Caterpillar Style Non-Reversible Center Segment Edge Protection 100-6668NR, Caterpillar Style Bolt On Center Segment, Track Loader & Wheel Loader Segment Edge, Caterpillar Segment Edge, CAT Replacement Bolt-On Segments China Factory Non-Reversible Center Segment 100-6668NR Feature: Part No.: 100-6668NR Type: Loader Segment Edge Protection Material: High carbon steel or Boron steel Compatible Machine Models: CAT Loader TRACK […]
386-0791 Caterpillar 302.7D Bottom Roller, Track Roller CATERPILLAR Friction Welding Bottom Track Roller, Caterpillar Dozer Excavator Track Rollers, Dozer Undercarriage Parts, flanged track roller, bulldozer track rollers, Replacement Cat style Roller Carrier, Undercarriage Parts, OEM Earthmoving Spare Parts Bottom Roller Track Rollers for Caterpillar supplier from China
386-0791 Caterpillar 302.7D Bottom Roller Detail Information
Product Bottom / Track Roller
Quantity Per Machine 6
Guaranteed to fit the CAT 302.7D, our Bottom Rollers are the ideal choice for all operators looking for quality and value
Heat treated steel casing
Sealed shaft and bearings
Heavy duty seals
Quality:Heat Treatment HRC 40-55
Color:Black Or Yellow
Warranty Time:12-18 Months
Shipment:By Air, Ship
High Light:flanged track roller, bulldozer track rollers
This is the aftermarket replacement bottom roller for the Caterpillar 302.4D and 302.7DCR mini excavators.
Alternate Part Number:
Caterpillar dealer part number: 386-0791
Caterpillar: 302.4D, 302.7DCR
Alternate Part: There are no known alternate part listings. This track roller is guaranteed to fit.
RELATED CAT 302.4D 30.27DCR UNDERCARRIAGE
Idler 379-2885 or 386-0728 (must verify)
This maintenance free Bottom Roller was made of the highest quality hardened steel with sealed bearings to protect them from foreign debris, manufactured to exact OEM specs providing you dependable service while operating in the most extreme conditions.
The HCE PARTS undercarriage product line serves both the heavy equipment and industrial markets with rubber track machinery such as Excavators, Mini Excavators, Compact Track Loaders, Mini Skid Steers, and Mini Dozers. We offer one of the most dependable complete range of Rollers, Drive Sprockets, and Idler Wheels in the industry. CAT 302.5 Mini Excavator Bottom Roller, CAT EXCAVATOR ROLLERS 302.5C 303CCR 266-8793
It is a mechanism that allows vehicles to move using tracks. They increase the contact surface of the vehicle with the ground – reduce the unit pressure and improve the road passability. The caterpillars are of course used in excavators, but also in tanks, bulldozers and armored personnel carriers. In general, tracks are used on machines that maneuver over unrestrained surfaces. The basic track system consists of an endless track belt which surrounds the load wheels. Most designs include a track drive wheel and a guide wheel separately. Additionally, support rollers as well as a tension wheel can be used.
The figure on the right shows a diagram of an example of a caterpillar track system:
1. track roller
2. carrier roller
3. front idler
5. track link
6. final drive
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