Hydraulic Jack 1.Max.Loading Weight:3800kg 2.Stroke:250m/m 3.Max.Pressure:700kg/cm 4.Lifting Time:About 15 Sec. SL-630-4 Hydraulic Jack Max.Loading Weight:3800kgStroke:250m/mMax.Pressure:700kg/cmLifting Time:About 15 Sec.Operation:Air HydraulicControl:Hand Operated All of our products are under higher quality control in the assembly line and been precisely tested before being put on the worldwild ...