Use Cases
This durable 10-wheel tractor truck is the ultimate Sinotruk towing vehicle for long-haul highway transportation and demanding logistics across rough terrains. Whether you are hauling high-volume fuel tanks or heavy construction materials, the HOWO A7 prime mover ensures maximum stability and fuel efficiency during cross-border deliveries. Furthermore, fleet managers frequently deploy this 6x4 commercial semi-truck for heavy container port transfers, relying on its powerful 420HP engine and HC16 rear axles to move massive 60-ton loads reliably.
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Detailed Description
When it comes to upgrading your commercial fleet, the Sinotruk HOWO A7 6x4 tractor truck stands out as an industry-leading prime mover designed for maximum profitability. Available in both HOWO 375HP tractor and HOWO 420HP truck configurations, this heavy duty truck utilizes the renowned WD615 and D12 engine series to deliver unmatched torque. By integrating the reliable HW19710 transmission and a 90# fifth wheel, this Sinotruk towing vehicle guarantees an exceptional traction weight capacity ranging from 30 to 60 tons, ensuring that heavy loads and large cargo volumes are transported with ease.
At ZW Group, we understand that every logistics operation is unique, which is why this 10-wheel tractor truck is fully customizable to meet specific client demands. From adjusting the fuel tanker capacity and payload specifications to modifying the cabin type for extra sleeper comfort, our commercial semi-truck solutions are tailored to your business. The HOWO A7 tractor head features superior general components, including advanced polyurethane paint for anti-corrosion, reinforced HF9 front and HC16 rear axles, heavy-duty suspension systems, and new 12R22.5 tubeless tires that provide a steadfast grip on any terrain.
Our commitment to quality is evident in every step of the manufacturing and refurbishment process. Each new or used HOWO A7 prime mover undergoes a rigorous production process and strict dynamic load testing to certify that its 6x4 drive system and braking mechanisms perform flawlessly under maximum 60-ton stress. We ensure that every heavy duty truck meets international safety and emission standards before it even leaves our facility.
Finally, ensuring your investment arrives in pristine condition is our top priority. ZW Group employs professional Ro-Ro and bulk cargo shipping packaging, applying protective wax coatings to safeguard the Sinotruk towing vehicle against harsh marine environments during transit. Whether you are searching for a brand-new prime mover or a high-quality used commercial semi-truck, the HOWO A7 delivers the perfect blend of power, reliability, and cost-efficiency.
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Detailed specifications
| Specification | Value |
|---|---|
| Model | HOWO A7 Tractor Truck (375–420 HP) |
| Drive configuration | 6×4 (variants: 4×2 / 6×2 available) |
| Horsepower (rated) | 375–420 HP |
| Engine (common models) | Sinotruk WD615 series / WP12 series (examples: WD615.96E / WP12S400) |
| Displacement | ≈9.7 L – 11.6 L (engine-dependent) |
| Transmission (common) | Sinotruk HW18710 / HW19710 (10F+2R options) |
| Wheelbase (example) | 3500 mm (typical 4×2); 3225+1350 / other multi-axle options for 6×4 |
| Fuel tank capacity | 400 L (single) or optional 400 L + 400 L dual tanks |
| Tire specification | 295/80R22.5 (vacuum) or 12.00R20 (depending on spec) |
| Typical GCW / Towing | Configurable — commonly supports combined weights ~30–40 tonnes (depends on axle ratio & spec) |
If you are looking to scale your logistics business, investing in a high-performance Sinotruk towing vehicle is the smartest choice you can make. The HOWO A7 tractor head is widely recognized as a top-tier prime mover, effortlessly outperforming standard vehicles in the heavy duty truck category. Whether you require a standard commercial semi-truck or a customized 10-wheel tractor truck, our inventory has you covered. By choosing between the highly efficient HOWO 375HP tractor and the ultra-powerful HOWO 420HP truck, you guarantee that your fleet is equipped with the ultimate heavy-hauling solution on the market.

- What is the maximum load capacity of this truck? Depending on your customized configuration, the HOWO A7 6x4 tractor truck can effortlessly handle a maximum traction weight of 30 to 60 tons, making it ideal for heavy commercial transport.
- Who can benefit the most from using this prime mover? Logistics companies, port operators, mining transport fleets, and long-haul highway freight businesses will find this heavy duty truck perfect for their high-volume operations.
- Why should I choose the 420HP model over the 375HP model? The 420HP D12 engine provides higher torque and power, which is essential if you are consistently towing loads closer to the 60-ton limit or operating in mountainous and rough terrains.
- Where can these trucks be shipped, and how are they protected? We ship globally! To ensure safe delivery, every truck undergoes rigorous pre-shipment inspections and is securely packaged with protective wax for Roll-on/Roll-off or bulk cargo shipping.
- When will I receive my truck after placing an order? Delivery times vary based on customization and destination, but our streamlined production process ensures rapid dispatch, typically within 15 to 30 working days.
- How can I customize the truck to fit my specific volume and payload needs? You can easily customize the engine power, tire specifications, fifth wheel size , fuel tank capacity, and paint color by speaking directly with our ZW Group sales experts.
Upgrade your vehicle
Upgrade to a HOWO A7 now to secure 375–420 HP of proven power, extended-range fuel options, and heavy-duty chassis—leave an inquiry to get tailored axle/gear ratio and pricing for your exact hauling needs.









