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Top Rollers

Top rollers (carrier rollers) for excavators and dozers. Single and double flange options available.

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Top rollers (carrier rollers) for excavators and dozers

Top rollers, also called carrier rollers, sit on top of the track frame and support the chain on its return run, keeping it aligned as it travels back to the idler. DuraTrack top rollers include shaft type carrier rollers, manufactured to OEM specification in ISO 9001 approved facilities.

Construction

  • Forged roller shells, friction welded or submerged arc welded, heat treated by differential quenching or through hardening
  • Shafts in forged alloy or rolled carbon steel, hardened
  • Roller bolts are 10.9 grade, forged from alloy steel and heat treated to OEM specification

When to replace

Check carrier rollers whenever the undercarriage is inspected. The Astrak wear report records top roller and bottom roller wear against new dimensions, so both sets can be planned together with the bottom rollers.

Top rollers are part of the full DuraTrack undercarriage range, alongside idlers, sprockets and track chains. Use the parts finder above to select your machine, or contact the team with the make, model and serial number.

Top rollers by machine make

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ISO 9001, 14001 and 45001 certified