Replacement Part List
The preferred vibratory 
rammer design in the industry 
i s available with a WM 100 
or a Honda GX100 4-cycle 
engines. These Rammers are 
designed for the compaction 
of cohesive, mixed and 
granular soils in confined 
areas. Exclusive air filter 
compensation system for 
longer run time between  
filter changes. 
Four-cycle Vibratory Rammers
6_7
BS 50-4s
BS 60-4s
    BS 50-4s  BS 60-4s 
TECHNICAL DATA
Length x width x height  in  26.5 x 13.5 x 37  26.5 x 13.5 x 38
Shoe size (w x l)  in  11 x 13  11 x 13 
Operating weight  lbs 139  156
Shipping weight  lbs 156  173
Shipping size (l x w x h)  in  39 x 15 x 27  39 x 15 x 27
Stroke  in 2.6  2.7
Percussion rate  blows/min 684  680
Travel speed  ft/min 24.8 28.0
Compacted area  ft²/h  1368 1543
Engine type    air-cooled, 4-cycle, single cylinder, 
    Wacker Neuson WM 100 gasoline engine
Displacement  in³ 5.92 5.92
Operating speed  rpm  3950 3950
Max. rated power  hp 3.2  3.2 
at rated speed  rpm  @ 4200  @ 4200
Power rating specification    SAE J1995  SAE J1995
Fuel consumption  qt/h 1.3  1.3
Fuel tank capacity  qt 3.2  3.2
Power train    Power train from engine via centrifugal clutch, gears, 
    crank mechanism, connecting rod, guiding piston, 
    double spring system, spring cylinder onto ramming 
    shoe. Clutch engages when accelerating.










