Description

## SINOTRUK HOWO 6×4 420HP CNG Dump Truck Specification - Drive type: 6×4 (10 wheels), LHD / RHD available - Chassis model: ZZ3257 series - Cabin: HW76 single sleeper cabin, 4-point suspension, factory A/C, sun visor, air suspension seat ### Powertrain (CNG) - Engine: Weichai WP12NG, 420HP, inline 6-cylinder CNG gas engine - Max torque: 1850 N·m - Emission: Euro 2 standard (popular for Africa), Euro 5 optional - Fuel: Compressed Natural Gas (CNG) ### Transmission - SINOTRUK HW19710 manual gearbox, 10 forward + 2 reverse gears - Optional HW19712 12-speed; HW70 PTO as standard for hydraulic lifting ### Axles (Drum Brake) - Front axle: HF9, 9 ton - Rear axle: HC16 tandem drive axle, 16 ton per axle, inter-wheel & inter-axle differential lock - Final drive ratio optional: 5.26 / 5.73 (5.73 recommended for mountain heavy load) ### CNG Cylinders - Standard multi-cylinder CNG bottle pack (8/10 bottles setup); bottle quantity customizable for longer range ### Frame, Suspension & Tires - Frame: Double reinforced beam 8+8mm, 300mm height - Suspension: Multi-leaf spring front, reinforced main & auxiliary leaf spring rear - Tires: 12.00R20 mine tire with 1 spare tire; 12R22.5 tubeless tire optional ### Cargo Box (U-type Tipper Body) - Reference box size: 5600×2300×1500mm, volume approx.19m³, custom size acceptable - Steel thickness: Floor 8mm, side 6mm, manganese steel - Lifting system: Central hydraulic lifting cylinder, stable performance ### Brake & Electrical - Brake: Dual-circuit air brake, spring energy parking brake; WABCO ABS optional - Steering: ZF steering gear - Battery: 2×12V 165Ah ### Optional items Oil bath air filter for dusty mine, heavy steel high bumper, different box capacity, custom painting