Overview
The Sinotruk Sitrak G7 540HP 6×4 Tractor is a premium heavy-duty truck from Sinotruk's flagship Sitrak series, representing the pinnacle of Chinese heavy-duty truck manufacturing with German MAN technology. Designed for demanding long-haul logistics, heavy-load transportation, and high-efficiency operations, the G7 combines exceptional power output with driver-centric comfort and advanced safety features.
Powered by the Sinotruk MC series engine delivering 540 horsepower and 2,500 N·m of torque, the G7 is engineered for superior performance under full load conditions. The 6×4 drive configuration provides optimal traction and stability, making it suitable for highway freight, port container transport, and heavy machinery haulage. With its high-roof flat-floor cab featuring 1.95m interior height, advanced suspension systems, and Euro 5/Euro 6 emission compliance, the Sitrak G7 sets a new benchmark for operational efficiency and driver comfort in the heavy-duty truck segment .
Key Features
| Feature | Description |
| 540HP High-Performance Engine | Powered by Sinotruk MC13.54-50, MC13.54-61, or MC13H.54-61 engine, delivering 400kW maximum output with peak torque of 2,500 N·m. Provides exceptional power reserve for high-speed cruising and heavy-load climbing . |
| 2,500 N·m Maximum Torque | Class-leading torque output with wide economical RPM range (1,000-1,400 rpm), ensuring strong pulling power for heavy loads and steep grades . |
| MAN Technology Platform | Built on advanced German MAN technology, the G7 series combines rigorous quality control with proven engineering standards, ensuring high reliability and long service life . |
| 6×4 Drive Configuration | Dual rear drive axles provide superior traction and load distribution, with a gross combination weight capacity of 40 tons for the tractor unit. Ideal for heavy-haul applications . |
| Advanced Transmission Options | Available with Sinotruk HW series 12-speed or 16-speed manual transmissions, as well as 16-speed AMT (HW25716XACL) with integrated hydraulic retarder for reduced driver fatigue and improved safety . |
| Premium Driver Comfort | High-roof flat-floor cab with 1.95m interior height, four-point air suspension, air-suspended driver's seat, automatic climate control, and 850mm wide sleeper berth. Optional 12.3-inch LCD instrument panel and 10-inch center touchscreen . |
| Enhanced Safety Systems | Equipped with ABS anti-lock braking system, EBS (electronic braking system), ESC (electronic stability control), LDWS (lane departure warning), FCWS (forward collision warning), and optional hydraulic retarder . |
| Long Range Capability | Large capacity fuel tank up to 1,100L provides extended range for long-haul operations, reducing refueling stops and improving operational efficiency . |
| Durable Chassis Components | Features MAN technology axles with 7.1-ton front axle (disc brake) and 18-ton rear axles, 2/3 parabolic leaf springs or optional air suspension, and 50# JOST fifth wheel coupling . |
Specifications with Explanation
Basic Specifications
| Parameter | Specification | Explanation |
| Model Designation | ZZ4256W324HF1B / ZZ4256V324HF1B | Official chassis model codes for 6×4 drive configuration tractors. Different variants correspond to specific transmission types and optional equipment . |
| 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) | 6,925 × 2,496 × 3,290 mm | Length approximately 6.93 meters, width approximately 2.5 meters, height varies by cab configuration. High-roof models offer increased interior space . |
| Wheelbase | 3,225+1,350 mm / 3,400+1,400 mm | Standard wheelbase design ensures stability and maneuverability. Variants available for different applications . |
| Curb Weight | 8,800 kg | Lightweight design maximizes payload capacity while maintaining structural integrity . |
| Gross Combination Weight | 40,000 kg (tractor unit) | Maximum towing capacity of 40 tons for standard heavy-haul logistics operations . |
| Maximum Speed | 110 km/h | Speed governed according to market regulations . |
Engine Specifications
| Parameter | Specification | Explanation |
| Engine Model | MC13.54-50 / MC13.54-61 / MC13H.54-61 | Sinotruk MAN technology inline 6-cylinder diesel engine . |
| Displacement | 12.419L (MC13) / 13.02L (MC13H) | Large displacement provides excellent power reserve and torque characteristics . |
| Maximum Horsepower | 540 HP (400 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 . |
| Emission Standards | Euro 5 / Euro 6 (China VI) | Available in multiple emission compliance options. Euro 6 variants feature advanced SCR after-treatment systems . |
| Fuel Type | Diesel | Standard diesel configuration for maximum range and refueling convenience . |
Transmission Specifications
| Parameter | Manual Version | AMT Version |
| Transmission Model | HW25716XSTCL | HW25716XACL |
| Transmission Brand | Sinotruk | Sinotruk |
| Number of Gears | 16 forward + 2 reverse | 16 forward + 2 reverse |
| Shift Method | Manual | AMT (Automated Manual Transmission) |
| Special Features | Twin-countershaft design | Integrated hydraulic retarder, 2-pedal operation |
Chassis & Drivetrain
| Parameter | Specification | Explanation |
| Front Axle | 7.1-ton MAN technology (disc brake) | Heavy-duty front axle with disc brakes for reliable stopping power . |
| Rear Axle | MAN 12-ton / MCY12BGS / MCY13 disc | Dual rear axles with total permissible load of 18,000 kg . |
| Available Axle Ratios | 2.71, 2.85, 3.08, 3.36, 3.7, 4.11 | Lower ratios optimize highway fuel economy; higher ratios enhance climbing capability. 2.71 ratio standard for highway efficiency . |
| Suspension System | 2/3 parabolic leaf springs (standard) / Air suspension (optional) | Front: 2 parabolic leaf springs. Rear: 3-leaf springs. Optional ECAS air suspension provides adjustable ride height and enhanced comfort . |
| Frame | MAN technology high-strength ladder frame | Provides excellent torsional rigidity and load-carrying capacity . |
| Fifth Wheel | 50# JOST | Standard 50mm kingpin coupling with high load capacity and wide compatibility . |
Tires & Brakes
| Parameter | Specification | Explanation |
| Tire Specifications | 12R22.5 18PR (standard) / 12.00R20 (optional) | Tubeless radials offer lower rolling resistance for highway use. Steel-belted options provide enhanced durability . |
| Number of Tires | 10 (including spare) | Standard configuration for 6×4 tractors . |
| Front Brakes | Disc | Disc brakes provide superior heat dissipation and stopping power . |
| Rear Brakes | Drum / Disc (varies by configuration) | Reliable braking performance with EBS and ABS integration . |
| Auxiliary Braking | Hydraulic retarder (standard on AMT models) | Reduces brake wear and provides controlled descent on steep grades . |
Cab & Comfort
| Parameter | Specification | Explanation |
| Cab Type | High-roof flat-floor | 1.95m interior standing height provides comfortable living space for drivers . |
| Cab Suspension | 4-point air suspension | Effectively filters road vibrations, reducing driver fatigue . |
| Driver Seat | Air-suspended with heating/ventilation (optional) | Premium comfort for long-haul operations . |
| Sleeper Berth | 850mm wide | Comfortable rest area for team drivers or overnight stays . |
| Climate Control | Automatic air conditioning | Maintains optimal cabin temperature regardless of external conditions . |
| Instrument Panel | 12.3-inch LCD (optional) | Digital display provides clear vehicle information and enhances driving experience . |
| Infotainment | 10-inch center touchscreen (optional) | Navigation, entertainment, and vehicle information integration . |
Fuel & Capacity
| Parameter | Specification | Explanation |
| Fuel Tank Capacity | 1,100L (standard) / 800L (optional) | Large capacity aluminum fuel tank provides extended range for long-haul operations . |
| Estimated Range | 2,100-2,400 km (with 1,100L 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 at legal speeds. Combined with 1,100L fuel tank, comfortable high-roof sleeper cab, and optional AMT transmission, ideal for cross-country freight operations. Recommended configuration: 2.71-3.08 gear ratio + AMT transmission + 12R22.5 tubeless tires . |
| Port Container Transport | 6×4 drive configuration and robust chassis handle frequent stop-start port operations efficiently. Optional air suspension simplifies trailer connection and reduces cargo damage. Strong torque output easily handles loaded container hauling . |
| Heavy Equipment Haulage | 540HP engine delivers 2,500 N·m torque output. Optional large gear ratio axles (3.7-4.11) provide superior pulling power for excavators, bulldozers, and other heavy machinery . |
| Temperature-Controlled Logistics | Advanced cab suspension and optional air suspension provide excellent ride quality for sensitive cargo. Large fuel tank ensures uninterrupted operation for refrigerated transport. Spacious sleeper cab supports multi-driver operations . |
| Bulk Cargo Transfer | Reliable powertrain and durable chassis components suit coal, grain, sand, steel, and other bulk material transport . |
| Construction & Mining Support | Heavy-duty suspension options, differential locks, and robust chassis make this model suitable for demanding off-road conditions in construction and mining applications . |
Comparison Table
| Configuration | Standard (Logistics Edition) | Premium (Long-Haul Edition) | Heavy-Duty (Construction/Mining Edition) |
| Engine | MC13.54-50 (540HP) | MC13H.54-61 (540HP) | MC13.54-50 (540HP) |
| Emission Standard | Euro 5 / China V | Euro 6 / China VI | Euro 5 |
| Transmission | HW25716XSTCL (16-speed manual) | HW25716XACL (16-speed AMT with retarder) | HW25712XSTCL (12-speed manual) |
| Rear Axle Ratio | 3.08 - 3.36 | 2.71 - 2.85 | 3.70 - 4.11 |
| Tires | 12R22.5 tubeless | 12R22.5 tubeless | 12.00R20 steel-belted |
| Suspension | 2/3 parabolic leaf springs | ECAS air suspension | 3/5 multi-leaf springs |
| Fuel Tank | 800L aluminum | 1,100L aluminum | 600L steel |
| Cab Features | High-roof, air suspension seat, auto A/C | High-roof flat-floor, premium air seat, 12.3" LCD, 10" screen, heated/ventilated seat | High-roof, durable trim, manual A/C |
| Safety Features | ABS, EBS, ESC | ABS, EBS, ESC, LDWS, FCWS, radar cruise, retarder | ABS, EBS, ESC, differential locks |
| Recommended Use | General logistics, port transport | Long-haul premium freight, temperature-controlled logistics | Heavy equipment haulage, mining, construction sites |
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) | 2.71-2.85 gear ratio + 16-speed AMT + 1,100L tank + air suspension + high-roof sleeper cab | Optimizes fuel economy, reduces driver fatigue, provides maximum range. AMT improves efficiency and comfort on long routes . |
| Mixed Regional/Short-Haul | 3.08-3.36 gear ratio + 16-speed manual + 800L tank + leaf spring suspension | Balanced performance for varied routes. Standard configuration offers good versatility at lower cost . |
| Heavy Load/Mountainous Terrain | 3.70-4.11 gear ratio + 12-speed manual + steel-belted tires + multi-leaf springs | Enhances climbing capability and durability. Suitable for high gross weights and steep grades . |
| Sensitive/Fragile Cargo | Air suspension + AMT transmission + disc brakes | Provides smooth ride quality, reduces cargo damage. Ideal for electronics, glass, and temperature-controlled goods . |
| Port/Drayage Operations | Standard gear ratio + manual transmission + air suspension | Air suspension simplifies trailer connection. Manual transmission offers lower initial cost . |
2. Cab Selection
Long-Haul Operations: Select high-roof flat-floor cab with sleeper berth, premium air suspension seat, and automatic climate control. The 1.95m interior height provides comfortable living space for drivers on extended routes .
Short-Haul/Regional Operations: Standard high-roof cab with basic comfort features is sufficient, reducing initial purchase cost.
3. Transmission Type Selection
| Transmission Type | Features | Suitable Applications |
| 16-Speed Manual (HW25716XSTCL) | 16 forward gears, twin-countershaft design, proven reliability, lower cost | General logistics, heavy-load transport, operators with experienced drivers |
| 16-Speed AMT (HW25716XACL) | Automated shifting, reduced driver fatigue, integrated hydraulic retarder, optimal fuel efficiency | Long-haul logistics, fleets prioritizing driver comfort and safety |
4. Emission Standard Selection
| Emission Standard | Applicable Markets | Description |
| Euro 6 / China VI | Mainland China, Europe, strict environmental regions | Meets current domestic registration requirements in China. Equipped with advanced SCR+DPF after-treatment systems . |
| Euro 5 | Export markets (Southeast Asia, Africa, Middle East, South America) | Suitable for markets with moderate environmental requirements. Lower initial cost . |
Important: China VI/Euro 6 models are required for domestic registration in China. Euro 5 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 | 1,200-1,400 km | Regional transport, short-haul operations, daily return routes |
| 800L | 1,600-1,900 km | Medium-haul routes, 1-2 days between refueling |
| 1,100L | 2,100-2,400 km | Cross-country long-haul operations, remote routes with limited refueling infrastructure |
6. Suspension Selection
| Suspension Type | Features | Applications |
| 2/3 Parabolic Leaf Springs | Standard configuration, good load capacity, lower cost, lower tare weight | General cargo, bulk materials, mixed routes |
| ECAS Air Suspension | Adjustable ride height, superior comfort, reduced cargo damage, 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, higher initial investment. New Sitrak G7 540HP tractors are priced from approximately 395,000 to 457,200 RMB depending on configuration .
Used Vehicles: Lower purchase price (starting from $18,000-$25,000), established reliability reputation. Verify service history, inspect engine condition, transmission wear, axle condition, frame integrity .
Export Considerations: China has established used commercial vehicle export channels, with Sitrak G7 being a popular export model .
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, and secure tie-downs. Complete export documentation provided. |
| Lead Time | Export orders typically require 15-45 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 |
| - Euro 5 / Euro 6 compliance verification |
