Product Introduction
The SINOTRUK HOWO heavy-duty 6×4 chassis truck serves as the foundation for two core vehicle types: tractor heads and dump trucks. Powered by Weichai or MC MAN engines ranging from 371 HP to 560 HP, it is paired with reliable manual transmissions and heavy-duty tandem rear axles. The reinforced steel frame delivers strong load-bearing capacity. Dump truck versions are suitable for mining and construction applications, with PTO-supported lifting systems, while tractor heads are ideal for long-distance cargo transportation. LHD and RHD configurations, as well as Euro II–V emission standards, are customizable. Durable, low-maintenance, and widely exported, it is trusted in global markets.
Product Parameters
| Tire Type | Radial heavy-duty truck tire |
| Size | 12R22.5/12.00R20 |
| Load Index | 152/149 |
| Speed Rating | K (110km/h for tractor); F (80km/h for dump) |
| Tread Pattern | Tractor: Highway rib pattern, low rolling resistance Dump: Block deep tread, cut & wear resistant |
| Construction | All-steel radial, reinforced sidewall |
| Recommended Position | Steer axle (single wheel); drive/tandem rear axles (dual wheels) |
| Inflation Pressure | Front 8.5 bar; Rear 9.0 bar |
| Operating Environment | Tractor: Paved highway, long-distance hauling Dump: Gravel, mine, muddy construction sites |
Product Features
This HOWO 6×4 chassis truck is suitable for both tractor heads and dump trucks. It is equipped with durable all-steel radial tires available in two sizes: 12R22.5 for highway tractors and heavier-duty 12.00R20 tires for mining dump trucks. The tractor tires feature a rib tread pattern for improved fuel efficiency and high-speed performance, while the dump truck tires have a deep block tread design to withstand sharp stones and rough road conditions.
All tires provide stable load-bearing performance, with optimized inflation pressure matched to the front and rear axles. The reinforced frame and heavy-duty rear axles easily support full-load operation. Powerful engines and reliable manual transmissions deliver strong pulling and climbing performance. The cabin offers basic comfort with an effective shock-absorption system.
We offer both left-hand-drive and right-hand-drive configurations, along with different emission standards. The entire vehicle setup is durable, easy to maintain, and well suited for long-distance cargo transportation, construction work, and mining haulage.
Technical Advantages
Big WP engine gives you strong pull from low revs, so you don't keep shifting and wasting fuel. The gearbox is tough and handles heavy torque without trouble. Two rear drive axles mean solid grip on wet roads or muddy job sites. The tractor version is built light with tall gearing to save fuel on the highway. The tipper version gets heavy axles, a double-layer frame, and strong suspension to survive rocks, potholes, and full-load lifts day after day. Emission system just works without giving you headaches.
Packing & Delivery
No wooden packing needed. Vehicles are directly loaded into frame containers or open decks. Fasten the body with steel belts and wooden blocks. Goods will be delivered 30 to 45 days after deposit, shipped from Qingdao or Lianyungang Port.
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FAQ
Q: Is the engine fuel-efficient but still strong?
Yes. The WP engine gives peak torque at low RPM, so you don't rev hard to get power. Less revving means less fuel. Small axle ratios on the tractor keep highway RPM low, saving real money on long runs.
Q: Will the tipper chassis crack under heavy loads?
No. It has a double-layer high-strength steel frame, reinforced hinge and lift mounts, plus hub-reduction axles with bigger shafts. Built for twisted, rocky ground every day.
Q: Is the AMT gearbox reliable?
Yes. It's the same tough manual gearbox with a smart shift unit added. It shifts like a good driver, cuts clutch wear, and keeps fuel results steady across different drivers.
Q: Does the China VI DPF clog often?
Not if you use it right. The system keeps exhaust hot enough for passive regen during normal driving. Let active regen finish when it starts. Use low-ash oil and good diesel – it'll run fine.
Q: What's really different between the tractor and tipper chassis?
Tractor: light, efficient, small axle ratios, single-reduction axles, built for highway and fuel saving.
Tipper: heavy-duty, hub-reduction axles, double-layer frame, tall tires, built for off-road punishment.
Pick the one that matches your real daily work.
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