Sinotruk 6×4 tractor head is a high-power diesel prime mover, dependable for hauling heavy-duty loads such as containers and bulk cargo.
| Basic Specifications | Model | HOWO ZZ4257V3247N1B (example for reference, varies by configuration) |
| Brand | SINOTRUK HOWO | |
| Drive Configuration | 6×4 (4 rear driving wheels, 2 front steering wheels) | |
| Cab Type | HW76 High-roof Sleeper Cab (with sleeping berth and enhanced comfort features) | |
Engine Details | Engine Model | Weichai WP10.380E32 / WP12 Series (or MAN technology-derived engines for premium versions) |
| Displacement | WP10: ~9.726L WP12: ~11.596L | |
| Rated Power | 380 HP (at 2200 rpm, adjustable to 340HP/420HP etc. for different models) | |
| Maximum Torque | WP10: ~1600 N·m (at 1200–1600 rpm) WP12: ~2100 N·m (at 1200–1600 rpm) | |
| Emission Standard | Euro III / Euro IV / Euro V (customizable based on market requirements) | |
| Fuel Type | Diesel | |
| Transmission System | Transmission Model | SINOTRUK HW19710 (10-speed manual gearbox) / Optional ZF Automatic Transmission (for advanced models) |
| Number of Gears | 10 forward + 2 reverse gears | |
| Clutch | Dry single-disc clutch, hydraulic operation with clutch booster | |
| Front Axle | HF7 Reinforced Forged Front Axle Load Capacity: ~7,000 kg | |
| Rear Axle | HC16 Double Drive Axle (heavy-duty reinforced) Total Load Capacity for Dual Rear Axles: ~18,000 kg | |
| Suspension | Front: Multi-leaf spring suspension with shock absorbers Rear: Multi-leaf spring suspension (air suspension optional for some configurations) | |
| Tire Specification | 12.00R20 (radial tire, optional sizes like 315/80R22.5) | |
| Number of Tires | 10 (including spare tire) | |
Dimensions & Weight | Overall Dimensions (L × W × H) | ~6,980 mm × 2,496 mm × 3,990 mm (varies by cab height and additional equipment) |
| Wheelbase | ~3,300 mm + 1,800 mm (distance between front axle and first rear axle + distance between two rear axles) | |
| Curb Weight | ~8,800 kg – 9,500 kg (depending on components and materials) | |
| Gross Vehicle Weight (GVW) | Up to 40,000 kg (compliant with road regulations for heavy-duty tractors) | |
| Performance & Auxiliary Systems | Maximum Speed | ~85 – 95 km/h (governed by engine power and gear ratio) |
| Fuel Tank Capacity | 400 L – 1,000 L (multiple tank options for long-haul operations) | |
| Steering System | Hydraulic power steering (low-effort, responsive for large vehicle control) | |
| Braking System | Dual-circuit air brake with ABS (Anti-lock Braking System) for enhanced safety | |
| Electrical System | 24V DC, dual maintenance-free batteries |
