Bulldozer Carrier Roller Undercarrige Component Parts

Advanced Germany KUKA automatic machining center ensures the accuracy of assembly dimensions. This maximize the life span of our carrier rollers.


  • FinishSmooth

Bulldozer Carrier Roller Undercarriage Component Parts Forging Top Rollers


1. Carrier Roller Structure 


Carrier Roller Structure

The carrier roller is made of roller shell, shaft, o-rings, bi-metallic bushing bronze and seal group. It is made by forging, machining, heat treatment, assembly, painting etc.


2. Why Choose Us?


  • Through quench-tempering processes to ensure excellent mechanical properties, high strength and superior wear resistance to bending and breakage.
  • Advanced Germany KUKA automatic machining center, horizontal and vertical CNC machining ensure the accuracy of assembly dimensions. This is to maximize the life span of each component and minimize production cost.
  • Panasonic automatic welding robot from Japan makes sure we have steady and good welding quality.
  • We have complete production line and professional designers and working team. We can also produce any requested parts according to your blue print or samples.



3. Main Dimensions of Installation


Top roller drawings

Main Parameters

Type Model Main Dimensions of Installation
A B D S M N G
Dozer D5 200 170 175 47.8
D6D/D6E 215 187.5 188 47.7
D6H 215 185 190 57.15
D7G 222 190 204 57.3
D20 142 120 110 40 100 50 12.5
D31 170 142 124 44
D40 190 165 176 55
D50 190 165 176 55
D60 215 185 200 61
D80 210 180 212 58

The models above are just for reference, we can't list all models here. We can supply more products as your requirements. Please feel free to send us your inquiry.


4. Manufacturing Processes


Carrier roller manufacturing


5. Main Types of Carrier Rollers


Main types of carrier rollers


Carrier rollers are a mechanism that allows vehicles to move using tracks. Mounted on brackets that extend above the track frame, carrier rollers increase the vehicle's contact surface with the ground, reducing unit pressure and improving road accessibility.


6. Compatible Brands


Excavator and Bulldozer Brands


7. Customer Feedback


Carrier roller feedback


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