Wacker BS 60-2i 2,975LB Impact Vibratory Rammer Manufacturer: Wacker Impact Force/Blow: 2,975 lb. Blows/Minute: 680 Travel Speed: up to 57 ft/min Shoe Jump Height: 2.8″ Engine: 2.4 hp Operating Weight: 145 lb. Shoe Size: 11″ x 13″