Replacement track rollers (bottom rollers) for Hitachi machines, covering the EX and ZX series, each one listed against the Hitachi model it fits.
Models covered include the Hitachi EX18-2, EX27U, EX35U, EX40UR-2, EX58MU, EX100-2, EX130 H-5, ZX29U-3, ZX38U-3, ZX55U-5, ZX85USB-3 and ZX130-6, with the full list of Hitachi models below.
Track rollers carry the weight of the machine along the bottom of the undercarriage. Rollers in this range are built with a heat treated steel casing, sealed shaft and bearings, an oil fill and heavy duty seals.