Tamping Rammer MT72FW 1.4-cycle Petrol Engine and Diesel 2.Double Cleaner System 3.Heavy-duty Shock Rubber abosorb kickbacks. 4.High-density Polyethylene Fuel Tank eliminate corrosion 5.Rack and pinion throttle lever 6.Laminated wood(Plywood) and steel well absorb shcok and stress. Technical specification Model MT72FW Engine Air-cooled.4-cycle,single cylinder Engine type Petrol,Robin EH12-2D Power kw(hp) 2.6(3.5) Weight kg(lbs) 72 Impact Force(max)kn 13.7 Jumping Stroke(max) 85mm Size of Foot mm 340*285 Dimension mm 720*410*1043 Fuel tank L 2.5 Impact Number (number per minutes) 640-680