Power Rammer Features All our power rammer are driven by 4-stroke petrol engines designed specially for rammers.No need to mix fuel and oil, easy starting,low-noise operation,low maintenance and reduced fuel consumption comparing to 2-stroke engine. An heavy duty throttle control provides more reliable and longer service. Additional tuilt-in air filtration system plus the original air cleaners in the engine provides cleaner air to engine for longer life and improved durability An integrated fuel valve provides for easy starting Heavy shock mount system to reduce hand-arm vibration and improve operator comfort. Rammer shoe made of steel plate with wooden insert offers economical usage Special protective frame for engine,prevents any possible damage on tough jobsite Specially designed trolley kit for easy transportation High quality polyurethane sheath accept more compacting force, offers a reliable lubricating system. Power Rammer:Model:80K-12Engine:EH-10/EH-12Power:3-4hpWeight:70-80kgsImpact Force:11-13knImpact Frequency:500-650minBounding Height:50-70mmPacking Size:1000x500x900mm