The HOWO 6x4 High Roof tractor is designed for long-distance and heavy-duty transport. Equipped with a powerful and reliable engine (371–430 HP), it delivers excellent performance and fuel efficiency. The spacious high-roof cabin provides a comfortable driving environment with sleeper and air conditioning, suitable for long-haul operations. With strong axles, durable chassis, and large fuel capacity, this model is widely used in logistics, construction, and cross-border transportation.
Refurbished HOWO 6x4 High Roof Tractor Head
Our refurbished HOWO 6x4 high roof tractor offers the perfect balance of quality and affordability. Each truck is carefully reconditioned with new paint, renewed interior, reliable engine, and strong axles, ensuring excellent performance on the road.
With a spacious high-roof cabin and durable 6x4 drive system, it is built for both comfort and heavy-duty transport. Compared with new trucks, our refurbished units provide the same dependable quality at a much lower price, making them a cost-effective choice for customers who value both performance and savings.
| Item | Specification |
| Model | HOWO A7 / HOWO T7H (Varies by version) |
| Drive Type | 6x4 (Three axles, two driven) |
| Engine Model | WD615.47 (Euro II / Euro III compliant) |
| Engine Power | 371 HP (273 kW) |
| Engine Displacement | 9.726 L |
| Fuel Type | Diesel |
| Max Torque | ~1500–1600 Nm |
| Transmission | HW19710 (10-speed manual), optional HW19712 (12-speed) |
| Clutch | Single dry plate, Φ430 mm |
| Front Axle | HF9, rated at 9 tons |
| Rear Axle | HC16 double reduction axle, rated at 2×16 tons |
| Cabin | HW79 high-roof cabin, double sleeper, A/C included |
| Steering | ZF power steering, hydraulic with power assist |
| Fuel Tank Capacity | 400 liters |
| Tire Size | 12.00R20 or 12R22.5 (radial tires) |
| Braking System | Dual circuit air brake, ABS optional |
| Suspension | Leaf spring (front: 10; rear: 12 or 13) |
| Wheelbase | 3225 + 1350 mm |
| Overall Dimensions (L×W×H) | Approx. 6800 × 2500 × 3850 mm |
| Curb Weight | ~11,000–12,000 kg |
| GVW (Gross Vehicle Weight) | 25,000–31,000 kg |
| Max Speed | 102 km/h (electronically limited) |
| Fifth Wheel | 50# or 90# optional (suitable for 40–60 ton trailers) |