Tractor Trucks
Dongfeng KX / GX 4×2 Tractor Truck 480 / 520HP Available
Dongfeng KX / GX 4×2 tractor truck is a premium heavy-duty prime mover designed for long-distance highway logistics, container transportation, express cargo delivery, refrigerated transport and cross-border operations. The 4×2 axle configuration provides lower curb weight, flexible maneuverability and improved payload efficiency for standard road transportation. The KX series offers a mature high-end platform with a Dongfeng Cummins engine, heavy-duty transmission and comfortable sleeper cab. The newer GX series focuses on efficient long-distance transportation, combining a high-roof cab, high-torque Cummins engine, AMT transmission, rear air suspension and advanced safety systems. Representative 4×2 configurations include the KX 480HP and GX 520HP models. Engine power, emission standard, transmission, cab configuration, fifth wheel, axle ratio, suspension, tire model, fuel tank, driving side, exterior color, logo and accessories can be customized according to trailer type and transportation requirements.
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Product Description
Product Specifications
| Item | Value |
|---|---|
| Product Type | Tractor Truck / Prime Mover / Tractor Head |
| Brand | Dongfeng |
| Model Series | KX / Tianlong KX / GX |
| Drive Type | 4×2 |
| Engine Power | 480HP / 520HP available; other power options according to stock |
| Engine Brand | Dongfeng Cummins |
| Engine Model | Cummins ISZ13 / Z14 series optional |
| Engine Type | Inline six-cylinder, turbocharged and intercooled diesel engine |
| Engine Displacement | Approx. 13–13.5 L, depending on engine model |
| Maximum Torque | Approx. 2,320–2,500 N·m, depending on engine configuration |
| Fuel Type | Diesel |
| Emission Standard | Euro III / Euro IV / Euro V / Euro VI optional |
| Transmission Brand | Dongfeng / Eaton / ZF optional |
| Transmission Type | 12-speed / 14-speed manual transmission or 12-speed AMT |
| Transmission Model | Dongfeng DT1425 / Eaton 12-speed / ZF TraXon 12TX series optional |
| Clutch | Approx. 430 mm diaphragm spring clutch; automated clutch with AMT configuration |
| Cab | KX or GX high-roof long-distance sleeper cab |
| Cab Floor | Low-floor or flat-floor configuration according to model |
| Cab Suspension | Four-point mechanical or air suspension optional |
| Sleeper | Single sleeper or double sleeper optional |
| Steering | Left-hand drive or right-hand drive optional |
| Overall Dimension | Approx. 6,300–6,600 mm L × 2,500–2,550 mm W × 3,800–4,000 mm H |
| Wheelbase | Approx. 3,800–4,000 mm |
| Curb Weight | Approx. 8,000–8,500 kg, depending on configuration |
| Gross Vehicle Weight | Approx. 18,000 kg, depending on certification and local regulations |
| Gross Combination Weight | Approx. 40–49 tons for standard highway transportation, depending on local regulations |
| Fifth Wheel | 50# fifth wheel standard; 90# optional according to requirements |
| Fifth Wheel Brand | Dongfeng / JOST or equivalent |
| Fifth Wheel Type | Fixed or sliding fifth wheel optional |
| Fifth Wheel Height | Approx. 1,150–1,350 mm, depending on chassis and tires |
| Axle Configuration | 1 front steering axle + 1 rear drive axle |
| Front Axle | Approx. 7T Dongfeng / Dana heavy-duty front axle |
| Rear Axle | Approx. 13T Dongfeng / Dana heavy-duty rear drive axle |
| Rear Axle Type | Single-reduction axle |
| Rear Axle Ratio | Approx. 2.69–3.64, selected according to route and cargo requirements |
| Differential Lock | Optional according to axle configuration |
| Frame | Lightweight high-strength steel frame |
| Front Suspension | Two-leaf or parabolic leaf spring suspension |
| Rear Suspension | Leaf spring or four-airbag air suspension optional |
| Tire Model | 12R22.5 / 295/80R22.5 / 315/80R22.5 optional |
| Tire Quantity | 6 tires + 1 spare tire |
| Fuel Tank | Approx. 800–1,250 L, single or dual aluminum fuel tanks optional |
| Electrical System | 24V electrical system |
| Brake System | Dual-circuit compressed-air brake system; disc brakes optional |
| Safety System | ABS / EBS / ESC / ASR available; AEBS, LDWS, FCW, HSA and TPMS optional |
| Auxiliary Brake | Engine brake and hydraulic retarder optional |
| Maximum Speed | Approx. 89–120 km/h, depending on engine, transmission and axle ratio |
| Hydraulic System | PTO and hydraulic oil system optional for dump semi-trailer operation |
| Matching Trailer | Skeletal container, refrigerated, flatbed, tanker, sidewall, fence, curtain-side or customized semi-trailer |
| Color | White, red, green, blue, silver, gold or customized |
| Condition | Used / Refurbished / Customized according to stock |
| Customization | Engine, emission, transmission, cab, fifth wheel, axle ratio, suspension, tires, fuel tank, color, logo, driving side and accessories |
Product Details
Typical Applications
- Long-distance highway logistics
- express cargo and parcel transportation
- container transportation
- port and terminal logistics
- skeletal semi-trailer transportation
- refrigerated cargo transportation
- curtain-side trailer transport
- flatbed semi-trailer transportation
- fuel and liquid tanker transportation
- sidewall and fence trailer transport
- agricultural product transportation
- regional distribution
- cross-border logistics
- high-efficiency medium-distance and long-distance cargo transportation
Available Configurations
- 480HP or 520HP Dongfeng Cummins engine
- other power options according to stock
- Cummins ISZ13 or Z14 engine
- Euro III / Euro IV / Euro V / Euro VI emission standard
- left-hand drive or right-hand drive
- KX or GX high-roof cab
- single sleeper or double sleeper
- Dongfeng manual transmission
- Eaton or ZF 12-speed AMT
- 50# or 90# fifth wheel
- fixed or sliding fifth wheel
- different single-reduction rear axle ratios
- rear leaf-spring or air suspension
- 12R22.5, 295/80R22.5 or 315/80R22.5 tires
- single or dual aluminum fuel tanks
- PTO and hydraulic system
- automatic air conditioner
- independent parking air conditioner
- air-suspension driver seat
- refrigerator
- inverter power supply
- cruise control
- ABS
- EBS
- ESC
- AEBS
- LDWS
- FCW
- TPMS
- hydraulic retarder
- customized paint color, logo and export markings
Buyer Support
- Dongfeng KX / GX 4×2 tractor truck combines a premium long-distance cab, high-torque Cummins powertrain and efficient highway chassis
- 480HP and 520HP engine options provide strong power for loaded semi-trailer transportation
- manual and AMT transmission options meet different fleet operating requirements
- the 4×2 axle configuration provides lower curb weight, improved payload efficiency and reduced tire consumption compared with comparable 6×4 tractors
- small-ratio single-reduction rear axles support economical highway cruising
- rear air suspension improves driving comfort, trailer stability and cargo protection
- high-roof cab, double sleeper, air-suspension seat and large storage space reduce driver fatigue
- large-capacity fuel tanks extend operating range and reduce refueling frequency
- engine brake and hydraulic retarder options improve downhill speed control
- multiple active safety systems support safer long-distance operation
- customized configurations are available for different trailers, routes and export markets
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