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Adopting 6×2 driving type, equipped with Weichai WP10 series diesel engine with High-pressure & Common rail or EGR ranged from 270PS to 375PS, various models of FAST gearbox and  Pengxiang 457 dual front axle & Hande single/double reduction rear axle, Dayun tractor truck CGC4220 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.

CGC4220Main Technical Parameters
Curb Weight(kg)7985
Gross Vehicle Weight(kg)22000
Fifth Wheel Max. Payload(kg)13885,13820
Permitted Total Towing(kg)37885,37820
Max. Speed(km/h)95(full-loading)、120(non-loading)
Max. Gradeability(%)30
Engine TypeWP10.270 、WP10.270N、WP10.290、WP10.336、WP10.300N、WP10.336N、WP10.375、WP10.290E32、WP10.310E32、 WP10.340E32
Engine ManufacturerWeichai
Driving Type6X2
Driving Axle TypeSingle Reduction/Double Reduction
Fifth Wheel90#、50#
Overall Dimensions(mm)6790X2490X3515(high roof)6790X2490X3160(low roof)
Main EquipmentsWeichai power、Fast gearbox、Pengxiang 6.5T 457 double steering front axle、Hande 13T single reduction/double reduction rear axle、Hydraulic steering、Pneumatic clutch、Manual air conditioner、Cab assembly(high-roof/low-roof)

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Q:The tractor traction total quality is 40 tons, how many goods can the trailer load without overloading?
According to the present laws and regulations, the lightest weight of the trailer is 6 tons, plus 34 tons of goods, 40 tons, that is to say, the maximum can be installed 34 tons, not overloaded. But the country calculates 9 tons according to the traction truck weight, that is to say, the police calculate according to the total weight of the car freight 49. But now the four after the first four car weight is low, sometimes even 7.5 tons, 35.5 tons of the Dora is not overloaded, but according to the road four after the first four traction force is not enough, 8.5 tons of double drive, is not over 34.5. Highway is in accordance with the 6 axis, no more than 55 calculations
Q:The difference between heavy truck chassis, semi trailer tractor and heavy truck
This is the general and special, you can use the semi light overload is also heavy vehicle site configuration is better.
Q:What does a tractor do? It feels like a front. There's nothing behind it
The tractor is simply between the front and the carriage is a tool used for traction (which is the front of the vehicle can be separated from the original carriage and other traction carriage, and the carriage can also be detached from the original front by other locomotives traction) large trucks in general (trailer).
Q:What's the difference between a tractor or a truck?
The tractor (a tractor; a tractor truck; a traction-engine), said simply is between the front and the carriage is a tool used for traction (which is the front of the vehicle can be separated from the original carriage and other traction box, and the box can also be detached from the original front by other locomotives traction) large trucks in general
Q:Matching requirements for tractors and semi trailers
Tractors and semi - Trailer collocation, from height, to consider the height of the front traction seat, to determine the height of the suspension.General domestic several large tractor production giant's height is not uniform, at 1.35 meters --1.42 meters.
Q:What do you mean by "brakeair"?
Break is the braking system. The engine trouble light is normally a light on the key and then goes off after starting. If it starts, it turns on. Indicate the engine is out of order, the computer records the engine malfunction and lights up. To read the fault code with the decoder, you'll know where it is.
Q:FAW J6 semi-trailer tractor 390 horsepower quality, how much oil consumption, how much is the price?
The same power, the greater the output torque, the better. The differential speed ratio is also different (the gear ratio of the main reducer in the automobile drive axle). I'm here to tell you something about overloading. I hope it will help you. Our daily life is more than 100 tons, with 9 speed transmission (12 speed slightly higher prices, mainly we pull goods speed is wasted, at 45--50km/h. 12 speeds is too high, easy to burst with the feeling of J6) overall economy, long service life, not bad. Repair cost is more expensive, we began a liberation from the J5 and the amount of F2000 was ourway, Williams than that J5P Aowei really is a good impress, two years Williams F2000 while using he is in need of repair, the problem constantly.. J6 is also used Aowei engine but it uses more advanced N series. It's OK to use it. It may be different from the usage in every region. See what cars are driving what car, we mainly buy J6350P, and J6, 370P. Dual drive stability, but the bend is not so flexible, there is a forward force, because the double drive wheel and steering wheel distance into a certain centrifugal force.
Q:What does traction Trailer mean?
The total weight of the trailer by its own bear called full trailer, usually full Trailer Trailer. Also referred to as features: no power itself, independent of bearing, rely on other vehicle traction vehicle trailer driving is the design and technical characteristics required by the automobile traction, a non powered road vehicles, can be used normally for: carrying passengers or goods for special purposes.
Q:Tractor running logistics, single drive or double drive good?
If 6 x 4 tractor, the wheel will not be chewed, a year can save thousands of dollars. EFI better than the big stick, fuel-efficient.
Q:What does the total quality of the tractor mean?
Truck:Service quality: the quality of the vehicle itself (of various liquid containers according to the standard fill)Approved quality: the vehicle design specifies the standard quality of the goods to be loadedTotal quality: service quality + permitted weight + quality (cab seat occupant number x65kg)

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