HCD90B electric tamping rammer The machine can be used in road construction and water conservancy project, especially used for narrow confined areas, such as indoor place, yard, ditch.Features: 1. The separating structural design of the cover of gear box makes machine run smoothly and easy to assemble and disassemble.2. The design of cast steel plate with particular strengthened steel bar makes machine not easy to damage.3. Forging gear is firm and durable.4. The water-proof and sealed switch could clean hidden dangers thoroughly. Specifications: Model HCD90B Weight 95kg Leap Height 45-65 mm Power 3 KW Impact Energy 90 N. m Plate Size 275*330 mm Impact Frequency 400-600 times/min Advancing Speed 12-15 m/min Overall Dimension(mm) 840*700*380 mm lubricating oil SAE10-30