D6H Bulldozer Bottom Roller

D6H bulldozer bottom roller

The bulldozer bottom roller is an essential component of a bulldozer's undercarriage system. It is responsible for supporting the weight of the bulldozer and ensuring smooth movement across various terrains. Internally, the bulldozer track roller consists of a shaft, bushings, seals, and bearings. The shaft serves as the core component that connects the roller to the bulldozer's undercarriage. The bushings reduce friction between the shaft and the roller's outer shell, allowing for efficient movement. The seals keep dirt and debris out of the roller, ensuring it operates smoothly. And finally, the bearings provide support and enable the roller to rotate seamlessly. With its robust internal structure, the bulldozer track roller is a crucial component that enables bulldozers to perform heavy-duty tasks with ease.

When it comes to heavy machinery, the Caterpillar bulldozer is one of the most iconic. Among the popular models in this line are the D6H and D6R bulldozers. These two machines are similar but have significant differences that set them apart.

The D6H and D6R are both powerful and reliable pieces of equipment. However, the D6R has a newer design and improved technology. This makes it more efficient and productive. The D6R also has a more comfortable cabin for the operator, which reduces fatigue and increases efficiency.

Another key difference between the two models is their size. The D6R is slightly larger, with a wider blade and longer tracks. This makes it better suited for larger jobs and rough terrain. The D6H, on the other hand, is better suited for smaller and more precise tasks.

Both bulldozers have a high level of durability and can withstand tough conditions. However, the D6R is built with stronger and more advanced materials, making it more durable and able to handle heavier loads and more demanding jobs.

In conclusion, Caterpillar bulldozers are among the best in the industry, and the D6H and D6R models are no exceptions. They are both impressive machines, but the D6R has some added advantages over the D6H, such as a newer design, improved technology, larger size, and stronger materials. Regardless of which model you choose, you can count on Caterpillar bulldozers to get the job done efficiently and reliably.

D6H bulldozer bottom roller

Each roller is precision machined to house special high impact low wear bimetal bushings.

D6H bulldozer bottom roller

Collars of track roller are made by ductile iron. It shows exceptional resisitance to shock.

Technical requirement

1. Check all parts strictly before assembly and clean them

2. A small amount of oil shall be applied to the mating surface of the shaft sleeve and straight shaft before assembly

3. The floating oil seal ring shall be assembled in pairs, and its sealing surface shall be coated with lubricating oil. O-ring and floating oil seal ring

The contact surface shall not be coated with grease, and the assembly of floating seal rubber ring shall not be twisted

4. During assembly, pay attention to the oil groove direction of the shaft and the installation plane of the side cover

5. After assembly, ensure that the axial clearance is 0.4-0.7mm. Rotate the wheel body by hand, and feel the resistance moment, but there is no jamming,

6. After installation, fill in the filtered lubricating oil and check that there is no leakage. Then run in for 3-5 minutes to make it run smoothly

7. The painting color shall comply with jb2299-78 or the customer's requirements

Other more detailed information are as below excel file:

Heattreatment

Welding

Assembly

Warehouse