Specifications: 1) Maximum lifting capacity: 3,500 - 4,000kg 2) Time to lift and descend: 40 - 60s 3) Lifting height: a) Main frame: 1,750mm b) Second frame: 450mm 4) Plain stage: a) Length: 4,200mm b) Width: 610mm 5) Weight: 1,800 - 2,000kg 6) Motor power: 2.2kW 7) Power supply: 110 / 220V (1ph), 380V (3ph) 8) Hydraulic oil: 20# durable hydraulic oil