with optimized rear axle ratio for fuel efficiency.
Comfortable high-roof sleeper cabin with ergonomic controls and air suspension seats.
Heavy-duty components, ABS braking, and 400L fuel tank for long-distance operations.


Key Specifications:
Specification | Details |
|---|---|
Model | ZZ4257N3247C1 |
Drive Type | 6×4 |
Engine | WD615.47, 400HP, inline 6-cylinder diesel |
Torque | 1900Nm @ 1100–1500 rpm |
Transmission | HW19710, 10-speed manual |
Rear Axle Ratio | 3.73 |
Fuel Tank | 400L (Diesel) |
Wheelbase | 3225 + 1350 mm |
Top Speed | 102 km/h |
GCW | 40,000 kg |
Suspension | Leaf spring |
Tires | 12.00R20, 10 pcs |
Cab | High-roof sleeper with air suspension |
Brakes | Air brake + ABS |
Origin | Jinan, Shandong, China |
Production & Shipping:
ZW Group offers HOWO NX 400HP 6×4 tractor trucks as both brand-new and professionally refurbished units. Our refurbishment workshops perform comprehensive mechanical inspections, engine tuning, gearbox checks, chassis reinforcement, and cabin restoration. Depending on client requirements, trucks can be supplied new or refurbished, ensuring reliable performance and operational readiness.

Each unit is carefully loaded for international shipment using flatbeds, Ro-Ro vessels, or modular carriers. Specialized securing methods protect the chassis, cabin, and drivetrain during transport, guaranteeing damage-free delivery to destinations worldwide.
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