Mechanical jack,steel jack, forklift jack, bottle jack, car jack 1.capacity :1.5T-25T 2.test load :22-275KN 3. safe and easy Mechanical Jack Mechanical jacks, ... applications. Advantage The biggest advantage of this product over hydraulic jack is: it can sustain the heavy weight and stay ... for a long time while hydralic jack may lower the load due to the hydraulic oil leakage1.Quick braking, safe and ...