DAYUN BRAND NATURAL GAS TRACTOR TRUCK-CGC4253(CNG)

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Adopting with 6x4 driving type,equipped with Weichai WP12 series gas engine with 350PS/380PS, FAST gearbox and Hande axle, Dayun CNG tractor truck CGC4253 arrives 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.

5、Frame
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.


CGC4253Main Technical Parameters
Curb Weight(Chassis)(kg)9750/10700
Gross Vehicle Weight(kg)25000
Max. Speed(km/h)70(full-loading) 100(non-loading)(different matching, different speed)
Horsepower(ps)350、380
Max. Gradeability(%)21
Engine TypeWP12NG350E30(Optional: WP12NG380E30)
Engine ManufacturerWeichai
Driving Type6X4
Driving Axle TypeHande hub reduction/457 single reduction(Optional)
Wheelbase(mm)3800+1350
Frame(mm)300x80x(8+5) (Optional: 300x80x(8+8))
Overall Dimensions(mm)7455x2490x3515
Tyre12R22.5
Gas Cylinder Volume(L)1280L(8x120L+4x80L)(Optional: 8x140L)
Main EquipmentsWeichai power、Fast gearbox、6.5T 457 front axle、STR rear axle、Hydraulic steering、Pneumatic clutch、Cab assembly(high-roof)、Front reduced leaf spring and rear rubber suspension







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Q:Why are the trailer plat inconsistent?
The front car is the front of the license plate. The rear car is the license plate of the trailer. On the one hand, the front and trailer are a kind of vehicles, as vehicles for management, are required on the card. On the other hand, if the trailer does not have the brand, then hang the trailer on the front of the car, will not see the rear of the car brand. This is not allowed by the law, may be deliberately blocked plate number. First, traffic accidents will cause serious consequences.
Q:How many gears are there in the tractor gearbox?
Because of the commonly used or gear shift gear lever, and its gear number is also easy to control (the ideal number of manual transmission is less than 6 gears). So there's only one small lever to control the second transmission.
Q:FAW J6 semi-trailer tractor 390 horsepower quality, how much oil consumption, how much is the price?
Specific depends on what kind of model you buy, and different models of torque output is different (engine torque is the engine output torque from the crankshaft end. Under the condition of fixed power and engine speed is inversely proportional to the speed, the faster the torque is small, and vice versa. It reflects the load capacity of the automobile within a certain range, with high speed and low speed, high speed and low speed run fast, run slow.)
Q:What is the influence of the total quality of the tractor trailer on the actual operation?
Tractor data indicates the quality total quality maximum weight. The quality of quasi saddle. Mass + maximum allowable saddle weight = total quality of quasi Trailer quality refers to the total quality of goods such as: behind the trailer and models of 4250 of the total mass of 25T is its mass is the maximum pressure 9T weight is 16T. The quality of the saddle is more 39.9T more quality goods Trailer allows to pull the more money you earn. But all the cars are overloaded now
Q:Tractor driving reversing skills?
Tractor reversing skills:When the tractor is reversing, the steering wheel rotates in reverse direction with the reverse direction of the bicycle.Two, sharp bend road conditions, reduce the speed.Three, left bend road, the front side to pull out of the tractor.Four, the right-hand bend road, the inside and back should be close to the central line of the road.Five, in the next reversing, do not impatient, must observe the reverse mirror, looking for good cars sense of distance and direction.
Q:What is the cause of the quick jitter of the dual drive of the tractor?
If there is no use of qualified oil in the car, or antifreeze, or impurities in the fuel and cause serious carbon deposition, poor lubrication or engine, or the cooling is not good, will cause the engine jitter.
Q:B2 truck and A2 tractor driver license difference
The B2 driver's license can drive models for heavy and medium truck or large, heavy and medium special vehicles, heavy and medium truck mostly trucks, such as usual on the road often see large trucks to pull muck truck. Large, heavy and medium-sized special operation vehicles refer to vehicles equipped with special equipment or appliances, such as sprinkler, concrete mixer, fire engine, etc..
Q:What are the differences between trailers or trailers?
Trailer chassis, lifting device, lift traction device, hydraulic system, electric control system, vehicle and toolbox etc., with lifting, pulling and lifting traction and other functions, suitable for highway, city road wrecker operation.
Q:Tractor reversing method
National registered architect and constructor examinationPro forma information over the years experience exam simulation questionsRemember, be sure to see the right foot and road intersection distance, do not start the direction of semi-trailer is killed, pour it the right foot into the street at the carriage, this time in the direction to play quickly, as soon as possible to allow the body to come here, remember this time after the car about the left corner
Q:A2 chariotest traction card is what ah?
Want to open large trucks, you can first test B2 driver's license, the requirement is at least 21 years of age. Get B2 driver's license after three years, then apply for additional driving A2 driver's license, that is, at least 24 years of age. B2 according to you can drive big trucks, A2 can drive trailers, semi-trailer. B2 driver's license can be directly tested, do not need to test the car first.

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