Telescopic-Boom Truck-Mounted Cranes
Truck-Mounted Crane on Dongfeng 6x4 Chassis — DFL1250AW2, 275 kW, 5.6+1.35 m Wheelbase (K04W-979)
Dongfeng DFL1250AW2 6x4 crane-truck chassis (Ref. K04W-979). Euro 2 mechanically controlled diesel, 275 kW, 9.5 L, 12-speed synchronized gearbox, 5,600+1,350 mm wheelbase, 25,000 kg GVW, tandem rear axle at 4.44 ratio. Crane selected to your requirement. LHD standard; RHD on request.
Short answer. This is a Dongfeng DFL1250AW2 6x4 crane-truck chassis — reference K04W-979-012J — on the D310 cab, with a 5,600 + 1,350 mm wheelbase, 11,435 mm overall chassis length and 25,000 kg gross vehicle weight. Power is a water-cooled, turbocharged and intercooled Euro 2 diesel of 275 kW and 1,600 N·m from 9.5 L in six cylinders, through a 12JSD180T gearbox with 12 forward and 2 reverse gears, driving a 13 x 2 t single-reduction tandem rear axle at 4.44 ratio behind a 7 t front axle. The frame is 300 x 90 mm, the tyres are 12R22.5 and the fuel tank holds 400 L. The crane and the cargo body are selected and built to your requirement and confirmed on the quotation; left-hand drive is standard and right-hand drive is available on request, built to order.
Published by Truck Crane China — we build truck-mounted cranes, grab trucks and wrecker trucks on Chinese chassis for export.
This is a 6x4 crane-truck chassis rather than a finished catalogue crane. The base vehicle is a Dongfeng DFL1250AW2 (reference K04W-979-012J) on the D310 cab: three axles, a 5,600 + 1,350 mm wheelbase and 25,000 kg gross vehicle weight, which is what a crane truck needs when it has to carry a full load and work the crane without trading one against the other. The tandem rear axle runs a 4.44 ratio and the frame is 300 mm deep, so the crane and body mount on something that was not already at its limit.
Left-hand drive (LHD) is standard. Right-hand drive (RHD) is available on request and is built to order.
Complete Specifications
Parameter | Value |
|---|---|
Chassis | |
Chassis model | K04W-979-012J (DFL1250AW2) |
Drive type | 6x4 |
Overall chassis length | 11,435 mm |
Cab width | 2,500 mm |
Cab height (unladen) | 3,030 mm |
Wheelbase | 5,600 + 1,350 mm |
Front overhang | 1,480 mm |
Rear overhang | 3,005 mm |
Gross vehicle weight | 25,000 kg |
Curb weight (chassis) | 9,600 kg |
Frame width (front / rear) | 940 / 860 mm |
Frame section (height x width) | 300 x 90 mm |
Engine | |
Model | LK375 33 |
Emission level | Euro 2 |
Maximum power | 275 kW |
Maximum torque | 1,600 N·m at 1,100 – 1,400 rpm |
Number of cylinders | 6 |
Displacement | 9.5 L |
Bore x stroke | 114 x 145 mm |
Engine type | Water-cooled, turbocharged, intercooled, with starting heater |
Clutch | |
Model | SACHS |
Plate diameter | 430 mm |
Operation | Pull type, hydraulic with air booster |
Transmission | |
Gearbox model | 12JSD180T |
Number of gears | 12 forward + 2 reverse |
Synchronizers | Yes |
Forward ratios | 15.53 / 12.08 / 9.39 / 7.33 / 5.73 / 4.46 / 3.48 / 2.71 / 2.10 / 1.64 / 1.28 / 1.00 |
Reverse ratios | 14.86 / 3.33 |
Brakes | |
Service brake | Full air brake, split pneumatic circuit |
Parking brake | Spring brake acting on the rear axles |
Exhaust brake | Yes |
ABS | Yes |
Cab | |
Cab | D310 sleeper cab, forward control, low roof, new face |
Construction | All-welded steel, tilt type |
Cab tilting | Mechanical |
Cab suspension | Rear mechanical |
Driver's seat | Adjustable |
Axles | |
Front axle | Elliot type, I-beam section |
Front axle capacity | 7 t |
Rear axle | Single reduction tandem axle |
Rear axle ratio | 4.44 |
Rear axle capacity | 13 x 2 t |
Tyres and suspension | |
Tyres | 12R22.5 |
Front suspension | Leaf spring, 9 leaves, with shock absorbers |
Rear suspension | Leaf spring, 10 leaves |
Electrical and fuel | |
Battery | 24 V |
Battery capacity | 165 x 2 A·h |
Fuel tank | Steel, with lockable cap |
Fuel tank capacity | 400 L |
Configuration | |
Steering | Left-hand drive (LHD) standard. Right-hand drive (RHD) available on request. |
Crane | Selected to your requirement — confirmed on the quotation. |
Cargo body | Built to your requirement — confirmed on the quotation. |
Crane, Body and Steering
The crane is not fixed on this page because it is not fixed on the truck. We fit cranes from our own production or sourced to your specification — brands including WHHC, XCMG, SANY and Zoomlion — and the rated capacity, boom sections, maximum reach and the crane's own load chart are confirmed on the quotation rather than assumed here. Tell us the loads you handle and the reach you need, and the crane is matched to the job and to this chassis's front-axle and gross-weight limits.
Send us the job — the loads, the reach you need and where the truck has to work — and we will come back with the complete build: chassis, crane, body, the load chart for the crane we propose, and the price.
Questions buyers ask about the Dongfeng 6x4 DFL1250AW2
Why a 6x4 chassis for a crane truck?
Three axles, a 5,600 + 1,350 mm wheelbase and 25,000 kg gross vehicle weight are what a crane truck needs when it has to carry a full load and work the crane without trading one against the other. The tandem rear axle runs a 4.44 ratio and the frame is 300 mm deep, so the crane and body mount on something that was not already at its limit.
What engine and transmission does this chassis use?
An LK375 33 Euro 2 diesel of 275 kW and 1,600 N·m at 1,100 – 1,400 rpm, 9.5 L in six cylinders with a 114 x 145 mm bore x stroke, water-cooled, turbocharged and intercooled with a starting heater. It drives a 12JSD180T gearbox with 12 forward and 2 reverse gears and synchronizers, through a SACHS 430 mm clutch, pull type, hydraulic with air booster.
What brakes are fitted?
A full air service brake on a split pneumatic circuit, with a spring parking brake acting on the rear axles, plus an exhaust brake. ABS is fitted.
What axles, suspension and tyres does it run?
An Elliot type I-beam front axle rated 7 t, and a single reduction tandem rear axle rated 13 x 2 t at 4.44 ratio. Tyres are 12R22.5; the front suspension is a leaf spring with 9 leaves and shock absorbers, the rear a leaf spring with 10 leaves.
What cab and fuel capacity come with it?
A D310 sleeper cab, forward control with low roof and new face, all-welded steel and tilt type, mechanically tilted with rear mechanical cab suspension and an adjustable driver's seat. Fuel is carried in a 400 L steel tank with a lockable cap, and the battery is 24 V at 165 x 2 A·h.
Is it left- or right-hand drive, and is the crane fixed?
Left-hand drive is standard and right-hand drive is available on request, built to order. The crane and the cargo body are built to your requirement and confirmed on the quotation, matched to the loads you handle, the reach you need and this chassis's front-axle and gross-weight limits.
Related Reading
Choosing the crane: How to Read a Load Chart Before You Choose a Crane, Specifying a Truck-Mounted Crane for Your Market, How a Truck-Mounted Crane Is Built, Chinese Crane Truck Brands Compared, Mechanical or Electronic Injection, for Your Market.
Other builds in this range: Crane on Dongfeng, 5 t / 125 kN·m and Crane on Dongfeng, 8 t / 200 kN·m, 4-Section Telescopic Boom. The full range is listed here. Related reading: How to Read a Load Chart Before You Choose a Crane and 5 t to 16 t Truck Mounted Crane: Choosing the Class.
