400 HP Weichai engine
The typical WP12.400E50 engine is listed with a 440 HP MC11 alternative.

Build your freight or container operation around the HOWO NX 6×4, with a typical 400 HP Weichai engine, 12-speed transmission and 600 L fuel tank. A high-roof twin-sleeper cab with air conditioning gives drivers space for rest between haulage duties.
Share your trailer, load, route and destination for tractor options and a quotation.
The typical WP12.400E50 engine is listed with a 440 HP MC11 alternative.
The HW19712 gearbox is paired with a 6×4 tandem-drive chassis.
Twin sleepers, four-point suspension and air conditioning are listed with a 600 L aluminum alloy tank.
Typical configurations and options are shown below. Your quotation confirms the selected build and included preparation work.
| Parameter | Typical / Optional Configuration |
|---|---|
| Model | SINOTRUK HOWO / NX series |
| Drive Type | 6×4 |
| Engine | Weichai WP12.400E50; 400 HP / 294 kW; China V; optional MC11.44, 440 HP |
| Transmission | HW19712; 12 forward + 2 reverse gears |
| Parameter | Typical / Optional Configuration |
|---|---|
| Front Axle | HF9; 9 t |
| Rear Axle | HC16; 16 t tandem axles; ratio 4.11 / 4.8 |
| Wheelbase | 3300 + 1350 mm |
| Cab | NX high-roof cab; four-point suspension; twin sleepers; air conditioning |
| Fuel Tank | 600 L aluminum alloy tank |
| Tyres | 315/80R22.5; 10 tyres |
| Parameter | Typical / Optional Configuration |
|---|---|
| Kingpin / Coupling Size | 90 mm |
| Application | Long-haul trunk logistics and efficient transport |
Review the selected truck and included workshop work with our Liangshan team before shipment.
Review the selected truck’s actual photos, completed work and available inspection or test records. For this tractor, discuss fifth-wheel condition and trailer air and electrical connections alongside the chassis and road test.
Remanufacturing covers agreed vehicle or component projects; it does not mean every component is new.
Compare model choices, configurations and buying steps before discussing your order with our team.
Representative imageBuild your regional freight or container-transport operation around a tractor matched to your trailer.
Representative imageKeep freight and containers moving with a HOWO 6×4 tractor specified for your trailer operation.
Representative imageFor fleet buyers planning long-distance freight, the HOWO TX 6×4 typical build combines a 430 HP Weichai engine, 12-speed transmission and 800 L twin tanks.