The HOWO NX 6×4 tractor unit is a reliable and efficient solution for long-haul logistics and heavy-duty transportation, engineered to deliver powerful performance, fuel efficiency, and comfort for various operational needs.
The vehicle features mature and proven tuning with abundant low-end torque, ensuring strong performance for starting and climbing on challenging terrains. Built with a high-rigidity frame and reinforced axles, it offers stable load-bearing capacity, making it suitable for both standard long-haul transport and bulk cargo hauling on gravel roads.
Powered by a 371HP Sinotruk engine paired with a 10-forward/2-reverse gear transmission, the tractor provides smooth shifting and high transmission efficiency, resulting in excellent overall fuel economy. The VGD71 front axle and MCY12BGS dual rear axles with a 3.7 ratio ensure reliable traction and durability under heavy loads.
The cab is designed with excellent sealing and low noise levels, creating a comfortable working environment for drivers during long shifts. Equipped with a Bosch steering system, dual-circuit air brakes, and comprehensive safety configurations, the tractor ensures stable and secure handling even on complex road conditions.
Built for durability and low maintenance costs, the HOWO NX tractor features robust components and easy serviceability, reducing downtime and operational expenses. With a curb weight of 8,800kg, 600L fuel tank, EURO II emission compliance, and 315/80R22.5 tires, it offers outstanding cost performance and peace of mind for your transportation operations.
Key Features Summary
Mature tuning with strong low-end torque: excellent starting and climbing performance
High-rigidity frame: stable load capacity for both long-haul and bulk cargo transport
Smooth shifting and high transmission efficiency: outstanding fuel economy
Comfortable cab with low noise and good sealing: reduces driver fatigue
Reliable braking and comprehensive safety configurations: stable performance on complex roads
Durable construction with low maintenance costs: cost-effective operation and peace of mind
| Brand | HOWO NX Tractor Truck 6×4 |
| Model | ZZ4257V344JB1R |
| Dimension(L×W×H)(unloaded) | 6800×2500×3250 MM |
| Curb weight | 8800 kg |
| Maximum allowable total mass | 25000 kg |
| Maximum design static load | 16000 kg |
| Max speed | 100 km/h |
| Traction saddle | 90# |
| Oil Tank | 600L |
| Engine | Sinotruk MP3, NONA electrical system, reversing horn, aluminum air reservoir, fire extinguisher, main airbag + secondary airbag type seat, pressure‑stabilizing air reservoir |
| Fuel Type | Diesel |
| Max Power | 371 HP |
| Emission Standard | EURO II |
| Transmission & Brake & Steering System | 10 forward speeds and 2 reverse speeds; Dual‑circuit compressed air brake; Spring energy parking brake; Right‑hand Bosch steering system |
| Front Axle | VGD71 Front Axle (Drum) |
| Drive Axle | MCY12BGS Dual Rear Axles (Drums), Ratio 3.7 |
| Tire | 315/80R22.5 tire (mixed tread / 18PR) |
| Electrical System | Battery 2×12V/165Ah |
| Alternator | 28V‑1500W |
| Starter | 7.5Kw/24V |
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