Fairfax, MN — Perfect for mobile containers, food trucks, show booths, storage units, non-wired outbuildings and other off-the-grid applications, Schweiss Doors has introduced a new compact hydraulic pump that can open and close hydraulic doors up to 24' x 12' with a cordless drill or by hand. The drill-driven compact hydraulic pump system allows customers to enjoy all the benefits of a Schweiss hydraulic door – strength, security and full access to inside space – without electricity.