Wacker BS50-4As Four-Stroke Rammer

The Wacker Neuson BS50-4s high performance 4-cycle vibratory rammers are used to compact cohesive, mixed and granular soils. The high stroke energy and percussive from the Honda motor combined with quick advance travel allow the BS50-4s to achieve impressive compaction results.

Wacker BS50-4s Features & Benefits

  • Easy operation – fuel valve is integrated into throttle; a single lever controls throttle acceleration and shut-off.
  • 4-stage air filter – heavy-duty filter prevents dust from entering the rammer engine for enhanced engine life.
  • 4-cycle crankcase – crackcase is incredibly durable and easy to maintain.
  • Low oil consumption – crankcase features a breather system with 3-piece piston oil ring for improved oil efficiency.
  • Guide handle shock-mount system – built-in shock system reduces HAV (hand-arm vibration) and improves operator comfort.
  • Low oil LED indicator – LED lights up if rammer is started without enough oil inside and will automatically shut off after 10 second to prevent engine damage.

Wacker Neuson Vibratory Rammers Specifications



Wacker Neuson BS50-4As Four-Stroke Rammer

Vibratory Rammer Specifications

Technical specifications

 BS 50-4s
Operating data
Operating weight  kg63
Ramming shoe size (WxL)  mm280 x 337
L x W x H  mm673 x 343 x 940
Stroke at the ramming shoe mm66
Percussion rate max. blows/min684
Operating speed Travel Speed m/min7.6
Surface capacity Compaction m²/h127

Engine / Motor

Engine / Motor type WM 100
Engine / Motor manufacturer Wacker Neuson
Engine / Motor air-cooled single-cylinder four-cycle gasoline engine
Displacement  cm³97
Operating performance Max rated power – SAE J1995 kW2.4
at rpm  rpm4,200
Fuel consumption  l/h1.2
Tank capacity (fuel) l3


Additional information


BS50-4s, BS60-4s