Compatible with Hitachi Construction & Industrial(s) EX40, EX50. Compatible with Hitachi Mini Excavator(s) EX45, EX50U, EX55UR, EX58MU. Replaces Hitachi OEM nos 4357785. Compatible with John Deere Mini Excavator(s) 50C ZTS, 50 ZTS. Replaces John Deere OEM nos 4357785, AT251282.