Farm Jack is a mechanical jack with auto lock pin, ideal for lifting, pulling, clamping and spreading on tractors and 4-wheel drive vehicles.
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In principle, the hydraulic jack is based on Pascal principle, that is, the pressure of the liquid is the same everywhere, so in a balanced system, the pressure exerted on the smaller piston is relatively small, and the pressure exerted on the larger piston is also relatively large, which can keep t