product features: Compact automatic three stage flow,most efficiency. Applicable on both one or two wrenches simultaneously. Aluminum oil tank with oil gauge and thermometer. Have Φ100 high pressure gauge. Working pressure�40~700 bar. With efficient radiator,the pump can work 24 hours continuously. The motor can be changed according to the different voltage. You can use manifold to operate 4 wrenches simultaneously. Want to know the size you need? Come visit our website now