China Good quality Yvcheng Hongri Farm Tractor Parts 7c Tralier with Hot selling

Product Description

Yucheng Hongri Machinery Factory

Product Technical Parameter

Product description:

Name: Good Quality Beautiful and Durable Farm Trailer for Tractor

The 7C series farm trailer has various types from 0.5T to 15T. The product has reasonable structure; beautiful appearance, economic and durable and can match various types of tractors. The 7C series agriculture divide into the suspension type and half suspension type with the trailer, self-discharging and not self-discharging and so on. The load-carrying capacity matching with each kind of 8-120 horsepower tractor is suitable for road and the field transportation.

Model Unit 7CX-0.5
0.5T Handle farm trailer
1T Handle farm trailer
7C-1.5 / 7CX-1.5 7C-2A / 7CX-2A
Carriage dimension mm 1360*860*330 1800*900*320 2000*1000*450 2400*1200*450
Overall dimension mm 2670*960*1140 2800*1300*1400 3060*1450*1700 / 3060*1450*1780 3500*1600*1660 / 3500*1600*1750
Rated weight kg 500 100 1500 2000
Dead weight kg 132 198 335 / 450 365 / 469
Tyre size/quantity   4.00-12/2 6.00-16/2 6.50-16/2 7.00-16/2
Unload form   Manual assistance(back dump) NO NO  / Hydraulic dump(back) NO  / Hydraulic dump(back)
Brake form   Machanical brake Machanical brake Impact/Air brake Impact/Air brake
Matched power hp 8-12 8-12 12-15 15-18
40Quantity /GP set 150/HQ 90 70 50 / 40


Model Unit 7C-2B / 7CX-2B 7C-2.5 / 7CX-2.5 7C-3 / 7CX-3 7C-3 / 7CX-3 7C-3.5 / 7CX-3.5 7C-4 / 7CX-4
Carriage dimension mm 2100*1500*460 2500*1500*460 3000*1600*460 3400*1700*460 3200*1800*460 3120*1920*460
Overall dimension mm 3320*1600*1750 /
3660*1600*1830 /
4200*1700*1850 /
4750*1800*1950 /
4450*1900*1850 /
4450*2000*1450 /4450*2000*1450
Rated weight kg 2000 2500 3000 3000 3500 4000
Dead weight kg 430 / 495 480 / 600 550 / 695 844 / 1099 630 / 770 820 / 945
Tyre size/quantity   7.00-16/2 7.50-16/2 7.50-16/2 7.00-16/4 7.50-16/2 8.25-16/2
Unload form   NO  / NO  / NO  / NO  / Hydraulic NO  / NO  / Hydraulic
Brake form   Impact/Air brake Impact/Air brake Air brake    Air brake    Air brake    Air brake/ Hand brake
Matched power hp 15-18 18-25 18-25 20-25 25-35 35-40
40Quantity /GP set 35 / 35 25 / 25 24 / 24 18 / 15 24 / 20 24 / 20


Model Unit 7C-4 / 7CX-4 7C-5 / 7CX-5 7CX-5 7C-6 / 7CX-6 7C-8 / 7CX-8 7CX-8
Carriage dimension mm 3800*1700*460 4000*2150*550 4000*2150*550 4500*2150*550 5500*2150*550 4000*2150*550
Overall dimension mm 5250*1800*2050 /
5780*2250*2200 /
5780*2250*2320 6300*2250*2380 /
7300*2250*2380 /
Rated weight kg 4000 5000 5000 6000 8000 8000
Dead weight kg 1155 / 1450 1457 / 1750 1880 1670 / 2060 2180 / 2730 2096
Tyre size/quantity   7.50-16/4 8.25-16/4 8.25-16/4 9.00-16/4 7.50-16/8 7.50-16/8
Unload form   NO  / Hydraulic
dump( left & right )
NO  / Hydraulic
dump( left & right )
dump(left,right and back)
NO  / Hydraulic
dump( left & right )
NO  / Hydraulic
dump( left & right )
Hydraulic dump(left,right and back)
Brake form   Air brake   Air brake   Air brake   Air brake   Air brake   Air brake  
Matched power hp 35-40 40-50 45-55 50-65 60-80 60-80
40Quantity /GP set 15 / 15 10 / 10 10 10 10 10


Model Unit 7C-10 / 7CX-10 7C-12 / 7CX-12 High hurdle trailer-5T Flat trailer-6T(1) Flat trailer-10T(1) Flat trailer-10T(2)
Carriage dimension mm 6000*2150*550 6500*2150*550 4700*2150*1500 6000*2200 6500*2250 6500*2400
Overall dimension mm 7800*2250*2500 /
8600*2250*2650 /
6500*2200*2700 7800*2200*1110 8300*2250*1100 8300*2400*800
Rated weight kg 10000 12000 5000 6000 10000 10000
Dead weight kg 2400 / 3000 2850 / 3400 2150 1750 2050 1850
Tyre size/quantity   8.25-16/8 8.25-16/8 8.25-16/4 8.25-16/4 8.25-16/8 7.00-9
Unload form   NO  / Hydraulic
dump( left & right )
NO  / Hydraulic
dump( left & right )
Brake form   Air brake   Air brake   Air brake   Air brake   Air brake   NO
Matched power hp 80-90 80-100 40-50 50-60 80-90 80-90
40Quantity /GP set 8 / 8 5 / 4 8 6 6 6


Model Unit Flat trailer-11T 7CX-20 7CX-1(E) 7CX-1.5(E) 7CX-2(E) 7CX-3(E)
Carriage dimension mm 6000*2400 8000*2500*1300 2000*1000*330 2000*1000*360 2500*1500*460 3100*1600*460
Overall dimension mm 7850*2400*900 9800*2620*2800 2970*1100*970 2970*1100*1070 3700*1600*1400 4300*1700*1400
Rated weight kg 11000 20000 1000 1500 2000 3000
Dead weight kg 2350 5800 305 350 650 990
Tyre size/quantity   8.25-16/8 9.00-20/8 ST175/80D13 185R14C 10.0/75-15.3 10.0/75-15.3 14PR/2
Unload form   NO Hydraulic dump( left &
right )
Hydraulic dump(back) Hydraulic dump(back) Hydraulic dump(back) Hydraulic dump(back ,
left & right )  
Brake form   Air brake   Air brake   Air brake   Air brake   Air brake/ Hand brake Air brake  
Matched power hp 80-90 80-100 12-18 12-18 18-24 24-30
40Quantity /GP set     40 40 25 16


Model Unit 7CX-3(E) 7CX-3(E) 7CX-4(E) 7CX-5(E) 7CX-5(E)
Carriage dimension mm 3400*1700*460 3400*1700*(460+460) 3400*2000*(460+460) 3700*1900*(460+460) 3700*1900*(460+460)
Overall dimension mm 4900*1820*1360 4900*1820*1810 4900*1820*1860 5571*1990*1855 5571*1990*1855
Rated weight kg 3000 3000 4000 5000 5000
Dead weight kg 1150 1160 1325 1350 1420
Unload form   Hydraulic dump(back ,
left & right )
Hydraulic dump(back) Hydraulic dump(back ,
left & right )
Hydraulic dump(back) Hydraulic dump(back , left
& right )
Brake form   Air brake/ Hand brake Air brake/ Hand brake Air brake/ Hand brake Air brake/ Hand brake Air brake/ Hand brake  
Matched power hp 24-30 24-30 24-30 40-50 40-50
40Quantity /GP set 16 16 16 16 16


Model Unit 7CX-5(E) 7CX-5(E) 7C-7(E) 7CX-7(E) 7CX-8(E)
Carriage dimension mm 4100*2100*550 4100*2100*(550+550) 4100*2100*(460+460) 4100*2100*(460+460) 4100*2100*(550+550)
Overall dimension mm 5830*2200*1715 5830*2200*2265 5830*2200*2050 5830*2200*2050 5830*2200*2260
Rated weight kg 5000 5000 7000 7000 8000
Dead weight kg 1950 2165 1700 2100 2315
Tyre size/quantity   11.5/80-15.3   10PR/4 11.5/80-15.3   10PR/4 10.0/75-15.3   16PR/4 10.0/75-15.3   16PR/4 11.5/80-15.3   16PR/4
Unload form   Hydraulic dump(back ,
left & right )
Hydraulic dump(back ,
left & right )  
NO Hydraulic dump(back , left &
right )
Hydraulic dump(left and
Brake form   Air brake Air brake   Air brake   Air brake   Air brake
Matched power hp 50-60 50-60 50-60 50-60 60-80
40Quantity /GP set 10 10 10 10 10

Product Images:

Packing & shipping:

Normal packing or According to your requirement.
Safe, complete and fast delivery of goods to customers

Our Company :

Business type Manufacture
Location Shiliwang Industrial Zone of HangZhou, ZheJiang ,China
Year Established 2003
Occupied area 50 Acres
Company certification CE, ISO9001
Main product disc harrow, disc plough, trailer, boom sprayer , rotary tillers, potato planter ,plowing blade, plough blade, soil-loosening shovel and so on.      With good quality, excellent performance, our products annually export to countries around the world, and we have gained the majority of customers trust.

After Service: 12 months guarantee of the main parts, we will send the guarantee parts together with the machine in your next order or we can send them by air express if you need it urgently. 

1.Q: Full price list for these products

A: If you need the price list for these products, please notify the product model so that I can quote you accordingly. Please understand we have a very wide product range, we don’t usually offer full products price list. 
2. Q: Business terms
A: Shipment time: 25-40days after your payment
Shipment: By sea
Loading port: HangZhou port, China
Destination port: …To be advised
Payment: T/T, L/C
Warranty: 1 year
3.Q:How can I order from you?
A: Please send us your enquiry list; we will reply you within 2 working days.
4.Q:If the finger I look for are not in your catalogue, what should I do?
A: We can develop it according to your drawing or sample.
5. Q: Why choose Hongri for cooperation? 
A: Comparing with our competitors, we have much more advantages as follows: 

1. More than 30years in manufacturing farming machine.

2. More Professional Sales staffs to guarantee the better service.
3. More agri machines for your choice.
4. More New products into your range to avoid price competition.
5. Larger quantity production and shipment.
6. Better quality to guarantee better Credit. 
7. Faster delivery time: Only7days.
8. More stick quality checking before shipment.
9. More reasonable after-sales service terms.
10. More famous brand: Hongri” brand and “CE”ceitification.
11.Lower repair rate and bad review rate. 
12. We have American Branch to show our main products. We can give customers best service.
If you have any questions, please feel free to contact me.

How to Select a Worm Shaft and Gear For Your Project

You will learn about axial pitch PX and tooth parameters for a Worm Shaft 20 and Gear 22. Detailed information on these 2 components will help you select a suitable Worm Shaft. Read on to learn more….and get your hands on the most advanced gearbox ever created! Here are some tips for selecting a Worm Shaft and Gear for your project!…and a few things to keep in mind.
worm shaft

Gear 22

The tooth profile of Gear 22 on Worm Shaft 20 differs from that of a conventional gear. This is because the teeth of Gear 22 are concave, allowing for better interaction with the threads of the worm shaft 20. The worm’s lead angle causes the worm to self-lock, preventing reverse motion. However, this self-locking mechanism is not entirely dependable. Worm gears are used in numerous industrial applications, from elevators to fishing reels and automotive power steering.
The new gear is installed on a shaft that is secured in an oil seal. To install a new gear, you first need to remove the old gear. Next, you need to unscrew the 2 bolts that hold the gear onto the shaft. Next, you should remove the bearing carrier from the output shaft. Once the worm gear is removed, you need to unscrew the retaining ring. After that, install the bearing cones and the shaft spacer. Make sure that the shaft is tightened properly, but do not over-tighten the plug.
To prevent premature failures, use the right lubricant for the type of worm gear. A high viscosity oil is required for the sliding action of worm gears. In two-thirds of applications, lubricants were insufficient. If the worm is lightly loaded, a low-viscosity oil may be sufficient. Otherwise, a high-viscosity oil is necessary to keep the worm gears in good condition.
Another option is to vary the number of teeth around the gear 22 to reduce the output shaft’s speed. This can be done by setting a specific ratio (for example, 5 or 10 times the motor’s speed) and modifying the worm’s dedendum accordingly. This process will reduce the output shaft’s speed to the desired level. The worm’s dedendum should be adapted to the desired axial pitch.

Worm Shaft 20

When selecting a worm gear, consider the following things to consider. These are high-performance, low-noise gears. They are durable, low-temperature, and long-lasting. Worm gears are widely used in numerous industries and have numerous benefits. Listed below are just some of their benefits. Read on for more information. Worm gears can be difficult to maintain, but with proper maintenance, they can be very reliable.
The worm shaft is configured to be supported in a frame 24. The size of the frame 24 is determined by the center distance between the worm shaft 20 and the output shaft 16. The worm shaft and gear 22 may not come in contact or interfere with 1 another if they are not configured properly. For these reasons, proper assembly is essential. However, if the worm shaft 20 is not properly installed, the assembly will not function.
Another important consideration is the worm material. Some worm gears have brass wheels, which may cause corrosion in the worm. In addition, sulfur-phosphorous EP gear oil activates on the brass wheel. These materials can cause significant loss of load surface. Worm gears should be installed with high-quality lubricant to prevent these problems. There is also a need to choose a material that is high-viscosity and has low friction.
Speed reducers can include many different worm shafts, and each speed reducer will require different ratios. In this case, the speed reducer manufacturer can provide different worm shafts with different thread patterns. The different thread patterns will correspond to different gear ratios. Regardless of the gear ratio, each worm shaft is manufactured from a blank with the desired thread. It will not be difficult to find 1 that fits your needs.
worm shaft

Gear 22’s axial pitch PX

The axial pitch of a worm gear is calculated by using the nominal center distance and the Addendum Factor, a constant. The Center Distance is the distance from the center of the gear to the worm wheel. The worm wheel pitch is also called the worm pitch. Both the dimension and the pitch diameter are taken into consideration when calculating the axial pitch PX for a Gear 22.
The axial pitch, or lead angle, of a worm gear determines how effective it is. The higher the lead angle, the less efficient the gear. Lead angles are directly related to the worm gear’s load capacity. In particular, the angle of the lead is proportional to the length of the stress area on the worm wheel teeth. A worm gear’s load capacity is directly proportional to the amount of root bending stress introduced by cantilever action. A worm with a lead angle of g is almost identical to a helical gear with a helix angle of 90 deg.
In the present invention, an improved method of manufacturing worm shafts is described. The method entails determining the desired axial pitch PX for each reduction ratio and frame size. The axial pitch is established by a method of manufacturing a worm shaft that has a thread that corresponds to the desired gear ratio. A gear is a rotating assembly of parts that are made up of teeth and a worm.
In addition to the axial pitch, a worm gear’s shaft can also be made from different materials. The material used for the gear’s worms is an important consideration in its selection. Worm gears are usually made of steel, which is stronger and corrosion-resistant than other materials. They also require lubrication and may have ground teeth to reduce friction. In addition, worm gears are often quieter than other gears.

Gear 22’s tooth parameters

A study of Gear 22’s tooth parameters revealed that the worm shaft’s deflection depends on various factors. The parameters of the worm gear were varied to account for the worm gear size, pressure angle, and size factor. In addition, the number of worm threads was changed. These parameters are varied based on the ISO/TS 14521 reference gear. This study validates the developed numerical calculation model using experimental results from Lutz and FEM calculations of worm gear shafts.
Using the results from the Lutz test, we can obtain the deflection of the worm shaft using the calculation method of ISO/TS 14521 and DIN 3996. The calculation of the bending diameter of a worm shaft according to the formulas given in AGMA 6022 and DIN 3996 show a good correlation with test results. However, the calculation of the worm shaft using the root diameter of the worm uses a different parameter to calculate the equivalent bending diameter.
The bending stiffness of a worm shaft is calculated through a finite element model (FEM). Using a FEM simulation, the deflection of a worm shaft can be calculated from its toothing parameters. The deflection can be considered for a complete gearbox system as stiffness of the worm toothing is considered. And finally, based on this study, a correction factor is developed.
For an ideal worm gear, the number of thread starts is proportional to the size of the worm. The worm’s diameter and toothing factor are calculated from Equation 9, which is a formula for the worm gear’s root inertia. The distance between the main axes and the worm shaft is determined by Equation 14.
worm shaft

Gear 22’s deflection

To study the effect of toothing parameters on the deflection of a worm shaft, we used a finite element method. The parameters considered are tooth height, pressure angle, size factor, and number of worm threads. Each of these parameters has a different influence on worm shaft bending. Table 1 shows the parameter variations for a reference gear (Gear 22) and a different toothing model. The worm gear size and number of threads determine the deflection of the worm shaft.
The calculation method of ISO/TS 14521 is based on the boundary conditions of the Lutz test setup. This method calculates the deflection of the worm shaft using the finite element method. The experimentally measured shafts were compared to the simulation results. The test results and the correction factor were compared to verify that the calculated deflection is comparable to the measured deflection.
The FEM analysis indicates the effect of tooth parameters on worm shaft bending. Gear 22’s deflection on Worm Shaft can be explained by the ratio of tooth force to mass. The ratio of worm tooth force to mass determines the torque. The ratio between the 2 parameters is the rotational speed. The ratio of worm gear tooth forces to worm shaft mass determines the deflection of worm gears. The deflection of a worm gear has an impact on worm shaft bending capacity, efficiency, and NVH. The continuous development of power density has been achieved through advancements in bronze materials, lubricants, and manufacturing quality.
The main axes of moment of inertia are indicated with the letters A-N. The three-dimensional graphs are identical for the seven-threaded and one-threaded worms. The diagrams also show the axial profiles of each gear. In addition, the main axes of moment of inertia are indicated by a white cross.

China Good quality Yvcheng Hongri Farm Tractor Parts 7c Tralier     with Hot sellingChina Good quality Yvcheng Hongri Farm Tractor Parts 7c Tralier     with Hot selling