interchangeable with prestolite 8sc series alternator operating voltage：28v voltage regulation：28.5±0.2v max. output current(hot)：150a operating ambient：-40℃-90℃ max.speed(continuous)：8000r/min ratation:clockwise,viewing from drive end operating ambient：-40℃-90℃ operating speed：6000r/min max.speed：8000r/min 4,performance parameter： cold：u=27v n=1500r/min i≥60a u=27v n=6000r/min i≥170a hot：u=27v n=1500r/min i≥52a u=27v n=6000r/min i≥150a the alternator has eight paw-poles mounting dimensions can be customized. choice belt-pulley weight:14kg