Support Roller# Bulldozer Carrier Roller# Track Upper Roller# Top Roller For Dozer# Upper Roller

The process flow of top roller shell and shaft as below:

The material of the roller shell is generally 50Mn, the main process is casting or forging,Machining, and then heat treatment, the hardness of the wheel surface after quenching should reach HRC45~52. To increase the wear resistance of the wheel surface.
Carrier Roller : forged material (50MN)
Depth: 6mm (Shaft1.5-2mm) Hardness: HRC50
Carrier Roller body: Forging – turning – quenching – fine turning – pressure bushing – welding slag shovel (cleaning the surface of the machine body)

FAQ

1. You are a trader or a manufacture?
We are manufacturer, we can export excavator and bulldozer parts directly, our factory located on Quanzhou city,China.

2. How can I be sure the part will fit my excavator?
Give us correct model number/machine serial number/ any numbers on the parts itself. Or measure the parts give us dimension or drawing.

3. How about the payment terms?
We usually accept T/T or Trade Assurance. Other terms also could be negotiated.

4. What is your minimum order?
It depends on what you are buying. Normally, our minimum order is one 20’ full container and LCL container (less than a container load) can be acceptable.

5. What is your delivery time?
About 25 days. If there are any parts in stock , our delivery time is only 0-7 days.

6. What about Quality Control?
We have a perfect QC system for the perfect products. A team who will detect the product quality and specification piece carefully, monitoring every production process until packing is complete, to ensure product safety into container.

7. Can your factory print our logo on the products?
Yes, if the quantity is accepted, we can do customer’s logo on the product with the permission from customers.