CAT Idlers
Replacement front idler assemblies for CAT excavators, compact track loaders and forestry machines, sorted by machine model. DuraTrack builds each one to OEM specification.
Each assembly comes complete with heavy-duty seal group, shaft and brackets, ready to install. Every idler carries a 12-month warranty.
Stocked in Texas. Order by 4:00pm CT and stocked idlers ship the same day. Find your model below or request a quote to confirm fit and freight to your zip code.
Find parts for your machine
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IdlerCAT 307E Idler Assembly
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IdlerCAT 307E2 Idler Assembly
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IdlerCAT 308 CR Next Gen Idler Assembly
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IdlerCAT 308B SR Idler Assembly
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IdlerCAT 308C CR Idler Assembly
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IdlerCAT 308C SR Idler Assembly
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IdlerCAT 308D CR Idler Assembly
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IdlerCAT 308D SR Idler Assembly
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IdlerCAT 308E CR Idler Assembly
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IdlerCAT 308E SR Idler Assembly
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IdlerCAT 308E2 CR Idler Assembly
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IdlerCAT 309 CR Next Gen Idler Assembly
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IdlerCAT 309 Idler Assembly
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IdlerCAT 310 Next Gen Idler Assembly
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IdlerCAT 311B Idler Assembly
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IdlerCAT 311C Idler Assembly
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IdlerCAT 311C U Idler Assembly
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IdlerCAT 311D Idler Assembly
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IdlerCAT 311D L Idler Assembly
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IdlerCAT 311D LRR Idler Assembly
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IdlerCAT 311E Idler Assembly
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IdlerCAT 311E L Idler Assembly
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IdlerCAT 311F L Idler Assembly
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IdlerCAT 311F LRR Idler Assembly
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IdlerCAT 312 Idler Assembly
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IdlerCAT 312B Idler Assembly
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IdlerCAT 312B L Idler Assembly
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IdlerCAT 312C Idler Assembly
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IdlerCAT 312C L Idler Assembly
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IdlerCAT 312D Idler Assembly
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IdlerCAT 312D L Idler Assembly
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IdlerCAT 312D2 GC Idler Assembly
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IdlerCAT 312D2 L Idler Assembly
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IdlerCAT 312E Idler Assembly
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IdlerCAT 312E L Idler Assembly
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IdlerCAT 312F GC Idler Assembly
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