1.35 Amp, 12 Volt, CW Rotation 2.Reg. Type: ER (External Regulator) 3.Fan Type: EF (External Fan) spec:12V1-1573-00BO ER/EF Alternator for Bosch 35 Amp, 12 Volt, CW Rotation Reg. Type: ER (External Regulator) Fan Type: EF (External Fan) Mtg. Ear Clocking: 02: 00 Mtg. Ear Hole Size: M8 x 1.25Lenghth:200,Width: 200,Height/Depth:180User Weight :2Kg ac 12v Alternator