Overview
The Sinotruk Sitrak C7H 6×4 Tractor Truck is a flagship heavy-duty truck from Sinotruk’s premium Sitrak series, representing the pinnacle of Chinese heavy truck manufacturing with German MAN technology integration. Developed through a strategic cooperative agreement between Sinotruk and German MAN, the C7H series combines European engineering standards with proven reliability for demanding transportation applications .
The C7H 6×4 tractor is built on the original German MAN TG series vehicle technology, featuring identical product design, production assembly processes, and German standards in production conformity management, testing, validation, and product release. The parts purchasing system is synchronized with MAN, ensuring high reliability and quality .
Available with power outputs ranging from 310 to 540 horsepower, the C7H series serves diverse applications including long-haul logistics, port container transport, heavy equipment haulage, and specialized heavy-load operations. With its high-roof cab design, advanced suspension systems, and multiple emission compliance options (Euro III to Euro VI), the Sitrak C7H sets new benchmarks for operational efficiency and driver comfort in the heavy-duty truck segment .
Key Features
| Feature | Description |
| German MAN Technology | Based on original MAN TG series technology with synchronized parts purchasing system. Same product design and production assembly technology as MAN, ensuring world-class quality standards . |
| 540HP High-Performance Engine | Powered by Sinotruk MC13.54-50 engine delivering 540 horsepower (397 kW) and 2,500 N·m of peak torque. Provides exceptional power reserve for high-speed cruising and heavy-load climbing . |
| Wide Torque Range | Maximum torque available from 1,000 to 1,400 rpm, offering a broad economical operating range that optimizes fuel efficiency under various load conditions . |
| 6×4 Drive Configuration | Dual rear drive axles provide superior traction and load distribution, with total permissible load of 18,000 kg for the rear axle group. Ideal for heavy-haul applications . |
| ZF Transmission Options | Available with German ZF 16-speed manual transmission (ZF16S2530TO) or ZF 12-speed AMT, providing smooth shifting, high efficiency, and reduced driver fatigue . |
| Heavy-Duty Reinforced Version | Special heavy-load version features upgraded suspension: front axle upgraded from 4-leaf to 10-leaf springs; rear axles upgraded from 5-leaf to 12-leaf springs. Front axle design load increased to 9,000 kg (from 7,500 kg); rear axle group load reaches 32,000 kg . |
| Comprehensive Safety Systems | Equipped with ABS anti-lock braking system, with optional EBS, ASR (traction control), ESC (electronic stability control), and AEBS (automatic emergency braking). Standard EVB engine exhaust valve brake reduces brake wear on long downhill grades . |
| Driver Comfort Focus | High-roof cab with 4-point air suspension, adjustable air-suspended driver’s seat, built-in sleeper berth, and automatic climate control. Optional double sleeper configuration available for team driver operations . |
| Long Range Capability | Fuel tank capacity up to 1,260L provides extended range for long-haul operations, reducing refueling stops and improving operational efficiency . |
| High Durability Standards | Engine B10 life reaches 1.5 million kilometers; transmission and axle design life up to 1 million kilometers. Engine oil change interval up to 80,000 kilometers . |
| Low Fuel Consumption | Minimum specific fuel consumption of only 186 g/kWh, delivering excellent fuel economy under standard load conditions . |
Specifications with Explanation
Basic Specifications
| Parameter | Specification | Explanation |
| Model Designation | ZZ4256V324HE1B / ZZ4256V324HD1B | Official chassis model codes for 6×4 drive configuration tractors. Different variants correspond to specific transmission types and emission standards . |
| Drive Configuration | 6×4 | Three-axle layout with single front steering axle and dual rear drive axles. Provides superior traction for heavy loads and challenging road conditions . |
| Overall Dimensions (L×W×H) | 6,895-7,095 × 2,496-2,550 × 3,290-3,900 mm | Length approximately 6.9-7.1 meters, width approximately 2.5-2.55 meters. High-roof models offer increased interior space . |
| Wheelbase | 3,200+1,400 mm | Standard wheelbase design with 3,200mm between front axle and first rear axle, 1,400mm between rear axles. Ensures stability and maneuverability . |
| Minimum Turning Radius | 7.5 meters | Exceptional maneuverability for a heavy-duty 6×4 truck, allowing easy navigation in narrow construction sites and urban environments . |
| Curb Weight | 8,800 kg | Lightweight design maximizes payload capacity while maintaining structural integrity . |
| Gross Vehicle Weight | 25,000 kg | Maximum vehicle weight for the tractor unit . |
| Gross Combination Weight | 40,000 kg | Maximum towing capacity of 40 tons for standard heavy-haul logistics operations . |
| Maximum Speed | 101-110 km/h | Speed varies by configuration and market regulations . |
Engine Specifications
| Parameter | Specification | Explanation |
| Engine Model | MC13.54-50 / MC13.54-61 | Sinotruk MAN technology inline 6-cylinder diesel engine developed with German MAN . |
| Displacement | 12.419 L | Large displacement provides excellent power reserve and torque characteristics . |
| Maximum Horsepower | 540 HP (397 kW) | Class-leading power output for heavy-haul applications . |
| Maximum Torque | 2,500 N·m | High torque output ensures strong pulling power under full load conditions . |
| Torque RPM Range | 1,000 - 1,400 rpm | Wide economical RPM range optimizes fuel efficiency during highway cruising . |
| Minimum Specific Fuel Consumption | 186 g/kWh | Industry-leading fuel efficiency, reducing operating costs . |
| Emission Standards | Euro III / Euro V / Euro VI (China VI) | Available in multiple emission compliance options for different market requirements . |
| Engine B10 Life | 1,500,000 km | High durability standard ensuring long service life and lower total cost of ownership . |
| Oil Change Interval | 80,000 km | Extended maintenance intervals reduce downtime and service costs . |
| Fuel Type | Diesel / CNG (optional) | Diesel standard; LNG/CNG versions available for markets with natural gas infrastructure . |
Transmission Specifications
| Parameter | Manual Version | AMT Version |
| Transmission Model | ZF16S2530TO / ZF16S2230TO | ZF12TX2621TD |
| Transmission Brand | ZF (ZF Friedrichshafen) | ZF (ZF Friedrichshafen) |
| Number of Gears | 16 forward + 2 reverse | 12 forward + 2 reverse |
| Shift Method | Manual | AMT (Automated Manual Transmission) |
| Features | Twin-countershaft design, high load capacity | Intelligent shift strategy, reduced driver fatigue |
Chassis & Drivetrain
| Parameter | Standard Version | Heavy-Duty Version | Explanation |
| Front Axle Model | HF7 / HR9 | HR9 | 7.5-9.0 ton capacity with disc brakes . |
| Front Axle Permissible Load | 7,500 kg | 9,000 kg | Heavy-duty version increased by 1,500 kg . |
| Rear Axle Model | MCY13Q / MCP16 | MCP16 (16T×2) | Double reduction axle (central reduction + wheel reduction) . |
| Rear Axle Permissible Load | 18,000 kg (tandem) | 32,000 kg (tandem) | Heavy-duty version significantly upgraded for extreme loads . |
| Rear Axle Ratios | 3.08 / 3.82 / 4.11 / 4.57 / 4.77 / 5.46 | 4.77 | Lower ratios for highway fuel economy; higher ratios for climbing power . |
| Front Suspension | 4-leaf parabolic springs | 10-leaf springs | Heavy-duty version with reinforced springs for higher load capacity . |
| Rear Suspension | 5-leaf parabolic springs | 12-leaf springs | Heavy-duty version with enhanced load capacity . |
| Suspension Type | Leaf spring | Multi-leaf spring / Air suspension optional | Standard leaf spring; air suspension available for sensitive cargo . |
| Frame | MAN technology high-strength ladder frame | Reinforced heavy-duty frame | High-strength alloy steel with excellent torsional rigidity . |
| Fifth Wheel | 90# JOST | 90# heavy-duty | Standard 90mm kingpin coupling with high load capacity . |
Tires & Brakes
| Parameter | Specification | Explanation |
| Tire Specifications | 12.00R20 / 12R22.5 / 315/80R22.5 / 295/80R22.5 | Steel-belted radial tires for durability; tubeless options for highway use . |
| Number of Tires | 10 (including spare) | Standard configuration for 6×4 tractors . |
| Brake System | Independent dual-circuit pneumatic brake system | Provides reliable stopping power and redundancy . |
| Auxiliary Braking | EVB engine exhaust valve brake (standard) | Reduces brake wear and provides controlled descent on steep grades . |
| Front Brakes | Disc brake | Superior heat dissipation and braking performance . |
| Rear Brakes | Drum / Disc (varies by configuration) | Reliable braking with ABS integration . |
| Safety Electronic Systems | ABS standard; optional EBS, ASR, ESC, AEBS | Comprehensive active safety features for stability and emergency response . |
Cab & Comfort
| Parameter | Specification | Explanation |
| Cab Type | C7H-G high-roof / C7H-P standard / C7H-H high-roof with double bunk | High-roof models offer spacious interior with standing room . |
| Cab Suspension | 4-point air suspension | Effectively filters road vibrations, reducing driver fatigue . |
| Driver Seat | Adjustable air-suspended seat | Absorbs road vibrations, reduces fatigue on long journeys . |
| Sleeper Berth | Single or double bunk (800mm width) | Comfortable rest area for team drivers or overnight stays . |
| Passenger Capacity | 2-3 persons | Semi-high roof cab design with rear rest area . |
| Air Conditioning | Automatic climate control | Maintains optimal cabin temperature regardless of external conditions . |
| Power Windows | Standard | Convenient operation . |
| Instrument Panel | Digital display with GPRS management system | Advanced vehicle information display and fleet management capabilities . |
Fuel & Capacity
| Parameter | Specification | Explanation |
| Fuel Tank Capacity | 600L / 1,100L / 1,260L | Large capacity aluminum fuel tanks provide extended range . |
| Estimated Range | 1,800-2,500 km (with 1,260L tank) | Based on typical fuel consumption under standard load conditions . |
Applications
| Application | Suitability |
| Long-Haul Logistics | 540HP power output provides ample reserve for highway cruising. Combined with 1,260L fuel tank, high-roof sleeper cab, and optional AMT transmission, ideal for cross-country freight operations. Recommended configuration: 3.08-3.82 ratio + ZF transmission + 12R22.5 tubeless tires . |
| Heavy-Duty Haulage (Steel, Cement, Equipment) | Heavy-duty reinforced version with upgraded suspension (10-leaf front, 12-leaf rear), 9,000 kg front axle load, and 32,000 kg rear axle group load. 4.77 rear axle ratio increases wheel-end torque output for superior pulling power. Ideal for steel, cement, construction materials, and heavy equipment transport . |
| Port Container Transport | 6×4 drive configuration and robust chassis handle frequent stop-start port operations efficiently. Optional right-hand drive available for markets with left-hand traffic regulations. Strong torque output easily handles loaded container hauling . |
| Construction & Mining Operations | Heavy-duty version with reinforced frame and suspension, plus 7.5m minimum turning radius, provides excellent maneuverability in narrow construction sites and quarry environments. Multi-leaf springs handle rough terrain conditions . |
| Temperature-Controlled Logistics | Advanced cab air suspension and optional air ride suspension provide excellent ride quality for sensitive refrigerated cargo. Large fuel tank ensures uninterrupted cold chain operations. Spacious sleeper cab supports team driver operations . |
| Bulk Cargo Transfer | Reliable powertrain and durable chassis components suit coal, grain, sand, and other bulk material transport. Multiple axle ratio options allow optimization for different route conditions . |
| Tipper/Dump Operations | C7H 6×4 tipper configuration available for earthmoving, quarry, and civil construction applications. Heavy-duty frame and suspension designed for dump body installation . |
| CNG/LNG Alternative Fuel Operations | Natural gas versions available for markets with gas infrastructure, offering lower fuel costs and reduced emissions . |
Comparison Table
| Configuration | Standard Logistics Edition | Long-Haul Premium Edition | Heavy-Duty Edition |
| Model Designation | ZZ4256V324HD1B | ZZ4256V324HE1B | Custom heavy-duty configuration |
| Engine | MC13.54-50 (540HP) / MC11.44-40 (440HP) | MC13.54-61 (540HP) | MC11.46-60 (460HP) |
| Emission Standard | Euro V / China V | Euro VI / China VI | Euro V / Euro III |
| Transmission | ZF16S2230TO (16-speed manual) | ZF12TX2621TD (12-speed AMT) | ZF16S2530TO (16-speed manual) |
| Rear Axle Ratio | 3.08 - 3.82 | 2.85 - 3.08 | 4.11 - 4.77 |
| Front Axle Load | 7,500 kg | 7,500 kg | 9,000 kg |
| Rear Axle Group Load | 18,000 kg | 18,000 kg | 32,000 kg |
| Front Suspension | 4-leaf parabolic springs | 4-leaf parabolic springs | 10-leaf springs |
| Rear Suspension | 5-leaf springs | Air suspension (optional) | 12-leaf springs |
| Tires | 12R22.5 tubeless | 315/80R22.5 tubeless | 12.00R20 steel-belted |
| Fuel Tank | 600L aluminum | 1,100-1,260L aluminum | 600L steel |
| Cab | C7H-P high-roof, single bunk | C7H-H high-roof, double bunk, premium interior | C7H-G standard cab, heavy-duty trim |
| Safety Features | ABS, EVB | ABS, EBS, ASR, ESC, AEBS, EVB | ABS, ASR, EVB |
| Minimum Turning Radius | 7.5 m | 7.5 m | 7.5 m |
| Recommended Use | General logistics, port transport, mixed routes | Long-haul premium freight, cold chain, time-sensitive cargo | Steel transport, heavy equipment, mining, construction |
Note: Specifications are subject to actual vehicles. Custom configurations available based on customer requirements .
Buying Guide
1. Select Configuration Based on Operating Conditions
| Condition Type | Recommended Configuration | Explanation |
| Highway Long-Haul (≥1,000km) | 2.85-3.08 ratio + ZF AMT + 1,100-1,260L tank + high-roof sleeper cab | Optimizes fuel economy, reduces driver fatigue, provides maximum range . |
| Mixed Regional Routes | 3.08-3.82 ratio + 16-speed manual + 600L tank + standard cab | Balanced performance for varied routes with good versatility . |
| Heavy-Duty/Construction | Heavy-duty version: 4.77 ratio + 16-speed manual + 12.00R20 tires + reinforced suspension | Enhanced climbing capability and durability for extreme loads . |
| Sensitive/Fragile Cargo | Air suspension + AMT transmission + disc brakes | Provides smooth ride quality, reduces cargo damage . |
| Port/Drayage Operations | Standard ratio + manual transmission + optional right-hand drive | Cost-effective configuration for frequent stop-start operations . |
2. Powertrain Selection
Engine Power Options:
440 HP (MC11.44-40): Suitable for standard load logistics, fuel economy optimized
460 HP: Balanced performance for mixed conditions, heavy-duty version available
540 HP (MC13.54-50/61): Maximum power for high-speed operations and demanding grades
Transmission Selection:
| Transmission Type | Features | Suitable Applications |
| ZF 16-Speed Manual | 16 forward gears, twin-countershaft design, proven reliability | Traditional logistics, experienced drivers, heavy-load transport |
| ZF 12-Speed AMT | Automated shifting, intelligent shift strategy, reduced fatigue | Long-haul fleets, driver comfort focus, fuel efficiency priority |
Rear Axle Ratio Selection:
2.85-3.08: Highway fuel economy optimization, long-haul operations
3.82-4.11: Balanced performance for mixed routes
4.57-4.77: Heavy-duty and mountainous terrain, maximum wheel-end torque
3. Cab Selection
Long-Haul Operations: Select C7H-H high-roof cab with double bunk for team driver operations or extended overnight stays. Features premium air-suspended seat, automatic climate control, and ample storage .
Regional/Short-Haul: C7H-P standard high-roof cab with single bunk is sufficient, reducing initial purchase cost .
Heavy-Duty Applications: C7H-G cab with durable interior trim for rugged working environments .
4. Emission Standard Selection
| Emission Standard | Applicable Markets | Description |
| Euro VI / China VI | China domestic, Europe, strict environmental regions | Required for domestic registration in China. Features advanced SCR+DPF after-treatment . |
| Euro V | Export markets (Southeast Asia, Africa, Middle East, South America) | Suitable for markets with moderate environmental requirements . |
| Euro III | Select export markets | For regions with less stringent emission requirements; cannot be registered in China . |
Important: Euro VI/China VI models are required for domestic registration in China. Euro V and lower emission models cannot be registered in China and are for export only.
5. Fuel Tank Capacity Selection
| Capacity | Estimated Range | Suitable Applications |
| 600L | 1,200-1,500 km | Regional transport, short-haul, daily return routes |
| 1,100-1,260L | 2,100-2,500 km | Long-haul cross-country operations, remote routes |
6. Suspension Selection
| Suspension Type | Features | Applications |
| Standard Leaf Spring (4/5-leaf) | Good load capacity, lower cost, proven reliability | General cargo, bulk materials, mixed routes |
| Heavy-Duty Multi-Leaf (10/12-leaf) | Maximum load capacity, enhanced durability | Heavy equipment haulage, mining, construction |
| ECAS Air Suspension (Optional) | Height adjustable, superior comfort, cargo protection, simplified trailer connection | Sensitive cargo, tanker operations, frequent trailer swapping |
7. New vs. Used Vehicle Purchasing Considerations
New Vehicles: Full warranty coverage, latest emission standards, current technology features. New Sitrak C7H 6×4 tractors are priced from approximately $46,800 to $60,000 depending on configuration and market .
Used Vehicles: Lower initial purchase price (used 2023 models from approximately €16,359 / $18,000). Inspect service history, engine condition, transmission wear, axle condition, frame integrity .
Used Vehicle Inspection Checklist:
Engine start-up condition, idle stability, exhaust smoke, unusual noises
Transmission shift smoothness; AMT models verify shift logic
Rear axle gear clearance, driving noise, differential lock function
Frame for deformation or welding repair signs
Tire wear patterns
Maintenance records and mileage verification
8. Export Purchase Special Considerations
The Sitrak C7H is a popular export model with established sales networks in Africa, Southeast Asia, the Middle East, South America, and Australia .
Confirm destination country driving position requirements (LHD/RHD). RHD configurations available for Australia, Southeast Asia, and other left-hand traffic markets .
Understand destination country certification requirements (GCC, SONCAP, EAC, etc.) .
Confirm packaging and shipping methods (container, RoRo, bulk vessel). Standard export packaging includes anti-corrosion waxing and secure tie-downs .
Delivery & Certification
Delivery Information
| Delivery Type | Details |
| Domestic Delivery (China) | Typically ready for pickup within 15-30 business days after order confirmation. Customized configurations may require longer lead times. Logistics delivery available . |
| Export Delivery | FOB (Qingdao Port, Shanghai Port, Tianjin Port) or CIF terms supported. Multiple shipping methods: container, bulk vessel, flat rack, RoRo (roll-on/roll-off) . |
| Packaging | Vehicles prepared according to marine standards with anti-corrosion treatment, moisture-proof protection (waxing), and secure tie-downs. Nude packaging standard; custom packaging available . |
| Lead Time | Export orders typically require 20-45 days preparation depending on order quantity and configuration . |
Certifications
| Certification Type | Details |
| Domestic Certification | CCC (China Compulsory Certification) compliant. Meets national vehicle registration and environmental standards for China domestic market . |
| International Certification Support | Certification assistance available based on destination country requirements: |
| - GCC Certification (Gulf Cooperation Council countries) |
| - SONCAP Certification (Nigeria and select African markets) |
| - EAC Certification (Eurasian Economic Union: Russia, Kazakhstan, Belarus, etc.) |
| - ISO 9001 Quality Management System Certification |
| - DOT Certification (select markets) |
| Emission Compliance | Euro III / Euro V / Euro VI (China VI) options available with corresponding compliance documentation . |
