HOWO TX 420HP Tractor Truck

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Model

ZZ3257V324GB1
Horsepower

430HP
Engine

WP12.430E201
Transmission

HW19710

overview

The SINOTRUK HOWO TX 6×4 Tractor Truck with 430HP is a heavy-duty tractor unit designed for long-haul and high-intensity transport tasks. It combines a proven powertrain with a comfortable, safety-focused cab.

The TX 6×4 is equipped with a 430HP engine (often the MC11.43-30 or WP12.430E201) that delivers strong torque for heavy loads and steep grades. It is paired with a robust 10-speed manual transmission (HW19710), known for its reliability and smooth power delivery in demanding conditions .

Cab & Comfort

The TX-F cab prioritizes driver comfort with a four-point suspension system, an air-suspension driver’s seat with lumbar support, and a single sleeper berth—ideal for long-distance driving –2 –9. It also includes air conditioning and a layout designed for practical storage.

Specifications

HOWO TX 6×4 TRACTOR TRUCK
Production Year	2026, new truck.
Cabin	TX -F cab.with one sleeper and two seats, with Air Conditioner, 2-arm windscreen wiper system with three speeds, damped adjustable driver’s seat, with heating and ventilating system, exterior sun visor, safety belts, adjustable steering wheel, air horn, with transverse stabilizer,with 4-point support fully floating suspension + shock absorber. High Position Steel Bumper
Engine	Diesel 4-stroke direct injection diesel engine Engine model: WP12.430E201, 430HP
Transmission	HW19710, 10F & 2R. Ratio: 14.28, 10.62, 7.87, 5.88, 4.38, 3.27, 2.43, 1.80, 1.34, 1.00, 13.91(R1), 3.18(R2)
Steering	ZF power steering, model ZF8118, hydraulic steering with power assistance
Front Axle	VGD95, 1*9500 KGS Steering with double T-cross section beam
Rear Axle	MCP16ZG, 2*16000KGS Pressed axle housing, central Single reduction with hub reduction and with differential locks between wheels and axles.
Propeller Shaft	Double universal joint propeller shaft with gear-shaped coupling flange
Chassis	Front suspension: 10 semi-elliptic leaf spring, hydraulic telescopic double-action shock absorbers and stabilizer Rear suspension: 12 leaf semi-elliptic springs, bogie spring and stabilizer
Brake	Service brake: dual circuit compressed air brake Parking brake (emergency brake): spring energy, compressed air operating on front shaft and rear wheels Auxiliary brake: engine exhaust brake

Safety & Durability

The cab structure meets ECE R29 European safety standards for collision protection . The chassis features a double-deck frame (8+8/300) and reinforced multi-leaf springs, ensuring durability on rough terrain and unpaved roads .

This tractor is widely used for towing tipper trailers to transport sand, ore, or building materials, and it is particularly popular in regions like Africa and Southeast Asia due to its fuel adaptability and readily available spare parts .

Interior

Excellent Ergonomic Design

All controls, instrument panels, and displays are intuitively arranged for easy access and quick information retrieval, minimizing distractions and maximizing driver focus. The pneumatically controlled steering wheel is fully adjustable for both height and angle.
High Comfort

Featuring an adjustable air suspension seat, the HOWO-TX offers multi-directional electric adjustment and lumbar support, allowing drivers to personalize their seating for optimal comfort. Crafted from high-quality, breathable materials, the seat effectively reduces fatigue during long drives.
All-Around Vision, Everything in Sight

Featuring wide-view design, four-way monitoring system (optional), and observation window (optional), the driver is accessible to comprehensive visual information about the surrounding environment and traffic dynamics of the vehicle, thus making accurate assessments, and safely responding to various situations.
Strong Power, Efficient and Reliable

Meticulous design and optimization of the HOWO-TX powertrain, combined with careful component matching and integration, delivers seamless power transmission, maximized efficiency, enhanced vehicle performance, and significantly reduced fuel and maintenance expenses.