Tamping rammers are designed to deal with the tough site condition. Suitable especially for compacting the roadbed with low water content that heavy vibro compactor could not work. Structure and features The torque generated by engine or electric motor is transferred to reciprocating motion by crank gear, which will pass it on vibrating foot (shoe) through spring cylinder. It has strong impact force though it is small and light. Multipurpose use with maneuverability.They are used for confined area, trench work, backfill and repairing work on asphalt. Suitable especially for compacting the roadbed with low water content that heavy vibro compactor could not work. Model IV125H IV125R Engine Air-cooled,4-cycle,single cyliner Engine type HONDA GX160 ROBIN EY20 Power kw(hp) 4.0(5.5) 3.7(5.0) Net weight(kg) 76 76 Percussion rate per min 640-700 640-700 Impact force(kn) 14 14 Fuel tank capacity(L) 2.8 2.8 Jumping stroke(mm) 40-80 40-80 Shoe size(mm) 345 x 285 345 x 285 Packing size(mm) 490x780x1090 490x780x1090