Product

SINOTRUK HOWO 6×4 Tractor Head with Knuckle Boom Crane
SINOTRUK HOWO 6×4 Tractor Head with Knuckle Boom Crane
| Item | Detailed Specifications |
|---|---|
| Basic Vehicle Information | |
| Model | HOWO 6×4 Tractor Chassis (Knuckle Boom Crane Optional) |
| Emission Standard | Euro III (China III) |
| Cab | HW76 Single-Sleeper Cab, Four-Point Floating Suspension, Manual Hydraulic Tilting, 2 Seats |
| Drive Type | 6×4 (Dual Rear Drive) |
| Wheelbase | 3825+1350 mm |
| Overall Dimensions | 7450 × 2496 × 3450 mm |
| Chassis Curb Weight | 8200 kg (Bare Chassis, Excluding Crane and Fifth Wheel) |
| Gross Combination Weight | 40000 kg |
| Maximum Speed | 85 km/h |
| Engine | |
| Model | D12.48-30 (Original SINOTRUK) |
| Horsepower / Power | 480 HP / 353 kW |
| Displacement | 11.96 L, Inline 6-Cylinder Diesel |
| Maximum Torque | 1900 N·m @ 1200-1500 rpm |
| Fuel Injection System | Mechanical Pump + EGR, Without SCR Urea Aftertreatment System (Euro III) |
| PTO Interface | Transmission-Side PTO (Standard, Used to Drive the Hydraulic Pump of a 20-Ton Knuckle Boom Crane) |
| Transmission & Drivetrain | |
| Transmission Model | HW20716A SINOTRUK 16-Speed Manual Transmission, With High/Low Range |
| Forward / Reverse Gears | 16 Forward, 2 Reverse |
| Clutch | 430 mm Diaphragm Spring Clutch |
| Front Axle | 9-Ton Steering Axle |
| Rear Axle | 16-Ton Tandem Rear Axles With Double Reduction |
| Rear Axle Ratio | 4.42 (Standard for Heavy-Duty Crane Application; Optional 4.8 / 5.73) |
| Suspension | Front 9-Leaf Spring, Rear 12-Leaf Main and Auxiliary Spring (Reinforced Version, Specially Designed for Knuckle Boom Crane Installation) |
| Braking System | |
| Brake Type | Air Brake, Drum Brake |
| ABS | Domestic ABS (Standard for Export) |
| Parking Brake | Spring Brake |
| Fuel Tank & Tires | |
| Fuel Tank | 400 L Aluminium Alloy Fuel Tank |
| Tire Size | 12.00R20-18PR Steel Radial Tires, 10 Tires (Including Spare Tire) |
| Wheel Rim | 8.5-20 Steel Rim |
| Fifth Wheel | Standard 90# Fifth Wheel (Can Be Removed to Provide Installation Space for the Knuckle Boom Crane) |
| Electrical System & Interior | |
| Voltage | 24V, 2 × 150Ah Batteries |
| Air Conditioning | Original Manual Air Conditioning |
| Seat | Mechanical Suspension Driver Seat |
| Rearview Mirrors | Split-Type Outward-Extending Rearview Mirrors |
| Optional Configuration (Important for Knuckle Boom Crane Installation) | |
| ✅ Required | Transmission-Side PTO (For Driving the Crane Hydraulic Pump) |
| Optional | RHD, Aluminium Alloy Protection, Fuel-Water Heater, Remote Engine Oil Filter |
| Not Selected | Fifth Wheel (Remove the Fifth Wheel When Installing the Knuckle Boom Crane) |
| Item | Specification |
|---|---|
| Model | HCZ420 (400 kN·m, 20-Ton Knuckle Boom Crane) |
| Maximum Lifting Capacity | 20 t @ 2 m (Full 20-ton capacity only at a close working radius of 2 m) |
| Maximum Lifting Moment | 400 kN·m (40 t·m) |
| Number of Telescopic Boom Sections | Standard 6-section telescopic boom; optional 5-section / 7-section boom |
| Maximum Working Radius | 6-section boom: 16.8 m; 5-section boom: 13.3 m; 7-section boom: 18.2 m |
| Maximum Lifting Height | 6-section boom: 18.5 m (Measured from the crane support surface) |
| Boom Angle | -15° to +80° (Supports negative-angle downward lifting) |
| Slewing Mechanism | 360° continuous rotation; hydraulic slewing motor + planetary gear reducer (not an electric motor); high-torque piston-type slewing motor; slewing speed 1.2–1.5 r/min |
| Crane Weight | Standard 6-section boom: 5500 kg (Crane only, excluding chassis) |
| System Pressure | 31 MPa (310 bar) |
| System Flow Rate | 63 L/min (Hydraulic pump driven by chassis PTO) |
| Hydraulic Pump | Standard gear pump; optional imported piston pump |
| Valve Block | Domestic proportional valve; optional imported HYDAC / HAWE proportional valve |
| Outrigger Type | H-type four outriggers, two-stage telescopic; fully extended span 7.48 m |
| Installation Width | 1480 mm |
| Hydraulic Oil Tank | 200 L |
| Winch | Hydraulic winch, 12-ton winch; φ14 mm wire rope; 20-ton hook |
| Operation Method | Standard manual control levers on both sides; optional wireless remote control |
| Safety Configuration | Load moment limiter, overload protection, height limit, outrigger position detection |
| Boom Material | Slewing platform: BS700 high-strength steel; telescopic boom: BS960 high-strength steel |
| Optional Dual Power System (External Electric Motor) | 15 kW 380 V three-phase asynchronous motor, connected to external industrial power; allows operation without running the engine when parked (optional, not standard) |
Truck



