Compatible with CUMMINS, KOMATSU, NIKKO and many more… Please check the OEM part number with your original unit to ensure fitment. Replaces: NIKKO: 0-33000-2280 0-33000-2281, ITEM DESCRIPTION: ALTERNATOR, UNIT TYPE: NIKKO, VOLTAGE: 24, CURRENT: 13, FAN: EXTERNAL, REGULATOR: INTERNAL, SLOTS: 2, POLARITY: NEGATIVE, B+ TERMINAL: M5-0.8, WEIGHT: 19 LBS / 8.61 KG … Fully Warrantied One Year Computer Tested for Consistent Quality and Unmatched Reliability Alternator – Voltage: 24V Current: 13A Regulator: Internal Source: Aftermarket