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Light-duty pumps and transmissions

Eaton light-duty hydrostatic transmissions are total all-in-one packages consisting of a variable displacement radial ball piston hydraulic pump, a fixed displacement radial ball piston hydraulic motor and a full valve system. With integrated aluminium cooling fans and a ball piston design that is less sensitive to overheating, this pump and motor package delivers precise, reliable and incredibly responsive single-lever control, even in harsh applications.

Radial piston
0-19 cc (0-1.2 cu in)
Up to 86 bar (1,250 psi)

Self-contained, simple design

With separate drive components and no external high-pressure lines, the simple design of Eaton's light-duty pumps reduces the number of mechanical drive components and keeps maintenance to a minimum. 

Response time

These transmissions respond faster than any other type of power transmitting system.

Precise speed

Eaton light-duty hydrostatic pumps and transmissions maintain precise speed under varying load conditions.

Positive braking action 

The lever that controls speed also provides braking. As the lever moves toward neutral, the output shaft speed decreases until it stops when the lever gets to neutral.

Construction excavator digging in sand

Eliminate overheating

Eaton light-duty hydrostatic pumps feature a ball piston design and aluminium cooling fins, which reduce overheating issues and possibly eliminate the need for external coolers.

Increased productivity and versatility

Eaton’s LD pumps and transmissions allow improved system flexibility with better matching of the power needed to meet the load requirements of the application.


  • Lawn maintenance equipment
  • Golf course maintenance equipment
  • Machine, tool
  • Printing equipment
  • Agricultural equipment
  • Construction equipment
  • Aeroplane tows & winches
  • Amusement ride drives

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.
How to buy from Eaton