| After-sales Service: | Support |
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| Warranty: | 12 Months |
| Type: | Heavy Duty Truck Parts |
| Material: | Steel |
| Model No: | Qt440sh2-2502000 |
| Application: | Foton Auman; Qingdao Jiefang |
| Samples: |
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| Customization: |
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Suppliers with verified business licenses
Audited Supplier 
(1) Mating parts with stable and reliable quality.
(2) The matching product components of the main engine are adopted.
(3) Self inspection, patrol inspection and completion inspection to ensure 100% pass rate of products.
(4) Packaged in a branded wooden case with foam, with maintenance gloves and other tools included.
The working principleof the main reducer assembly
The working principleof the main reducer decelerates the power output by the transmission again to increase the torque, and then transmits the power to the differential.
The type of main reducer
(1) Single stage main reducer: the main reducer of most vehicles is single-stage main reducer, and the deceleration type is ordinary helical gear type or bevel gear type:
The bevel gear main reducer is widely used in the rear axle of rear drive vehicles. The output power of the transmission is transmitted to the driving bevel gear through the transmission shaft and to the differential after being decelerated by the driven bevel gear. Ordinary helical gear main reducer is used in the transmission of front drive vehicles.
Note: for the main reducer in the transmission of front drive vehicles, if the engine is transversely placed in the engine room, the main reducer is of ordinary helical gear type; If the engine is placed longitudinally in the engine room, the main reducer is of bevel gear type
(2) Double stage main reducer: double stage main reducer is often used on heavy trucks. The first stage is bevel gear reduction, and the second stage is ordinary helical gear reduction.
Q1. Are you a factory or trading company?
We are a factory integrating research, development, production and sales.
Q2. What are the advantages of your products?
We support product customization to meet customer needs for special products. We can strictly control the products from raw materials to production, processing, product quality inspection, delivery, packaging, etc., and provide customers with high-end products and the most advantageous prices.
Q3. How about products price?
We are a factory, all products are direct sale at factory price. For the same price, we will provide the best quality; for the same quality, we have the most advantageous price.
Q4. What is your terms of packing?
We have branded packaging and neutral packaging, and we can also do what you want with authorization. This is flexible.
Q5. How to guarantee your after-sales service?
Strict inspection during production, Strictly check the products before shipment to ensure our packaging in good condition. Track and receive feedback from customer regularly. Our products warranty is 365 days.
Each product provides quality assurance service. If there is a problem with the product within the warranty period, the customer can negotiate with us in detail about the related claims, and we will do our best to satisfy the customer.
Q6. How can I accurately buy the products I need?
We need accurate product number, If you can't provide product number, you can send us your product picture, or tell us your truck model, engine name plate, and so on. we will
determine exactly what you need products.
Q7. Do you accept third party inspection?
Yes.we do
Q8. How about your delivery time?
Generally, it will take 3 to 10 days after receiving your advance payment. The specific delivery time depends on the items and the quantity of your order.
Q9. What are your brand agency conditions and advantages?
After we sign an agent in one city, we will not sign a second company to protect the agent's brand advantage and price advantage. And we will help the agent develop customers and solve all kinds of difficult and miscellaneous problems about products.
Q10. What is your terms of payment?
By TT or LC. We'll show you the photos of the products and packages before you pay the balance.
Suppliers with verified business licenses
Audited Supplier 
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