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If you need a Kubota carrier roller for compact excavators, RD411-22900 is a common high-fitment part for machines like KX040-4, KX057-4, KX057-5, KX121-3, KX161-3, U45-3, U45S, U55, U55-4, and U55-5....
Aftermarket Bobcat undercarriage parts can deliver 80–90% of OEM performance at 40–60% lower cost, making them ideal for cost-conscious fleet managers in Alberta, Ontario, and across Canada. Quality aftermarket options...
Replacing a Bobcat front idler involves relieving track tension via the grease valve, removing the track, unbolting the old idler assembly, mounting the new unit, and re-tensioning the track to...
A CAT excavator carrier roller is failing when the upper track starts sagging, the roller leaks oil, makes metal-on-metal noise, or develops flat spots and seizure. These problems reduce track...
The Caterpillar 304-1878 is a double-flange front idler used on selected CAT compact track loaders. Common applications include the 259B3, 259D, 259D3, 279C, 289C, 299C, 299D, 299D2, and 299D3. Before...
A Kubota carrier roller fails when wear, contamination, or track tension problems stop it from turning smoothly. The first signs are noise, heat, wobble, track sag, and oil loss. Fast...
If your CAT 303.5 or 304 mini excavator starts throwing tracks, squealing, or losing tension, the front idler is often the first place to look. The job is usually straightforward:...
To replace a Bobcat front idler, relieve track tension via the grease fitting, remove the track, unbolt the worn idler (part 6693237), slide in the new assembly, and reinstall the...
If your Hitachi excavator track is sagging, making grinding noise, or feeling rough in travel, the carrier roller is often the first part to suspect. A worn or seized top...
Bobcat part 6693238 is a rear idler (often called a rear/tension idler assembly) that fits many Bobcat compact track loaders including T140, T180, T190, T200, T250, T300, T320, T550, T590,...
If you need a CAT 8E-5600 carrier roller, CR5592 top roller, or a direct-fit Caterpillar excavator undercarriage part, this guide explains compatibility, OEM cross-references, fitment, and buying tips. It is...
If you need a carrier roller for a Hitachi ZX270LC-3 or a John Deere 270D-LC, 9245117 is the first number worth checking. Exact fit still depends on the machine’s model,...
The Bobcat 6815125 front idler assembly guides the track, maintains proper track tension, and helps absorb impact loads at the front of the undercarriage. For Bobcat 337, 341, and 435...