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Technical specifications

BS 50-4s BS 60-4s

Operating data 

Operating weight  lb 139 156.5
Ramming shoe size (WxL)  in 11 x 13.3 11 x 13.2
L x W x H  in 26.5 x 13.5 x 37 26.5 x 13.5 x 38
Percussion rate max. blows/min 660 690
Stroke at the ramming shoe in 1.6 2.8
Operating speed  ft/min 25.9 25.6
Surface capacity Width of ramming shoe 280mm ft²/h 1,428.4 1,410

Engine / Motor 

Engine / Motor type  WM 100 WM 100
Engine / Motor manufacturer  Wacker Neuson Wacker Neuson
Engine / Motor  air-cooled single-cylinder four-cycle gasoline engine air-cooled single-cylinder four-cycle gasoline engine
Displacement  in³ 5.2 5.9
at rpm  rpm 4,200 4,200
Fuel consumption  US gal/h 0.31 0.31
Tank capacity (fuel) US qt 3.2 3.2

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