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Series 40 steering control unit

The Series 40 steering control unit gives you more responsive, reliable steering in a compact, affordable package. With the largest flow and displacement capability in a single steering valve on the market, the Series 40 SCU helps powerful vehicles get big tasks done smoothly and efficiently.
FLOW RATE
151 to 227 L/min (40 to 60 gal/min)
MAXIMUM PRESSURE
240 bar (3,500 psi)
APPLICATION
Large articulated and fixed-frame vehicles

Reliable performance helps get the job done smoothly

The Series 40 steering control unit makes getting more responsive, reliable steering in a compact package more cost effective than ever before. Features include:

  • Balanced architecture and thicker sleeve design increases reliability and provides smooth performance, even under transient pressure and thermal conditions
  • Symmetrical valving increases balance for precise servo response and uniform steering action, while progressive valving reduces operating costs
  • Seal and centering spring designs provide positive, low-effort steering for excellent vehicle control
  • Optional Q-Amp flow amplification maximizes steering control
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High flow and flexibility for demanding applications

Big tasks require powerful vehicles with the steering ability to match. With the largest flow and displacement capability in a single steering valve on the market, the Series 40 steering control unit is the go-to solution. Features include:

  • Optional pilot pressure port can be used for diagnostics or increased priority valve flow
  • High-grade ductile iron housing provides increased strength for demanding applications
  • High-capacity gerotor provides significant flow and displacement in a compact package
  • Load-sensing, open-center and closed-center designs provide greater design flexibility
  • Integrated valves and load-sensing capabilities match performance to load requirements

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Applications

The Series 40 steering control unit is ideal for articulated and fixed-frame vehicles, including:
  • Loaders
  • Dump trucks
  • Mining equipment
  • Transporters

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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