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M+S Steering unit XY (alternative, replacement ZF)
In the Hydromot online shop you will find M+S XY hydraulic steering systems in original equipment quality “Made in Europe”, which are used as reliable replacements for ZF steering systems in numerous commercial vehicles. Learn more...
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The robust steering orbitrols stand out for their precise steering response, integrated safety valves and long service life. Thanks to different displacements (84–145 cm³/rev) and adjustable relief valves (80–150 bar), the systems can be optimally adapted to your vehicle. The M+S XY steering units are ideal for agricultural machinery, forklifts, construction equipment and off-highway vehicles up to 60 km/h. They are also compatible with well-known brands such as Case, Deutz, John Deere, Fendt, IHC, Hanomag and Holder.
M+S XY Steering – Frequently Asked Questions
What is the M+S XY steering system and what is it used for?
The M+S XY steering system is a hydraulic steering unit (orbitrol), developed as a high-quality alternative or replacement for ZF steering systems in commercial vehicles.
It is used in:
- Agricultural vehicles (Case, Deutz, John Deere, IHC, Hanomag, Holder, Fendt)
- Construction equipment
- Forklifts
- Off-highway equipment up to 60 km/h
Its main function is the hydraulic amplification of torque at the steerable wheels without direct mechanical connection, making steering easier and more precise.
What are the technical features of the M+S XY steering system?
- Displacement: 84 (85), 120 and 144 (145) cm³/rev
- Integrated valves: Relief valves (80–150 bar) and shock valves (200 bar)
- Ports: 4x M18x1.5
- Function: Open center – load reaction
- Quality: OEM quality, manufactured in Europe
- Weight: approx. 6.4–6.8 kg depending on displacement
For which vehicle brands is the M+S XY steering unit a suitable replacement?
The M+S XY steering system is a suitable replacement for ZF steering units in:
- Case
- Deutz
- John Deere
- IHC
- Hanomag
- Holder
- Fendt
What does "Open center – load reaction" mean on the M+S XY steering system?
Open center: Oil flow in neutral returns freely to the tank – suitable for open hydraulic systems.
Load reaction: Feedback of wheel load to the steering wheel, providing steering feel and precision.
What are the advantages of the M+S XY steering system compared to other steering systems?
- OEM quality: European manufacturing, high reliability
- Safety: Integrated relief and shock valves
- Compatibility: Direct replacement for many ZF systems
- Low maintenance: Durable components, minimal servicing effort
- Robustness: Wear-resistant materials, sturdy design
What criteria should be considered when selecting the right M+S XY replacement part?
- Compatibility: Match to vehicle model and manufacturer
- Displacement: 84, 120 or 144 cm³/rev corresponding to the original part
- Pressure relief: Check valve settings 80–150 bar
- Ports: 4x M18x1.5
- Vehicle speed: Up to 60 km/h
- Manufacturer’s datasheet: For exact specifications and installation instructions
What needs to be checked when converting to an M+S XY steering system in the hydraulic circuit?
- Hydraulic pump: Check flow rate and rotation direction
- Hydraulic lines: Check size and pressure rating
- Relief valve: Adjust to correct pressure levels
- Hydraulic oil & filter: Replacement recommended
- Control valves: Adjust if necessary