OSPD & OSPQ
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Make light work of a heavy steering challenge. On larger agricultural and construction vehicles, our dual displacement steering units secure high-level safety.
OSPD
The two gear wheel sets of this steering unit work simultaneously under normal operating conditions. But, should a pump fail, the ability to steer with just one gear wheel means even the heaviest vehicles can be steered manually.
OSPQ
Built-in flow amplification gives proportional oil flow in relation to steering wheel speed. At a steering wheel speed less than 10 rev/min or if a pump fails, only the gear wheel determines the displacement. At normal or higher steering wheel speeds, oil is led to the steering cylinder via the amplification valve.
| SD Product | Steering Type* | Pressure bar [psi] |
Displacement cm³/rev [in³/rev] |
Key Characteristics | Max Flow Amplification | Technical Information |
|---|---|---|---|---|---|---|
| OSPD | LS, LSR | 210 [3,045] | 60/120-125/440 [3.66/11.29-7.63/26.85] |
Dual displacement | 4:1 | (PDF 8 MB) |
| OSPQ | LS, LSR | 210 [3,045] | 80/125-160/320 [4.88/7.63-9.76/19.52] |
Dual displacement | 2:1 | (PDF 8 MB) |
*Steering Types
- LS - Load Sensing steering system (PDF 5 MB)
- LSR - Load Sensing Reaction (PDF 5 MB)
Features & Benefits
- Displacement changeover for demanding work situations and precision highway driving.
- Effective manual steering without an emergency pump.
- Good steering characteristics.
- Port threads customized to international standards.
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| OSPQ and OSPD |
Application Opportunities
It takes a steady hand to secure precise, consistent steering on large tractors, combine harvesters, telehandlers and backhoe loaders.
Our OPSD and OSPQ load-sensing steering units give you just that – with dual displacements that allow manual steering without the need for an emergency pump. Great efficiency at lower system cost.
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