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FAW Jiefang J6P 420HP Tractor Head: Full Specifications & Buyer Guide

17.09.2026View: 4

Faw Trucks | China Faw Jiefang Group

The FAW Jiefang J6P 420HP Tractor Head is one of the most recognized heavy-duty trucks in China and emerging markets. Built by FAW Group—China’s oldest and largest automotive manufacturer—the J6P series has earned a reputation for durability, fuel efficiency, and low total cost of ownership. This guide covers full specifications, key features, and practical buying advice for fleet operators and owner-operators considering this model.

FAW Jiefang J6P 420HP tractor head parked on highway

AW Jiefang J6P 420HP tractor head – exterior view


Overview of the FAW Jiefang J6P

The J6P is the flagship heavy truck platform from FAW Jiefang, designed primarily for long-haul logistics, port operations, and construction material transport. The 420HP variant sits in the sweet spot between economy and power—strong enough for 40–60 ton gross combination weights while remaining fuel-efficient on highway routes.

 

FAW Tractor Truck

 
FAW Jiefang J6P 420HP tractor head parked on highway

FAW Jiefang J6P 420HP tractor head – exterior view

Key highlights:


Full Specifications

Engine

Item Specification
Model FAW CA6DM2-42E4 / CA6DM3-42E5
Type Inline-6, turbocharged & intercooled diesel
Displacement 11.04 L
Max Power 420 HP (309 kW) @ 1,900 rpm
Max Torque 2,000–2,100 Nm @ 1,000–1,400 rpm
Emission Standard Euro III / Euro IV / Euro V (market dependent)
Fuel System Common rail direct injection

 

FAW Jiefang J6P CA6DM2 420HP diesel engine

CA6DM2 11.04L 420HP common rail diesel engine

Faw J6P truck

Transmission

Item Specification
Standard FAW CA12TAX210M – 12-speed manual
Optional FAW AMT 12-speed automated manual
Clutch 430 mm single dry plate
 

FAW Jiefang J6P Tractor Truck

Chassis & Axles

Item Specification
Drive Configuration 6×4 (standard), 4×2 available
Front Axle 7,000 kg capacity
Rear Axle 13,000 kg × 2, ratio 4.11 / 3.7 optional
Suspension Leaf spring / air suspension optional
Brakes Dual-circuit air brake, ABS standard
Tire Size 12.00R20 / 315/80R22.5

FAW J6P 6X4 Tractor Truck

FAW Jiefang J6P Tractor Truck

Cab & Dimensions

Item Specification
Cab Type High-roof sleeper, flat-floor option
Wheelbase 3,800 mm + 1,350 mm
Overall Length ~7,100 mm
GVW 25,000 kg
GCW 40,000–60,000 kg
Fuel Tank 400 L / 600 L / 800 L options

 

FAW Jiefang J6P high-roof sleeper cab interior

High-roof sleeper cab with air-suspended driver seat

Performance

Item Specification
Top Speed 100–110 km/h
Gradeability ≥ 30%
Fuel Consumption 28–35 L/100 km (loaded, highway)

Faw J6P truck

Key Features of the J6P 420HP

1. Fuel-Efficient powertrain

The CA6DM2 engine uses a high-pressure common rail system and optimized combustion chamber to deliver strong low-end torque while keeping fuel consumption competitive against European rivals.

2. Driver comfort

The high-roof sleeper cab offers a flat floor, air-suspended driver seat, adjustable steering column, and generous storage—important for long-haul drivers spending weeks on the road.

3. Durability in harsh conditions

Reinforced chassis rails, heavy-duty leaf springs, and corrosion-resistant cab coatings make the J6P suitable for African and Southeast Asian road conditions.

4. Serviceability

Widely available spare parts and a large dealer network across Africa, the Middle East, and Asia keep maintenance costs low.

FAW Jiefang J6P Tractor Truck


Buyer Guide: What to Check Before Buying

New vs. Used

Faw J6P truck

Questions to Ask the Seller

  1. What emission standard does the engine meet?

  2. Is the transmission manual or AMT?

  3. What is the rear axle ratio? (4.11 for heavy loads, 3.7 for highway fuel economy)

  4. Has the fuel injection system been serviced?

  5. Are service records available?

  6. What is the tire tread depth and brand?


    FAW Cargo Truck

    FAW J6P Cargo Truck

 

Recommended Configuration by Use Case

Application Recommended Spec
Long-haul highway 4×2, 3.7 axle, AMT, 600L tank
Heavy haul / mining 6×4, 4.11 axle, manual, air suspension
Port / container 6×4, 4.11 axle, high-roof cab
Construction materials 6×4, 4.11 axle, steel suspension

 

Price Range (Indicative)

Prices vary by country, import duties, and emission standard.


Faw-J6p-truck

Faw J6P truck

Pros and Cons

Pros:

Cons:


FAW Jiefang J6P Tractor Truck

FAW J6P 4X2 Tractor Truck

Maintenance Tips


FAW Jiefang J6P Tractor Truck

FAQ

Q: Is the FAW J6P 420HP good for long-haul transport?
A: Yes. With a high-roof sleeper cab, 600L fuel tank, and 420HP engine, it handles long highway routes comfortably and economically.

Q: What is the fuel consumption of the J6P 420HP?
A: Expect 28–35 L/100 km when fully loaded on highway routes, depending on terrain and driving style.

Q: Can I get spare parts easily?
A: In Africa, Southeast Asia, and the Middle East, yes. FAW has extensive dealer networks. In Europe or North America, parts are harder to source.

Q: What is the difference between J6P and J7?
A: The J7 is FAW’s newer flagship with more advanced electronics and Euro V/VI engines. The J6P remains the value-focused workhorse.


 

Conclusion

The FAW Jiefang J6P 420HP Tractor Head is a practical, cost-effective solution for heavy haulage in price-sensitive markets. It delivers reliable power, decent comfort, and low operating costs—making it a smart choice for fleet owners who prioritize uptime and profitability over brand prestige.

If you are sourcing J6P tractors for import or fleet expansion, verify emission standards, axle ratios, and service history before committing. A well-maintained J6P can deliver hundreds of thousands of kilometers of dependable service.

 

Faw Trucks | China Faw Jiefang Group

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