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Adopting 6×4 driving type, equipped with Weichai WP10 series diesel engine with High-pressure & Common rail ranged from 336PS to 375PS, various models of FAST gearbox, Hande hub reduction dual rear axle and firm frame, Dayun lightweight tractor truck CGC4252/CGC4251 achieves domestic first-class level and also enjoys comfort of Euro-type cab.


1、European driving cab
The European large cab is ergonomically designed and comfortable. It enables the cab to bear over 50% impact by means of
adopting all-metal frame, bird's nest structure design, domestic pioneering energy-absorbing bumper and four-point suspension structure. The designs all enable the cab’s safety and comfort.

2、Spacious and comfortable sleeper design
Spacious sleeper in the cab and thickened sleeper pad enable the cab to be more comfortable for rest. Good sleeper fabric
texture makes it more dirt resistant and durable. The fixing structure of upper bunk becomes more reasonable, the sleeper support and safety protection device are increased and the fixed mode of the sleeper sunshade is also improved.

3、Multi-bit precise-controlled instrument panel
An adjustable LED five-level circulation background lamp is used. The indicator indicates precise reading and self-testing
can guarantee smooth operation.

4、Automatic Cruise Control System
The user can freely set driving speed and keep driving at fixed speed. The intelligent setting can reduce oil consumption
and enhance driving stability.


1、Weichai Power
Weichai engine is designed with the new bypass valve pressurizer, to improve the working efficiency under low speed. The
new engine can increase the low-speed torque by about 12% and reduce the oil consumption by 10%-15% with the oil calibration of the oil spraying pump in the low-speed area. Weichai engine has reliable quality and long lifetime, which make driving more comfortable in effective and economical way.

2、Hande axle
Shaanxi Hande axles are fully optimized. The axle housing is completely thickened and its work section height is increased.
A new quenching technology is applied to the whole half housing, so the whole bending-resistance capability of the driving axle is improved by about 30%. The new quenching technology can enhance gear strength and eliminate possible gear collision.

3、Fast gearbox
Equipped with the heavy automobile transmission which applied American Eaton technology from Shaanxi Fast. Its novel and
advanced design eases gear switching and also improves the bearing capability which is more stable than its predecessor.

4、Drive shaft with Benz technology
The optimized Benz commercial car drive shaft improves the gear shape of the spline and strengthens the gear root. The
sliding fork is upgraded and improved. The spline shaft is optimized to match the spline cover. The new end gear drive improves bearing on the connection flange. The new nylon painting technology improves the bearing status of the working drive shaft, reduces drive impact and completely reduces internal wearing loss.

Dayun automobile is equipped with the equal-work section and high-break work section twist-resisting and bending-resisting frame. The bending-resisting capability of the truck’s longitudinal beam and round girder is also strengthened by using the Stery technology.

CGC4251Main Technical Parameters(DYX4251PB32WPD3B-BO)
Curb Weight(kg)8840
Gross Vehicle Weight(kg)25000
Fifth Wheel Max. Payload(kg)16030,15965
Permitted Total Towing(kg)40000
Max. Speed(km/h)90(full-loading)、120(non-loading)
Max. Gradeability(%)28
Engine TypeWP10.375
Engine ManufacturerWeichai
Driving Type6X4
Driving Axle TypeDouble Reduction
Fifth Wheel90#
Overall Dimensions(mm)6855X2496X3515(high roof)
Main EquipmentsWeichai power、Fast gearbox(aluminum alloy)、6.5T/7.5T front axle、Hande double reduction dual rear axle(ratio:4.8)、Hydraulic steering、Pneumatic clutch、Semi automatic air conditioner、Cab assembly(high-roof)

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Q:How about using vacuum tires for semi-trailer tractors?
The tractor is not recommended that you use the vacuum table, hanging box with is to reduce the weight of three hundred kg, non driving wheel.
Q:What is the total mass of quasi traction?
That is, the quality of the tractor head (excluding drivers and fuel), the quality of the tractor body, and the quality of the goods to be loaded together, the sum of the three together.
Q:Do you think the semi-trailer 6 or 6 is better than 4 or 2?
Of course, * 4 good strong and not easy to be stuck to.
Q:Large passenger cars, tractors, urban buses, medium-sized buses and large truck drivers should submit their physical conditions every few years
But in the process of the expiration and renewal into replacement business, also need to submit a certificate issued by medical institutions at or above the regimental level physical condition.
Q:Are trailers and tractors the same thing?
Trailers should, as far as possible, follow the path of the tractor, which should be good trailing. Good flexibility is achieved by improving the flexibility of the trailer's steering. There are many forms of the trailer steering mechanism, the common ones are: all wheels are revolving casters (see trolley). The front axle consists of two wheels, and the rear axle is fixed (with the bogie steering Trailer).
Q:How much horsepower is the horsepower of a 30 ton refrigerated truck or semi-trailer?
The J6 is the commercial vehicle of FAW independent research and development, has the characteristics of economy, reliability, engine power, safety and comfort is high power, low noise, fuel consumption than the same type of vehicle 2-3 liters per hundred kilometers. Specific depends on what kind of model you buy, different models of torque output is different (engine torque is the engine from the crankshaft...
Q:Liberate J6 4X2 tractor, how many tons to pull, do not calculate overload? How much horsepower is appropriate in case of nominal loading?
Hello, as for how many tons you are pulling, not overloading, mainly to see the highway. The average 4x2 car carries about 30 tons of mark, no problem, if you can pull 70 tons, no problem. The horsepower is below 310 horsepower, and the gearbox is almost the same as the 9 speed.
Q:What are the special uses of airport tractors and what kind of work do they do?
The airport tractor belongs to the drag and drop special vehicle, which is used to pull the aircraft on the tarmac to leave or return to the taxiway.The characteristics of airport towing vehicle is the body short, wide wheel distance, large power, smooth running.
Q:What kind of tractor is it?
A tractor with a traction device. This problem is the speed at which the tractor draws the accident car
Q:What is the biggest difference between heavy truck, tractor and truck?
As the name suggests is a tractor pulling a trailer, you said the truck should only is a single truck, the biggest difference is the tractor front and container are separated, with a traction wheel together, truck is one of the front and the container are packed in a frame.

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