Overview
Dongfeng 6×4 Tractor Trucks represent one of China’s most established and widely recognized heavy-duty truck series, manufactured by Dongfeng Commercial Vehicles, a joint venture between Dongfeng Motor Corporation and Volvo Group. With decades of manufacturing experience and continuous technological innovation, Dongfeng trucks have earned a strong reputation in domestic and international markets for their reliability, fuel efficiency, and comprehensive product lineup.
Dongfeng’s 6×4 tractor lineup encompasses multiple series tailored to diverse applications, including the flagship Dragon Flag GX series for premium long-haul logistics, the versatile Dragon KL series for heavy-duty freight, the Dragon H5 series for balanced performance, and the HS7 series for high-power operations. Available powertrain options include diesel, LNG (liquefied natural gas), and electric, with power outputs ranging from 420 to 680 horsepower. These vehicles are designed to meet Euro II through Euro VI emission standards, making them suitable for markets across Africa, Southeast Asia, the Middle East, South America, and Russia.
Dongfeng’s 6×4 tractors feature high-roof extended cabs with air suspension, air-suspended driver seats, and sleeper berths, providing comfortable living spaces for long-haul drivers. The robust chassis, advanced transmissions (including ZF, Eaton, and FAST options), and MAN technology axles ensure durability and low total cost of ownership.
Key Features
| Feature | Description |
| Comprehensive Product Lineup | Multiple series available: Dragon Flag GX (premium flagship), Dragon KL (versatile heavy-duty), Dragon H5 (balanced performance), HS7 (high-power), and classic Dragon models. Suitable for various applications from port transport to heavy mining operations. |
| Multiple Powertrain Options | Diesel engines from Dongfeng Cummins, Dongfeng dCi, and Dongfeng DDi series; LNG engines (DGi13T series) with up to 580 horsepower; pure electric models with up to 400kWh battery capacity and fast battery swap technology. |
| High Power Output Range | Power outputs from 420 to 680 horsepower. The Dragon HS7 model features a 680HP engine with 3,200 N·m peak torque; the Dragon Flag GX offers 560HP with 2,650 N·m; the Dragon KL LNG model delivers 520HP with excellent fuel economy. |
| 6×4 Drive Configuration | Dual rear drive axles with total permissible loads of 18,000-32,000 kg, providing superior traction and stability for heavy-haul applications. Gross combination weight up to 40-85 tons depending on configuration. |
| Advanced Transmission Options | Available transmissions include ZF 16-speed manual/AMT, Eaton 12/14-speed AMT, FAST 12/14-speed manual, and Dongfeng self-developed 14-speed AMT. Integrated hydraulic retarder available on many models. |
| Premium Driver Comfort | High-roof extended cab with 4-point air/spring suspension, air-suspended driver seat (Grammer optional), automatic climate control, electric/heated mirrors, multifunction steering wheel, and wide sleeper berth. |
| Multi-Emission Compliance | Available in Euro II, Euro V, and Euro VI (China VI) emission standards. LNG models meet Euro VI with lower fuel costs. Electric models offer zero emissions. |
| Comprehensive Safety Systems | Standard ABS with WABCO valves; optional ASR, ESC, LDWS (lane departure warning), FCWS (forward collision warning), and tire pressure monitoring. Hydraulic retarder standard on many models for safe long downhill driving. |
| Extended Range Capability | Fuel tank capacities from 400L to 1,250L, with dual tank options providing over 2,500 km range. LNG models feature 1,500L gas tanks. Electric models support fast charging (500A dual gun) and battery swap (as fast as 5 minutes). |
| Low Operating Costs | Dongfeng’s DDi and dCi engines feature advanced high-pressure common rail technology with excellent fuel economy. LNG models offer up to 30% lower fuel costs compared to diesel. Electric models offer lowest energy costs with efficient energy recovery systems (up to 60% energy recovery during braking). |
Specifications with Explanation
Dragon Flag GX 560HP Diesel (Premium Flagship Model)
| Parameter | Specification | Explanation |
| Model Designation | DFH4250C7 | Official chassis model code for this premium 6×4 tractor . |
| Engine Model | Dongfeng Cummins Z14NS6B560 | 6-cylinder diesel engine with advanced high-pressure common rail technology . |
| Displacement | 13.48 L | Large displacement provides excellent power reserve and torque characteristics . |
| Maximum Horsepower | 560 HP (418 kW) | Class-leading power output for high-efficiency logistics . |
| Maximum Torque | 2,650 N·m | High torque output ensures strong pulling power under full load . |
| Torque RPM Range | 900 - 1,400 rpm | Extremely wide economical RPM range optimizes fuel efficiency . |
| Emission Standard | Euro VI (China VI) | Meets strictest emission requirements; suitable for markets with high environmental standards . |
| Transmission | Eaton ECE0-26N112C OD | 12-speed AMT with intelligent shift strategy, reducing driver fatigue . |
| Rear Axle | Dual 440 axle | High-strength rear axles with total permissible load of 18,000 kg . |
| Rear Axle Ratio | 3.636 | Balanced ratio suitable for highway and mixed routes . |
| Suspension | 8-airbag / 2-leaf springs | Air suspension provides superior ride comfort and cargo protection . |
| Fuel Tank Capacity | 1,250 L | Extended range for long-haul operations, reducing refueling stops . |
| Curb Weight | 10,200 kg | Includes premium comfort and safety features . |
| Tires | 295/80R22.5 18PR (Pirelli) | High-quality tubeless radial tires for highway use . |
| Safety Features | ABS, EBS, ESC, LDWS, FCWS, tire pressure monitoring, front disc brakes, hydraulic retarder | Comprehensive active and passive safety systems . |
| Cab Features | High-roof, air-suspension driver seat, automatic A/C, multifunction leather steering wheel, touchscreen, PEPS (passive entry passive start) | Premium driver comfort and convenience . |
Dragon KL 520HP LNG (Clean Energy Model)
| Parameter | Specification | Explanation |
| Model Designation | DFH4250 | Official chassis model code . |
| Engine Model | Dongfeng DGi13T520-60 | Self-developed LNG engine with proven reliability and mature technology . |
| Displacement | 12.93 L | Large displacement provides power comparable to diesel engines . |
| Maximum Horsepower | 520 HP (382 kW) | Eliminates the “LNG lacks power” concern; suitable for heavy-load operations . |
| Maximum Torque | 2,500 N·m | High torque ensures strong pulling power under full load . |
| Torque RPM Range | 1,000 - 1,400 rpm | Wide economical RPM range for optimal fuel efficiency . |
| Emission Standard | Euro VI | Meets strictest emission requirements with lower fuel costs than diesel . |
| Fuel Type | LNG (Liquefied Natural Gas) | Clean energy with up to 30% lower fuel costs compared to diesel . |
| Transmission | FAST C12JSQXL240TA OD | 12-speed manual with smooth shifting; optional AMT available . |
| Rear Axle | Dongfeng 400 series | High-strength rear axles with total permissible load of 18,000 kg . |
| Rear Axle Ratio | 3.64 | Balanced ratio suitable for highway and mixed routes . |
| Suspension | Leaf springs | Durable suspension suitable for heavy-load applications . |
| Fuel Tank Capacity | 1,500 L gas tank | Extended range for long-haul operations . |
| Curb Weight | 8,870 kg | Lightweight design for increased payload capacity . |
| Gross Trailer Weight | 40,000 kg | Standard towing capacity for heavy-load logistics . |
| Brakes | Front/rear drum brakes with hydraulic retarder | Reliable braking with enhanced safety on long downhill grades . |
| Manufacturer Price | 357,600 RMB (approx. $50,000 USD) | Competitive pricing in the 520HP LNG segment . |
Dragon KL 450HP Diesel (Export Model)
| Parameter | Specification | Explanation |
| Model Designation | DFH4250A4 | Export-oriented model . |
| Engine Model | Dongfeng dCi450-51 | 6-cylinder diesel engine developed with Volvo technology . |
| Displacement | 11.12 L | Proven dCi engine platform with excellent reliability . |
| Maximum Horsepower | 450 HP (323 kW) | Standard power for most logistics applications . |
| Maximum Torque | 2,100 N·m | High torque at 1,100-1,400 rpm for strong pulling power . |
| Emission Standard | Euro II / Euro V | Flexible options for different export market requirements . |
| Transmission | DT1420 (14 forward + 2 reverse) | Dongfeng-Volvo developed transmission with synchronized gears . |
| Rear Axle | 10T single reduction | High-strength rear axles with total permissible load of 18,000 kg . |
| Rear Axle Ratio | 3.64 | Balanced ratio for mixed route operations . |
| Suspension | 3-leaf springs | Lightweight suspension for improved fuel economy . |
| Fuel Tank Capacity | 600 L | Standard range for medium to long-haul operations . |
| Curb Weight | 8,800 kg | Lightweight design maximizes payload . |
| Gross Combination Weight | 85,000 kg | Heavy-duty capacity for specialized applications . |
| Tires | 12R22.5 / 10+1 pcs | Standard tubeless radial configuration . |
| Certifications | ECE, GCC, ISO, DOT | Certified for multiple international markets . |
| Cab Features | High-roof, dual sleeper, left-hand drive, A/C | Comfortable for long-haul operations . |
| Export Price | From $40,000 USD | Competitive pricing for export markets . |
Dragon HS7 680HP (High-Power Model)
| Parameter | Specification | Explanation |
| Engine Model | Dongfeng Z15NS6B680 | High-displacement heavy-duty engine . |
| Maximum Horsepower | 680 HP (500 kW) | Industry-leading power output for extreme heavy-haul applications . |
| Maximum Torque | 3,200 N·m | Extremely high torque for the most demanding operations . |
| Transmission | FAST F16JZ32A | 16+2 speed AMT with intelligent shift strategy . |
| Emission Standard | Euro VI | Meets strictest emission requirements . |
| Wheelbase | 4,700 mm | Long wheelbase for stability with heavy loads . |
| Tires | 295/80R22.5 18PR | Heavy-duty tubeless tires . |
| Safety Features | ABS, EBD, EBS, LDWS, airbag | Comprehensive active and passive safety . |
| Used Vehicle Price | $15,200 USD (2023 model) | Strong value retention in secondary market . |
Dragon H5 300HP Diesel (Light Heavy-Duty Model)
| Parameter | Specification | Explanation |
| Engine Model | YUCHAI (Yuchai brand) | Reliable Yuchai engine for medium-duty applications . |
| Maximum Horsepower | 300 HP (approx.) | Suitable for lighter logistics applications . |
| Transmission | FAST 9JS119TA | 9-speed manual transmission . |
| Wheelbase | 4,500+1,350 mm | Extended wheelbase for stability . |
| Tires | 295/80R22.5-18PR | Standard tubeless configuration . |
| Fuel Tank Capacity | 500-600 L | Standard range . |
| Certifications | ISO, CCC, CE | Multi-certification for export . |
Classic Dragon 420HP (Entry Model)
| Parameter | Specification | Explanation |
| Model Designation | DFL4251AX16A | Classic entry-level model . |
| Engine Model | Dongfeng dCi420-40 | Proven dCi engine platform . |
| Displacement | 11.12 L | Standard displacement . |
| Maximum Horsepower | 420 HP (303 kW) | Entry-level power for standard logistics . |
| Maximum Torque | 2,000 N·m | Adequate torque for most applications . |
| Torque RPM Range | 1,200 - 1,400 rpm | Good economical range . |
| Emission Standard | Euro IV | Suitable for markets with moderate requirements . |
| Transmission | FAST 12JSD200TA | 12-speed manual transmission . |
| Rear Axle | 485 dual rear axle | Total permissible load 18,000 kg . |
| Rear Axle Ratio | 3.65 | Balanced ratio . |
| Fuel Tank Capacity | 550 L | Standard range . |
| Curb Weight | 8,800 kg | Lightweight design . |
| Tires | 12R22.5 | Standard tubeless configuration . |
| Maximum Speed | 98 km/h | Good highway performance . |
Applications
| Application | Suitable Models | Description |
| Long-Haul Logistics | Dragon Flag GX 560HP, Dragon KL 520HP LNG, Dragon KL 450HP | High power output, large fuel tanks (up to 1,250L), comfortable high-roof sleeper cabs, and AMT transmissions for reduced driver fatigue. Ideal for cross-country freight operations . |
| Heavy-Duty/Extreme Load Transport | Dragon HS7 680HP, Dragon 6×4 120-ton model | 680HP engine with 3,200 N·m torque, reinforced chassis, up to 85-120 ton gross combination weight. Suitable for heavy equipment haulage, mining operations . |
| Port Container Transport | Dragon KL 450HP, Dragon 420HP | 6×4 drive configuration provides ample traction. Available right-hand drive for left-hand traffic markets. Strong torque output easily handles loaded container hauling . |
| LNG/CNG Operations | Dragon KL 520HP LNG, Dragon Flag GX 580HP LNG | LNG models offer up to 30% lower fuel costs, cleaner emissions, Euro VI compliance. Ideal for regions with natural gas infrastructure and strict environmental regulations . |
| Cold Chain / Temperature-Controlled Logistics | Dragon Flag GX 560HP, Dragon KL 520HP | Stable air suspension, comfortable high-roof cabs, large fuel tanks ensure uninterrupted cold chain operations. AMT transmissions reduce driver workload for team operations . |
| Bulk Cargo Transfer | Dragon KL 450HP, Dragon 420HP | Reliable powertrain and durable chassis components suit coal, grain, sand, and other bulk material transport. Multiple fuel tank options allow route optimization . |
| Construction & Mining | Dragon HS7 680HP, Dragon 120-ton model | Reinforced chassis, heavy-duty suspension, large wheel-end torque, steel-belted tires. Suitable for harsh terrain and extreme conditions . |
| Electric / Zero-Emission Operations | Dragon KL Electric Series (charging/battery swap) | Pure electric models with 400kWh battery capacity, fast charging (500A dual gun), and battery swap (as fast as 5 minutes). Peak power 510kW (694HP), peak torque 3,100 N·m. Suitable for port operations, short-haul, and fixed-route transport . |
Comparison Table
| Model | Dragon Flag GX 560HP | Dragon KL 520HP LNG | Dragon KL 450HP | Dragon HS7 680HP | Dragon Electric |
| Engine/Motor | Cummins Z14NS6B560 | Dongfeng DGi13T520-60 | Dongfeng dCi450-51 | Dongfeng Z15NS6B680 | TZ460XS-LKM3101 motor |
| Power | 560 HP | 520 HP | 450 HP | 680 HP | 694 HP (peak) |
| Torque | 2,650 N·m | 2,500 N·m | 2,100 N·m | 3,200 N·m | 3,100 N·m |
| Fuel Type | Diesel | LNG | Diesel | Diesel | Electric |
| Emission | Euro VI | Euro VI | Euro II / V | Euro VI | Zero emission |
| Transmission | Eaton 12AMT | FAST 12MT | DT1420 14MT | FAST 16AMT | 4-speed AMT |
| Rear Axle Ratio | 3.636 | 3.64 | 3.64 | - | 5.143 |
| Suspension | 8-airbag | Leaf spring | 3-leaf spring | Spring/spring | Leaf spring |
| Fuel/Battery | 1,250L | 1,500L gas | 600L | - | 400kWh |
| Curb Weight | 10,200 kg | 8,870 kg | 8,800 kg | - | 10,300 kg |
| GCW | 38,670 kg | 40,000 kg | 85,000 kg | - | 38,570 kg |
| Safety Features | ABS, EBS, ESC, LDWS, FCWS, retarder | ABS, retarder | ABS | ABS, EBS, LDWS | ABS, EBS, LDWS, FCWS |
| Recommended Use | Premium long-haul | Long-haul LNG | Heavy-duty export | Extreme heavy-haul | Zero-emission operations |
| Price | ~$70,000 USD | 357,600 RMB (~$50,000) | From $40,000 USD | Used: $15,200 USD | From 486,000 RMB (~$68,000) |
Buying Guide
1. Select Configuration Based on Operating Conditions
| Condition Type | Recommended Model | Explanation |
| Highway Long-Haul (≥1,000km) | Dragon Flag GX 560HP, Dragon KL 450HP | High power output, large fuel tanks (1,250L), AMT transmission, air suspension, comfortable high-roof sleeper cab. Diesel models offer proven infrastructure . |
| LNG Infrastructure Available | Dragon KL 520HP LNG, Dragon Flag GX 580HP LNG | Up to 30% lower fuel costs, Euro VI compliance, 1,500L gas tanks. Ideal for regions with established natural gas networks . |
| Extreme Heavy-Duty (50+ tons) | Dragon HS7 680HP, Dragon 120-ton model | 680HP engine, 3,200 N·m torque, reinforced chassis, up to 120-ton GCW. Suitable for mining, heavy equipment haulage . |
| Zero-Emission / Port Operations | Dragon KL Electric Series | Pure electric, fast charging and battery swap options, up to 400kWh battery, 694HP peak power, zero emissions. Ideal for fixed-route short-haul and environmentally sensitive areas . |
| Cost-Sensitive / Export | Dragon KL 450HP (Euro II/V) | Lower initial investment, proven dCi engine, Euro II/V options for markets with less stringent emission requirements. Strong parts availability . |
| Mixed Regional Routes | Dragon 420HP, Dragon H5 300HP | Balanced performance for varied routes. Good versatility at lower cost . |
2. Powertrain Selection
Engine Power Options:
420 HP (dCi420-40): Entry-level for standard logistics, peak torque 2,000 N·m
450 HP (dCi450-51): Standard configuration for most applications, peak torque 2,100 N·m
520 HP (DGi13T520-60): LNG version with 2,500 N·m torque, lower fuel costs
560 HP (Z14NS6B560): High power for premium logistics, 2,650 N·m torque
580 HP (15NNS6B580A): LNG version for highest power
680 HP (Z15NS6B680): Maximum power for extreme heavy-haul, 3,200 N·m torque
Transmission Selection:
| Transmission Type | Models | Suitable Applications |
| Manual (12/14/16-speed) | FAST, Dongfeng-Volvo DT1420 | Traditional operations, experienced drivers, lower initial cost |
| AMT (12/14/16-speed) | Eaton, ZF, Dongfeng self-developed | Long-haul fleets, driver comfort priority, reduced fatigue |
Rear Axle Ratio Selection:
3.64-3.65: Balanced performance for mixed routes
3.636: Highway optimization
3.42: Highway fuel economy
3. Cab Selection
Premium Long-Haul: Dragon Flag GX high-roof cab with 4-point air suspension, air-suspended driver seat, automatic climate control, touchscreen infotainment, PEPS smart entry
Standard Long-Haul: Dragon KL high-roof cab with air-suspended driver seat, automatic A/C, sleeper berth
Light Heavy-Duty: Dragon H5 cab with comfortable seating, basic amenities
4. Emission Standard Selection
| Emission Standard | Applicable Markets | Available Models |
| Euro VI / China VI | China domestic, Europe, strict environmental regions | Dragon Flag GX, Dragon KL LNG, Dragon HS7 |
| Euro V | Export markets with moderate requirements | Dragon KL 450HP |
| Euro II / Euro III | Export markets with less stringent requirements | Dragon KL 450HP |
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 System Selection
| Fuel Type | Capacity Options | Range | Applications |
| Diesel | 400L / 550L / 600L / 1,250L | 1,200-2,500+ km | General logistics, highway operations |
| LNG | 1,500L gas tank | 1,500-2,000 km | Regions with natural gas infrastructure, lower fuel costs |
| Electric | 400kWh battery | 200-300 km | Short-haul, port operations, fixed routes |
6. Tire Selection
| Tire Type | Specifications | Applications |
| Tubeless Radial | 295/80R22.5, 12R22.5 | Highway operations, lower rolling resistance, better fuel economy |
| Steel-Belted | 12.00R20 | Heavy-duty, rough terrain, puncture resistance |
7. New vs. Used Vehicle Purchasing Considerations
New Vehicles:
Full warranty coverage (varies by component)
Latest emission standards and technology features
Customizable configurations
New Dragon KL 520HP LNG: 357,600 RMB (~$50,000)
New Dragon KL 450HP: from $40,000 USD
Used Vehicles:
Lower initial purchase price
Used Dragon HS7 680HP (2023 model): $15,200 USD
Used Dragon models from $14,200-$16,000 USD
Strong resale value in export markets
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
Dongfeng is a leading export brand with established sales networks in Africa, Southeast Asia, the Middle East, Russia, and South America
Driving Position: Left-hand drive (LHD) standard; right-hand drive (RHD) configurations available for left-hand traffic markets
Certifications: Models available with ECE, GCC, SONCAP, ISO, DOT certifications
Packaging: Standard export packaging includes anti-corrosion treatment (polished, waxed, rustproof)
Shipping Methods: RoRo (roll-on/roll-off), container, bulk vessel, frame shipping
Payment Terms: T/T, L/C, MoneyGram, PayPal, Western Union accepted
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. |
| Export Delivery | FOB (Wuhan Port, Shanghai Port, Tianjin Port, Qingdao Port) or CIF terms supported. CFR, EXW also available. |
| Shipping Methods | RoRo (roll-on/roll-off) for fast delivery; bulk vessel for lower cost; container shipping; frame shipping for multiple units . |
| Packaging | Standard export packaging: anti-corrosion treatment (polished, waxed, rustproof) + rain cover. Complete export documentation provided . |
| Lead Time | Export orders typically require 15-45 working days preparation depending on order quantity and configuration. |
Certifications
| Certification Type | Details |
| Domestic Certification | CCC (China Compulsory Certification) compliant for domestic models. |
| 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) |
| - ISO 9001 Quality Management System Certification |
| - DOT Certification (select markets) |
| Emission Compliance | Euro II, Euro V, Euro VI options available with corresponding compliance documentation . |
Warranty Information
| Component | Warranty Period | Description |
| Road Truck Warranty | 6 months or 20,000 km (whichever first) | Standard warranty for road tractors . |
| Off-Road Truck Warranty | 6 months or 30,000 km (whichever first) | For heavy-duty applications . |
| Compulsory Service | 2,000-4,000 km (within 6 months) | One complimentary service included . |
| Non-Warranty Items | Consumables: oil filters, brake linings, fuel filters, air filters, clutch plates, drive belts, bulbs, fuses, tires, lubricating oil, coolant | Normal wear and tear not covered . |
Important Notes
Export Markets: Dongfeng is a leading export brand with established sales and service networks in Africa, Southeast Asia, the Middle East, Russia, and South America . The company has over 60 years of truck manufacturing experience.
Right-Hand Drive: RHD configurations are available for markets with left-hand traffic regulations .
Customization Services: Logo branding, custom painting, and specific configuration adjustments available. Minimum order quantity is 1 unit.
Accepted Payment Currencies: USD, EUR, JPY, CAD, AUD, HKD, GBP, CNY, CHF .
Payment Terms: T/T (telegraphic transfer), L/C (letter of credit), MoneyGram, Credit Card, PayPal, Western Union accepted .
