Overview
The FAW Jiefang J6P 420HP 6×4 Tractor Truck is a flagship heavy-duty vehicle from FAW’s renowned J6P series, representing over 60 years of truck manufacturing experience . As FAW’s highest-end truck product, the J6P series incorporates advanced innovation, reliability, comfort, and driveability, making it an established name in the heavy truck industry for productive and cost-effective operation .
Powered by FAW’s CA6DM2 series 11-liter engine delivering 420 horsepower, this 6×4 tractor features a perfect balance of low-end torque, high horsepower, fuel efficiency, weight, and cost . The J6P high-roof extended cab offers world-class comfort and styling, while the robust chassis and advanced transmission ensure optimal productivity at the lowest possible operating cost. Available in multiple emission standards including Euro II, Euro V, and China VI, the J6P 420HP is suitable for diverse applications from long-haul logistics to heavy-duty freight operations across global markets .
Key Features
| Feature | Description |
| 420HP FAW Engine | Powered by the CA6DM2-42E4 / CA6DM2-42E51 diesel engine, displacement 11.04L, delivering 420 horsepower (310kW) with peak torque of 1,900 N·m . |
| 1,900 N·m Peak Torque | High torque output with wide economical RPM range of 1,100-1,400 rpm, providing strong pulling power for heavy loads and steep grades while maintaining fuel efficiency . |
| 6×4 Drive Configuration | Dual rear drive axles with total permissible load of 18,000 kg (2×13,000 kg or 2×16,000 kg), providing superior traction and stability for heavy-haul applications . |
| FAW 12-Speed Transmission | Equipped with CA12TAX210M 12-speed manual transmission (12 forward + 2 reverse gears), featuring twin-countershaft design for high load capacity and smooth shifting . |
| J6P High-Roof Extended Cab | Spacious high-roof extended cab with 4-point spring suspension, air-suspended driver seat, automatic climate control, electric windows, and sleeper berth for enhanced driver comfort . |
| Fuel-Efficient Design | Advanced high-pressure common rail fuel system and low friction design deliver excellent throttle response with low fuel consumption. Lightweight design (curb weight approx. 8,800-8,850 kg) further enhances efficiency . |
| Multiple Emission Standards | Available in Euro II, Euro V, and China VI (Euro VI) emission standards to meet diverse market requirements . |
| Advanced Safety Systems | Equipped with ABS anti-lock braking system, optional ESC, lane departure warning, and FCWS. Front and rear axle disc brakes available . |
| Long Range Capability | Fuel tank capacity up to 800L provides extended range for long-haul operations, reducing refueling stops . |
| High Durability Standards | Integrated cylinder head with 4-valve technology and overhead camshaft. Composite valve cover reduces weight and engine noise. B10 life ensures long-term reliability . |
Specifications with Explanation
Basic Specifications
| Parameter | Specification | Explanation |
| Model Designation | CA4250P66K24T1A1HE4 / CA4250 | Official chassis model code for 6×4 drive configuration tractors . |
| Drive Configuration | 6×4 | Three-axle layout with single front steering axle and dual rear drive axles. Provides superior traction for heavy loads . |
| Overall Dimensions (L×W×H) | 6,910 × 2,495 × 3,980 mm | Length approximately 6.9 meters, width approximately 2.5 meters, height with high-roof cab . |
| Wheelbase | 3,200+1,350 mm / 3,450+1,350 mm | Standard wheelbase design ensures stability and maneuverability . |
| Curb Weight | 8,800 - 9,200 kg | Lightweight design maximizes payload capacity while maintaining structural integrity . |
| Gross Vehicle Weight | 25,000 kg | Maximum vehicle weight for the tractor unit . |
| Gross Trailer Weight | 40,000 - 50,000 kg | Maximum towing capacity depending on configuration. Standard models rated for 40,000 kg . |
| Maximum Speed | 125 km/h | Electronically limitable based on market regulations . |
| Minimum Turning Diameter | 15 m | Good maneuverability for a heavy-duty 6×4 tractor . |
Engine Specifications
| Parameter | Specification | Explanation |
| Engine Model | CA6DM2-42E4 / CA6DM2-42E51 | FAW Xichai inline 6-cylinder diesel engine with advanced 4-valve technology and overhead camshaft . |
| Displacement | 11.04 L | Large displacement provides excellent power reserve and torque characteristics . |
| Maximum Horsepower | 420 HP (310 kW) | Class-leading power output for heavy-haul applications . |
| Maximum Torque | 1,900 N·m | High torque ensures strong pulling power under full load conditions . |
| Torque RPM Range | 1,100 - 1,400 rpm | Wide economical RPM range optimizes fuel efficiency during highway cruising . |
| Rated RPM | 1,900 rpm | Engine speed at rated power output . |
| Emission Standards | Euro II / Euro V / China VI (Euro VI) | Multiple emission options available. Euro II is common for export markets; Euro V/China VI for stricter regions . |
| Fuel Type | Diesel | Standard diesel configuration. |
| Technology Features | High-pressure common rail, 4-valve cylinder head, overhead camshaft, composite valve cover | Ensures complete combustion, reduces weight, and lowers engine noise . |
Transmission Specifications
| Parameter | Specification | Explanation |
| Transmission Model | CA12TAX210M / 12JSD200TA | FAW or FAST 12-speed manual transmission with proven reliability . |
| Transmission Brand | FAW / FAST | Leading Chinese transmission manufacturer with widespread parts availability. |
| Number of Gears | 12 forward + 2 reverse | 12-speed design provides refined gear ratio distribution for optimal performance across varied road conditions . |
| Forward Gear Ratio Range | 12.1 - 0.78 / 15.6 - 1.0 | Wide ratio coverage for both starting torque and highway cruising . |
| Shift Method | Manual | Standard manual transmission. AMT options available on select models. |
| Features | Twin-countershaft design, optional aluminum housing | High load capacity and weight reduction options. |
Chassis & Drivetrain
| Parameter | Standard Version | Heavy-Duty Version | Explanation |
| Front Axle | FAW 7.5T grade | FAW 7.5T grade | High load capacity with drum or disc brakes . |
| Front Axle Permissible Load | 7,500 kg | 7,500 kg | Meets standard load requirements. |
| Rear Axle Type | 457 stamped welded bridge | φ300 double reduction | Dual rear axles with total permissible load of 18,000-32,000 kg . |
| Rear Axle Permissible Load | 13,000 kg/axle (26,000 kg total) | 16,000 kg/axle (32,000 kg total) | Heavy-duty version provides maximum load capacity . |
| Available Axle Ratios | 3.545 / 3.727 / 4.11 / 4.44 | 4.875 / 5.26 / 5.921 | Lower ratios for highway fuel economy; higher ratios for climbing power . |
| Suspension Type | Parabolic leaf springs | Multi-leaf springs | Standard version balances load and comfort; heavy-duty maximizes load capacity . |
| Spring Leaf Count | 3/4 (front/rear) | 10/12 (front/rear) | Heavier leaf counts for maximum load capacity. |
| Frame | High-strength ladder frame | Reinforced heavy-duty frame | 300×80×8mm with optional 8+8 double-layer design for excellent torsional rigidity . |
| Fifth Wheel | φ50 / φ90 JOST | φ90 JOST | Standard 50mm or 90mm kingpin coupling with high load capacity . |
Tires & Brakes
| Parameter | Specification | Explanation |
| Tire Specifications | 12.00R20 / 12R22.5 / 315/80R22.5 | Steel-belted radial tires for durability in harsh conditions; tubeless options for highway use with lower rolling resistance . |
| Number of Tires | 10 (including spare) | Standard configuration for 6×4 tractors . |
| Brake System | Front and rear independent dual-circuit air brake | Independent dual circuits ensure braking safety and reliability . |
| Brake Type | Drum brake (standard); disc brake (optional) | Drum brakes standard; disc brakes available on higher-spec models for improved stopping performance . |
| Auxiliary Braking | Engine exhaust brake | Reduces brake wear and provides controlled descent on steep grades. |
| Safety Electronic Systems | ABS standard; optional ASR, ESC, LDWS, FCWS | WABCO valves ensure reliable braking response . |
Cab & Comfort
| Parameter | Specification | Explanation |
| Cab Type | J6P high-roof extended cab | Fully floating extended high-roof design with spacious interior and standing room . |
| Cab Suspension | 4-point spring suspension | Effectively filters road vibrations, reducing driver fatigue. |
| Driver Seat | Air-suspended driver seat | Multi-adjustable for optimal comfort on long journeys . |
| Sleeper Berth | Single bunk (sleeper cab) | Comfortable rest area for overnight stays or team driver operations . |
| Air Conditioning | Automatic climate control | Maintains optimal cabin temperature regardless of external conditions . |
| Comfort Features | Electric windows, electric heated mirrors, central locking, multifunction steering wheel, cruise control | Comprehensive convenience features for enhanced driver experience . |
| Passenger Capacity | 2-3 persons | Semi-high roof cab design with rear rest area . |
| Additional Features | LCD instrument panel, touchscreen, Bluetooth/MP3 system, sunroof (optional) | Modern amenities for enhanced driver experience . |
Fuel System
| Parameter | Specification | Explanation |
| Fuel Tank Capacity | 400L / 500L / 800L | Multiple capacity options. Aluminum alloy tanks for lightweight construction . |
| Estimated Range | 1,200-2,500 km (depending on tank capacity) | Based on typical fuel consumption under standard load highway conditions. |
| Fuel Type | Diesel | Standard diesel configuration. |
Applications
| Application | Suitability |
| Long-Haul Logistics | 420HP power output with 12-speed transmission provides ample power for highway cruising. Combined with up to 800L fuel tank and comfortable high-roof sleeper cab, ideal for cross-country freight operations. Recommended configuration: 3.545-4.11 ratio + 12-speed transmission + 12R22.5 tubeless tires . |
| Port Container Transport | 6×4 drive configuration and robust chassis handle frequent stop-start port operations efficiently. Strong torque output easily handles loaded container hauling. Optional right-hand drive available for left-hand traffic markets . |
| Construction Material Transport | Heavy-duty chassis with multi-leaf spring suspension and reinforced frame handles steel, cement, sand, and other construction materials. Heavy-duty version with 16T axles provides maximum load capacity . |
| Mining & Quarry Operations | Heavy-duty version with φ300 double reduction axles and 5.26-5.92 axle ratio provides maximum wheel-end torque. 12.00R20 steel-belted tires offer puncture resistance for rough terrain . |
| Hazardous Materials Transport | Specialized configuration available with front exhaust pipe, speed limiting device, disc brakes, and other safety features complying with hazardous materials transport regulations . |
| Bulk Cargo Transfer | Reliable powertrain and durable chassis components suit coal, grain, sand, and other bulk material transport. Multiple fuel tank options optimize for route distance. |
| Agricultural Transport | Versatile solution for transporting agricultural products and machinery over long distances . |
Comparison Table
| Configuration | Standard Logistics Edition | Heavy-Duty Edition | Premium Export Edition |
| Model Designation | CA4250 | CA4250 | CA4250 |
| Engine | CA6DM2-42E4 (420HP) / CA6DM2-46E52 (460HP) | CA6DM2-42 (420HP) | CA6DM2-42E51 (420HP) / CA6DM2-46E52 (460HP) |
| Emission Standard | Euro II | Euro II | Euro V / China VI |
| Transmission | CA12TAX210M (12-speed manual) | 12JSD200TA (12-speed manual) | CA12TAX210M / ZF 12TX2420TD |
| Rear Axle Ratio | 3.545 - 4.11 | 4.875 - 5.921 | 3.727 - 4.11 |
| Rear Axle Type | 457 stamped welded bridge | φ300 double reduction | 457 stamped welded bridge |
| Suspension | Parabolic leaf springs (3/4) | Multi-leaf springs (10/12) | Parabolic leaf springs / Air suspension |
| Tires | 12R22.5 tubeless | 12.00R20 steel-belted | 315/80R22.5 tubeless |
| Fuel Tank | 400L aluminum | 400L steel | 800L aluminum |
| Cab Features | J6P high-roof, air seat, auto A/C, electric windows, heated mirrors | J6P high-roof, durable trim, metal bumper | J6P high-roof extended, premium air seat, double bunk, touchscreen |
| Safety Features | ABS, engine exhaust brake | ABS, ASR, differential lock | ABS, ESC, LDWS, FCWS, disc brakes |
| Gross Trailer Weight | 40,000 kg | 50,000 kg | 40,000 - 50,000 kg |
| Recommended Use | General logistics, port transport, mixed routes | Mining, construction, heavy equipment haulage | Long-haul freight, cold chain, export markets |
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 | 3.545-4.11 ratio + 12-speed transmission + 800L tank + 12R22.5 tubeless tires + high-roof cab | Optimizes fuel economy with economical RPM range of 1,100-1,400 rpm. Lightweight design (approx. 8,800 kg) maximizes payload . |
| Mixed Regional Routes | 4.11 ratio + 12-speed manual + 400L tank + standard cab | Balanced performance for varied routes with good versatility and lower initial cost. |
| Heavy-Duty/Mining | 4.875-5.921 ratio + 12-speed manual + 12.00R20 steel tires + multi-leaf springs + φ300 double reduction axles | Enhanced climbing capability and durability for extreme loads. Total rear axle load up to 32,000 kg . |
| Hazardous Materials Transport | Standard ratio + disc brakes + speed limiter + front exhaust pipe | Specialized configuration meeting hazardous materials transport regulations . |
| Port/Drayage Operations | Standard ratio + manual transmission + optional right-hand drive | Cost-effective configuration for frequent stop-start operations. RHD option meets specific market requirements . |
2. Powertrain Selection
Engine Options:
420 HP (CA6DM2-42E4/E51): Standard configuration, peak torque 1,900 N·m, suitable for most applications
460 HP (CA6DM2-46E52): Higher power option for demanding operations, peak torque 2,100 N·m
350-390 HP: Available for lighter-duty applications
Transmission Selection:
| Transmission Type | Features | Suitable Applications |
| 12-Speed Manual (CA12TAX210M) | FAW self-developed technology, proven reliability, 12.1-0.78 ratio coverage | General logistics, experienced drivers, cost-conscious operations |
| 12-Speed Manual (12JSD200TA) | FAST transmission, 12.1-0.78 ratio coverage | Heavy-duty applications, high torque capacity |
| ZF 12-Speed AMT | Automated shifting, reduced driver fatigue, available on premium models | Long-haul fleets, driver comfort focus |
Rear Axle Ratio Selection:
3.545: Highway fuel economy optimization, long-haul operations
3.727: Balanced performance, standard for many applications
4.11: Mixed route versatility
4.875-5.921: Heavy-duty and mountainous terrain, maximum wheel-end torque
3. Cab Selection
Long-Haul Operations: Select J6P high-roof extended cab with air-suspended driver seat, automatic climate control, and sleeper berth. The spacious interior provides comfortable living space for extended trips .
Construction/Mining: Standard high-roof cab with durable interior trim and optional metal bumper for enhanced durability in rugged environments .
Regional/Short-Haul: Basic cab configuration sufficient, reducing initial purchase cost.
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 systems . |
| Euro V | Export markets with moderate environmental requirements | Suitable for markets with standard emission regulations. Available with 8.6L or 11.05L engines . |
| Euro II | Export markets with less stringent requirements | Most common for export J6P models. Cannot be registered in China. Available with 8.6L or 11.04L engines . |
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 |
| 400L | 1,200-1,500 km | Regional transport, short-haul, daily return routes |
| 500L | 1,500-1,800 km | Medium-haul routes, 1-2 days between refueling |
| 800L | 2,400-2,800 km | Long-haul operations, extended range |
6. Tire Selection
| Tire Type | Features | Applications |
| 12.00R20 Steel-belted | Maximum durability, puncture resistance, suitable for rough terrain | Mining, construction, heavy-duty applications |
| 315/80R22.5 Tubeless | Lower rolling resistance, better fuel economy, improved highway comfort | Long-haul logistics, highway operations |
| 12R22.5 Tubeless | Standard tubeless option, good balance of durability and fuel economy | General mixed-use applications |
7. New vs. Used Vehicle Purchasing Considerations
New Vehicles:
Full warranty coverage (varies by component and market)
Latest emission standards, current technology features
Customizable configurations available
Production lead time: 20-45 days after deposit
New J6P 420HP price range: Approximately $26,000 - $38,000 USD depending on configuration
Used Vehicles:
Lower initial purchase price
J6P series holds strong resale value in export markets
Used models commonly available with Euro II emission standards
Popular in African, Southeast Asian, and Middle Eastern markets
Used Vehicle Inspection Checklist:
Engine start-up condition, idle stability, exhaust smoke, unusual noises
Transmission shift smoothness
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
FAW J6P 420HP is a leading export model with established sales networks in Africa, Southeast Asia, the Middle East, Russia, and South America
Confirm destination country driving position requirements (LHD/RHD). RHD configurations available for left-hand traffic markets
Understand destination country certification requirements (GCC, SONCAP, EAC, etc.)
Confirm packaging and shipping methods: RoRo (roll-on/roll-off) offers fast delivery; bulk vessel offers lower cost; frame shipping for multiple units
Standard export packaging includes anti-corrosion treatment
Average lead time: 20 days
Payment terms: T/T, L/C, MoneyGram, PayPal, Western Union accepted
Nearest ports: Qingdao, Tianjin, Shanghai
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 (Qingdao Port, Tianjin Port, Shanghai Port, China main ports) or CIF terms supported. CFR, EXW also available . |
| Shipping Methods | Multiple methods: RoRo (roll-on/roll-off) - fast delivery; bulk vessel - lower cost; frame ship - suitable for two units simultaneously . |
| Packaging | Standard export packaging: anti-corrosion treatment + rain cover. Complete export documentation provided. |
| Lead Time | Average lead time: 20 days . |
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 |
| Emission Compliance | Euro II, Euro V, China VI (Euro VI) options available with corresponding compliance documentation . |
Warranty Information
| Component | Warranty Period | Description |
| Vehicle Warranty | Varies by component and market | Standard warranty for FAW J6P export models. |
| International Service | Video technical support, overseas call center, online support available | Comprehensive after-sales support for overseas customers . |
