
D8h/D8K Cr3512 Bulldozer Spare Parts Carrier Roller
The bulldozer carrier roller is used to hold the track upward so that the track has a certain degree of tension.
Product Introduction
We have recruited a large number of scientific and technological talents and management talents to improve the quality our Track Roller Assy, Front Idler D20, Track Link EX200-2 EX200-3 EX200-5 and the management level of our company. On the basis of consolidating quality first, we should also provide better products and services for customers. This whole selection of fine products offers our customers different choices. In order to improve the overall economic benefits, it is necessary to speed up the reform of enterprise management while doing a good job in the basic work of enterprise management.
Production description
The bulldozer carrier roller is used to hold the track upward so that the track has a certain degree of tension.
Quick detail:
Origin: | Fujian,China | Brand | SQ, GTR |
Model: | BD2G | Hardness of trail surface | HRC52-58 |
Color | Yellow, black, gray | Roller body material | 50MN |
Delivery time | 20-45days | Warranty time | 6 months |
Name | Bulldozer top rollers | Machine type | Crawler tracked bulldozer |
Advantages
Bimetal bushing of our bulldozer upper rollers is based on steel plate which special alloy is sintered on it. It shows high loading ability and high ability of fatigue resistance.
The design of double-cone sealing and lubrication for life makes the carrier roller have long life time and perfect performance under any working condition.
Lubrication oil
Lubrication oil of our bulldozer top rollers is selected carefully. It can lubricate shaft and bushing well to lower the wearing utmostly. And it can cool the roller perfectly. Those maximize the inner structure life.
Differential type of quenching or through type of quenching heattreatment can ensure certain heat treatment hardness depth and so give good anti-cracking effects.
Sizes

Structure

Supply ability
We can manufacture around 25000pcs of track roller and carrier roller one month.
Other more detailed information of mini excavator top rollers:
Description | Bulldozer carrier roller BD2G |
Machine weight range | 1.5t to 95.3t |
Material | ductile iron or alloy steel for track roller collers |
| 45#,50MN or 40MN2 for carrier roller assy bodies | |
| 45# or 40Cr for carrier rollerassy shafts | |
Manufacturing method | casing ,forging,heat treatment,lathing,milling,drilling,grinding,oil leakage testing,assembly,painting |
Color | As per customer’s requirements |
Packing | Standard seaworthy wooden pallets |
Port of shipment | Xiamen,Quanzhou,China |
OEM and ODM | Acceptable |
Payment term | TT and LC |
Our bulldozer upper rollers is applicable to below models:
KOMATSU | D20-3 D20-5 D31-15/16 D31-17/7 D41 D50 51 D60 D65 D61PX-15 D80 D85 D85EX-15 D85PX-15 D155 D275 D275 D475 |
E SERIAL | D3C D4D D5B D6C D6D D7F D7G D8K D8N D9N D10N D11N D4H D5H D6H |
OTHERS | BD2G TD21 |
Our factory in Quanzhou city, Fujian, China
Our factory is located in Quanzhou city which is the cultural capital of east asia, the starting point of the silk road at sea.
Our many products are undercarriage parts(track roller,carrier roller,sprocket rim,front idler,track link) for crawler-tracked machiner like bulldozers, excavators,cranes,drillers etc.
After many years at this field, we developed many of parts of most of popular brands abroad and domestic.So we can meet the requirements of most customers abroad and domestic too.what is more, we can develop parts as per customers’ drawings or samples. We are looking forward to cooperation with you at win win relationship very soon!

FAQ
1. Are you a manufacturer or a trader?
We are a manufacturer. We do forging and casting by ourselves. And our factory is located in Quanzhou city, Fujina, China.
2. How could you know if our parts are fitted to machines?
Please offer us the detailed machine models or mounting sizes.
3. How about the payment terms?
TT 30 percent deposit,and TT 70percent balance after seeing the scan copy of bill of lading or LC at sight.
4. What is the delivery time?
Generally speaking, the delivery time is 20days to 45days.it depend on how many items for a order. But if the whole order are 200 serial track roller(bottom roller, lower roller), the delivery time is within 10days.
We always believe that one's character decides products' quality, the details decides products' high-quality, together with the REALISTIC, EFFICIENT AND INNOVATIVE crew spirit for D8h/D8K Cr3512 Bulldozer Spare Parts Carrier Roller. Our good working environment, excellent sales team, and well-trained technical personnel have established a good communication bridge between us and our customers. Since the establishment of our company, we have been adhering to modern scientific management, and we have been dedicated to serving users with high-quality product quality and good after-sales service.
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