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Char-Lynn VIS Geroler motors

Eaton’s valve-in-star (VIS) Geroler motors feature a simplified design with only three moving parts (Geroler star, drive and output shaft), resulting in a more compact package with better efficiency and higher pressure capacity.

324-1,557 cc (19.8 to 95.0 cu in)
380 bar (5,500 psi)

Flexible design features

All VIS motors are available with various configurations, including:

  • Two speed or single speed
  • Displacement (Geroler)
  • Output shaft
  • No shaft (bearingless motor)
  • Port configuration
  • Mounting flange
  • Park brake
  • Other special features

Perfect for closed-loop circuit applications

Primarily intended for use in closed-loop circuit applications, VIS motors provide top performance for several applications ranging from sprayers and skid steer loaders to forestry and large turf care equipment.


  • Skid steer loaders
  • Sprayers
  • Underground boring equipment
  • Forestry equipment
  • Irrigation reels
  • Grinders/mixers
  • Material handling equipment
  • Augers and skid steer attachments
  • Large turf care equipment

Featured resources

See animation of a VIS Geroler motor

Let’s work together

Whether you’re designing a new system or retrofitting an existing machine, Eaton’s design and engineering experts and integrator partners are available for consultation and collaboration. We offer system design, analysis, build, and project management services.
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