HY-2-40A, Manual safety lock release HY-2-40A, Manual safety lock releaseLifting capacity: 4tons(9000LB) Lifting height:1800mm Lifting time: 55S Voltage220v Motor power: 2.2kw Total height: 3590mm Total width: 3419.6mm Innersize between 2post column:2800mm Net weight: 680kgsGross weight:700kgsLoading 35 pcs/40'Container Auto lift