Hitachi 9237948 Top Roller Assembly

The 9237948 top roller is a critical undercarriage component designed to support the track chain on mini excavators. Manufactured to OEM specifications with hardened steel construction and sealed lifetime lubrication, it ensures reliable track alignment and extended service life in demanding construction environments. This carrier roller assembly serves as a direct replacement for Hitachi part number 9237948 and cross-references to John Deere 4718355, 9239529 and Komatsu 20N-30-71200. It fits a wide range of 3 to 4 ton class mini excavators including Hitachi ZX27U, ZX35U, ZX38U, ZX40UR series, John Deere 27D, 35D, 35ZTS, 26G, 35G series and Komatsu PC35MR, PC28UU, PC20-7 models. The unit is supplied fully assembled with bearings and seals installed.