HOWO 6x4 Trailer Head | Powerful Tractor Truck
Max Power：371HP
Fuel Tank：400L aluminum (optional 600L)
is your trailer head costing you time, money and sanity?
Tired of:
Constant maintenance eating into your profits?Uncomfortable cabs leaving you exhausted after every shift?
Limited versatility forcing you to turn down jobs? Breakdowns on tough terrains costing you deadlines?
WE HEARD YOU. HERE'S THE SOLUTION:
RUGGED CHASSIS THAT LASTS 2X LONGER
Our reinforced frame and military-grade axles withstand the worst conditions while extending service intervals by 40% - saving you $15,000+ in maintenance over 5 years.
DRIVER-FOCUSED CAB COMFORT
Air-suspension seats, climate control and 70dB quiet cabin reduce fatigue by 60% - because well-rested drivers are safer and more productive.
CONFIGURABLE FOR ANY JOB
Quickly adapt for dump trailers, container transport, logging or heavy haulage. One truck, multiple revenue streams - increase your earning potential by 35%.
ALL-TERrain READY TECHNOLOGY
Intelligent 6WD system conquers mud, snow and steep grades while maintaining 15% better fuel efficiency than competitors
We can customize the tractor head according to the color you want
And…
Concrete mixer truck opting left hand drive or right hand driven.
Fuel tank capacity
Vehicle detail photos
Product Advantages
1. Strong Horsepower & Reliable Engine
Equipped with high-torque diesel engines ranging from 336HP to 420HP, sourced from SINOTRUK (WD615, D12, or MC series), this tractor truck delivers powerful traction, rapid acceleration, and stable performance across diverse terrains and load conditions.
2. Proven 6x4 Drive Configuration
The 6×4 drivetrain provides excellent traction and off-road capability, making it ideal for highway hauling, hilly construction zones, and long-distance logistics. It's a reliable setup for towing 30–70 ton trailers in demanding environments.
3. Heavy-Duty Chassis & Reinforced Frame
Constructed with a high-strength steel chassis and a reinforced fifth wheel, the truck is built to endure extreme road conditions, reducing structural wear and extending service life - ideal for mining, port, and construction applications.
4. Fuel-Efficient & Cost-Effective
Thanks to optimized engine pairing and aerodynamic cab design, HOWO tractors achieve lower fuel consumption than many competitors. Combined with low maintenance needs, this significantly reduces total cost of ownership (TCO).
5. Comfortable & Safe Driving Experience
The truck features a sleeper cab, air suspension seat, multifunction dashboard, power steering, and air brake systems, offering a comfortable and safe experience for long-haul drivers.
6. Global Parts Availability & Service Network
SINOTRUK has a well-established after-sales network in over 60 countries. HOWO parts are readily available, with technical support, easy maintenance, and OEM services helping minimize downtime.
7. Customizable for Various Applications
Available in a variety of configurations including different wheelbases, fifth wheel heights, fuel tank capacities, paint colors, and axle brands (Fuwa/BPW) - tailored to suit needs in port logistics, bulk cargo transport, container hauling, and more.
Basic Parameters
| Category | Specification |
| Chassis Model | ZZ1257N4647W (HOWO 6x4) |
| Emission Standard | Euro III (GB17691-2005 Phase III) |
| Cab Type | HOWO-H78 High-roof sleeper cab |
| Drive Type | 6×4 (Rear-wheel drive) |
| GVWR | 25,000kg |
| Powertrain | |
| Component | Specification |
| Engine Model | Sinotruk WD615.97E |
| Engine Type | Turbocharged intercooled diesel |
| Displacement | 9.726L |
| Max Power | 371HP (273kW) @ 2200rpm |
| Max Torque | 1500N·m @ 1200-1600rpm |
| Transmission | HW19710CL (10-speed manual) |
| Clutch | 430mm double-disk organic |
| Fuel Tank | 400L aluminum (optional 600L) |
| Chassis Dimensions | |
| Parameter | Specification |
| Wheelbase | 3800+1350mm |
| Front/Rear Track | 2020mm/1860mm |
| Overall Length | 7,150mm |
| Turning Diameter | ≤16m |
| Ground Clearance | 320mm |
| Running Gear | |
| Component | Specification |
| Front Axle | HF9 forged axle (7.5-ton capacity) |
| Rear Axle | HC16 double-reduction axle (16-ton capacity) |
| Suspension | Front: 9-leaf spring |
| Rear: 12-leaf spring + balance shaft | |
| Tires | 12.00R20 (16-ply radial) |
| Brake System | Dual-circuit air brake + ABS |
Customer Feedback
Packaging & Shipping
Stand‑Out Advantages for Fleet Owners
Durable Twin‑Layer Chassis
CNC‑welded high‑tensile steel rails and reinforced cross‑members withstand torsion from 45‑foot container turns and mine‑site washboard tracks.
Driver‑Centric "Smart Cabin"
Air‑suspension seat, 4‑way steering column, Bluetooth / 4G telematics, and optional 360° surround camera reduce fatigue and streamline fleet dispatch.
Lower Total Cost of Ownership (TCO)
➤ Oil‑drain intervals up to 80,000 km with long‑life filters
➤ Adaptive cruise + engine retarder cut fuel burn up to 7 % on rolling highways
➤ Over‑the‑air ECU updates minimize workshop downtime
Global Parts & Service Ecosystem
Supported by 2,800+ SINOTRUK service partners across Asia‑Pacific, LatAm, MENA, and Eastern Europe, ensuring quick access to OEM spares and remote diagnostics.
Standout Features
Durable Chassis – Reinforced for 40T+ GCW
Driver-Focused Cabin – Ergonomic design with smart connectivity
Low TCO – Optimized fuel consumption & extended service intervals
Ideal for: Fleet operators prioritizing durability, cost efficiency, and modern compliance.
📞 Contact Our Truck Guardians Now!
FAQ
Q: 1. What is the maximum towing capacity of the HOWO 6x4 tractor head?
A: The HOWO 6x4 tractor can tow between 30 and 70 tons, depending on its configuration and road conditions. It is ideal for hauling container trailers, flatbeds, tankers, and other heavy-duty semi-trailers.
Q: 2. Which engine options are available for the HOWO tractor truck?
A: Our HOWO 6x4 tractor heads are available with 336HP, 371HP, or 420HP diesel engines from SINOTRUK (WD615, D12, or MC series). These engines are known for their fuel efficiency, durability, and compliance with Euro II, III, and IV emission standards.
Q: 3. Is this tractor suitable for long-distance or international transportation?
A: Yes. With its high torque output, sleeper cabin, and reliable drivetrain, the HOWO 6x4 is widely used for long-haul logistics, cross-border transportation, and port-to-site deliveries across Africa, Southeast Asia, the Middle East, and South America.
Q: 4. Can the truck be customized according to my needs?
A: Absolutely. We offer OEM/ODM services, including customization of the wheelbase, fifth wheel height, fuel tank capacity, axle brand (Fuwa/BPW), cab style, and paint color to suit your application and regional regulations.
Q: 5. What is the fuel economy of the HOWO 6x4 tractor head?
A: Fuel consumption depends on load and road conditions, but HOWO tractors are designed for optimized fuel efficiency, averaging around 32–38L per 100km under typical long-distance operating conditions.
Q: 6. Do you provide spare parts and after-sales service?
A: Yes. We supply genuine SINOTRUK spare parts, along with technical support, maintenance guidance, and remote assistance. Long-term partners can also benefit from local service referrals and bulk parts discounts.
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