Tamping Rammer Features : 1. It's the oil-lubricated pounding system. The machine is fully sealed and compactly laid out. 2. The cost of maintenance is low and the amplitude of jump is large and the pounding power is strong. 3. 4-stroke engine is easily started and fuel-saving. The blended fuel is not required. 4. The handle is properly wrapped with the rubber which makes the operator feel more comfortable. Model WH-RM75R WH-RM80H Engine type Air-cooled single cylinder 4-stroke Engine Robin EH12 Honda GX160 Engine power(KW/HP) 3.0/4.0 4.0/5.5 Impact force(KN) 16 10 Jumping strike(mm) 80 65 plate size(cm) 34*28.5 30*31 Operating weight(kg) 75 88 Shipping weight(kg) 80 93 Shipping size(L*W*H)(cm) 77*55*107 77*55*107