Compactor Rammer Tamper Honda Jumping Jack GX Series 5.5 HP Gas Engine 12" Sq. Plate 176 Lbs. Jumping Jack Compactor - Rammer - Tamper Engine Make: 5.5 HP Honda GX160 Heavy duty recoil starter with automatic mechanical de-compression system Plate Size: 12" x 12" - Net Weight: 176 lbs 1 Year Parts Warranty - USA Customer Service and Parts