Hydraulic power unit. 5.5 hp Honda GX engine. 1.9 gpm @ 3000 psi. #12 o ring pressure & tank ports. 10 gallon baffled tank. Level/temp gauge. In tank return filter top element change prevents spillage. Pressure balanced gear pump. Tank drain and motor case drain ports are #8 oring. Engine oil on board. 5000 psi gauge. Suctin strainer 100 mesh. Adjustable relief. In wooden crate for max shipping protection. Tested. 38"L x 15"W x 18.5"H. Weighs 121 Lbs. Shipping weight 236 Lbs. Order by noon & ships same day.