Wacker Neuson BS60-4 Jumping Jack Wacker Neuson's 4 stroke rammers are designed for high performance and long life. The compact design and low center of gravity is ideal for the compaction of cohesive and mixed soils in trenches and other confined areas. Operating parameters Operating weight 159 lb Ramming shoe size (WxL) 11 x 13.4 in L x W x H 26.5 x 13.5 x 38 in Percussion rate max 656 blows/min Stroke at the ramming shoe 3.2 in Impact force 4,047 lbf Operating speed 28.9 ft/min Surface capacity 1,604 ft²/h Engine Engine type Honda GXR 120 Engine Air-cooled single-cylinder four-cycle gasoline engine Displacement 7.38 in³ Operating performance 3.6 hp At rpm 4,100 rpm Fuel consumption 0.26 US gal/h Fuel tank capacity 0.77 US gal Request