Product Description TGD-200 pit jack is twin ram air hydraulic pit jack that is designed and manufactured by Doocar Liner. The hydraulic pit jack features: 1.Standard air hydraulic twin ram pit jack. 2.Two independently controlled cylinder heads allow for safe and balanced lifting. 3.Speed reduction valve 4.Precision air hydraulic components (with fast-moving cylinders). 5.Lateral movement cylinder head 6.The height of jack is adjustable according to actual demand. 7.The rack can be adjusted to meet all lift. 8. The pit jack has wide applicability and can be used for lifting beams, gearbox bases, supporting bridges, etc. Equipped with two 100MM height increasing pads. Specifications