SINOTRUK HOWO TH7 6×4 Tractor Truck 540HP | Heavy Duty Truck Head
Product Overview
HOWO TH7 6×4 540HP Tractor Truck
The SINOTRUK HOWO TH7 6×4 Tractor Truck is a high-performance heavy-duty tractor designed for long-distance freight transportation and demanding hauling operations.
Powered by a 540HP SINOTRUK MC13-series diesel engine, the TH7 provides strong power and torque for heavy-load transportation. Its 6×4 drivetrain delivers reliable traction, making the truck suitable for highways, regional freight routes and challenging road conditions.
The TH7 combines a high-roof sleeper cab with a heavy-duty chassis and advanced powertrain options. Depending on the selected version, the transmission can be configured with automated or manual solutions, while the cab can include air suspension, air conditioning and other driver-oriented equipment.
It is an ideal tractor head for customers who require a combination of high power, long-distance capability, driver comfort and reliable heavy-duty performance.
Main Product Specifications
| Parameter | Specification |
| Brand | SINOTRUK HOWO |
| Vehicle Type | Tractor Truck |
| Drive Type | 6×4 |
| Engine Model | MC13.54 Series |
| Engine Power | 540 HP |
| Engine Displacement | Approx. 12.4-13.0 L |
| Transmission | 12-Speed / 16-Speed Optional |
| Transmission Type | Manual / AMT Optional |
| Front Axle | Heavy-Duty Steering Axle |
| Rear Axle | Heavy-Duty Drive Axles |
| Wheelbase | Approx. 3200+1400 mm |
| Tire Size | 12R22.5 |
| Fuel Tank | Large-Capacity Optional |
| Maximum Speed | Approx. 89 km/h |
| Maximum Traction Mass | Approx. 40 Tons |
| Cab | High-Roof Sleeper Cab |
| Steering | LHD / RHD Optional |
| Fuel | Diesel |
Product Details
540HP High-Power Engine
The TH7 is designed around a high-output powertrain.
The commonly listed MC13.54 configuration delivers approximately 540HP, with maximum torque around 2,500 Nm in one documented TH7 specification. This provides strong pulling performance for heavy trailers and long-distance freight operations.
The high-power configuration is especially useful when the tractor operates with heavy trailers or on routes involving:
- Long-distance transportation
- Mountain roads
- Highway freight
- Heavy machinery transportation
- Bulk cargo logistics
Advanced Transmission Options
Depending on the vehicle version, the TH7 can be equipped with different transmission configurations.
A documented 540HP TH7 version uses a 12-forward/2-reverse automated transmission with retarder, while other versions use 12- or 16-speed transmissions.
The transmission system is designed to provide:
- Smooth gear changes
- Efficient power delivery
- Better control under heavy loads
- Reduced driver workload
- Suitable gearing for long-distance transportation
High-Roof Sleeper Cab
The TH7 is designed not only for hauling performance but also for long-distance driver operation.
The high-roof sleeper cab can be equipped with:
- Sleeper berth
- Air conditioning
- Air-suspended driver's seat
- Electric windows
- Adjustable steering wheel
- Comfortable interior
- Improved driving visibility
Heavy-Duty Chassis
The chassis is designed to support long-term tractor operation.
The heavy-duty frame and axle system provide a stable platform for different semi-trailers.
Suitable trailer applications include:
- Flatbed trailers
- Low-bed trailers
- Container chassis
- Bulk cargo trailers
- Tank trailers
- Heavy equipment trailers
The actual fifth-wheel specification should be selected according to the trailer and operating requirements.
Application Fields
Long-Haul Freight
Ideal for:
- Regional freight
- Highway logistics
- International transportation
- Container transportation
Heavy Equipment Transportation
The TH7 can be matched with suitable low-bed trailers for transporting:
- Excavators
- Bulldozers
- Wheel loaders
- Construction equipment
Bulk Cargo Transportation
Suitable for pulling:
- Cargo trailers
- Bulk trailers
- Specialized semi-trailers
Trailer Matching
The HOWO TH7 tractor head can be matched with different semi-trailer configurations.
| Trailer Type | Typical Application |
| Flatbed Trailer | General Cargo |
| Lowbed Trailer | Construction Machinery |
| Container Trailer | Container Logistics |
| Tank Trailer | Liquid Cargo |
| Bulk Trailer | Bulk Materials |
| Extendable Trailer | Oversized Equipment |
This flexibility allows one tractor platform to support different transportation businesses.
Export & Customization
We can configure the HOWO TH7 according to the requirements of different international markets.
Available Options
- LHD / RHD
- 430HP / 540HP and other power options
- Manual / AMT transmission
- Different emission standards
- Different tire specifications
- Fuel tank configuration
- Fifth-wheel configuration
- Cab configuration
- Exterior color
For fleet orders, we can also provide consistent vehicle specifications and customized configurations.
FAQ
Q1: Is the HOWO TH7 a tractor truck?
Yes. The TH7 is a tractor head designed to pull semi-trailers for freight and heavy transportation.
Q2: What type of trailers can it pull?
It can be matched with flatbed, lowbed, container, tanker, bulk and other compatible semi-trailers.
Q3: Is the transmission automatic?
Depending on the version, the TH7 can use automated or manual transmission configurations. A documented 540HP version uses a 12-speed automated transmission with retarder.
Q4: Is RHD available?
Yes. Right-hand-drive configurations can be supplied for applicable markets.
Q5: Can the truck color be customized?
Yes. Exterior colors can be customized according to customer requirements.

