Replacement idlers (front idlers and idler assemblies) for CAT machines, each one listed against the CAT model it fits.
Models covered include the CAT 259B3, 279C2, 289C, 297C, 299D3, 304C CR, 307C, 308E CR, 311E L, 312C, 312E and 313D, with the full list of CAT models below.
The idler sets the path the track runs on at the front of the undercarriage. Idler assemblies in this range are built with a heat treated steel casing, sealed shaft and bearings, an oil fill and heavy duty seals.