PRODUCT SPECIFICATIONS Petrol engine model customized Petrol engine rated power 7hp Petrol engine speed 3500-3600r / min Sleeve quantity 2pcs Spindle speed 136r / min Sleeve 2 pieces Sleeve center distance 214 ± 0.5mm Adjustable tightening torque 80-350 N m Max releasing torque 600N m Light Yes Working efficiency 3min Machine weight 70kg Reversing lever Yes Up and down time (min) 2 Overall size 825585975mm