Core Technical Parameters
Parameter Value Remarks
Model P55557-3 (Common Matches: R431003808, IA479) 8-position shift cylinder for heavy-duty transmissions
Brand Rexroth (now Aventics) Original equipment for Rexroth EasyHandling system
Type Multi-stage stop ring + piston type, 8-position indexing Step-by-step telescoping for transmission stepped valve control
Working Medium Clean compressed air Particles ≤5 μm, oil content 0-1 mg/m³, pressure dew point ≤3°C and 15°C below ambient
Maximum Working Pressure 6 bar (theoretical torque condition) Compatible with standard pneumatic control system pressure
Materials Housing/cover/base plate: Anodized aluminum (partially blackened); Shaft/rotary flange: Quenched steel; Seals: Acrylic rubber Suitable for harsh industrial environments
Interface Standard pneumatic threaded ports Compatible with corresponding shift valves (e.g., P55556-3)
Application Workover rigs, heavy-duty vehicle hydraulic transmissions Drives transmission clutch oil circuit on-off to achieve gear shifting
Key Features
Precise 8-position indexing via logical control of piston and stop ring movement through air inlets, enabling step-by-step telescoping of the push rod.
Components undergo anodization, quenching and other treatments for wear resistance and corrosion resistance, suitable for outdoor/heavy-duty conditions.
Interlocks with 8-position shift valves to control hydraulic transmission clutch oil circuits, ensuring smooth and reliable gear shifting.
About the Eight position shifting cylinder-P55557-3
The Eight position shifting cylinder-P55557-3 is a oil drilling equipment used in industrial automation, control and power systems. It is rated at Model P55557-3 (Common Matches R431003808, IA479) 8-position shift cylinder for heavy-duty transmissions. This oil drilling equipment is supplied as new, original industrial-grade stock. Each unit is identified by manufacturer part number Eight position shifting cylinder-P55557-3 for accurate procurement and cross-referencing.
Why source the Eight position shifting cylinder-P55557-3 from HDE123
- Verified part number: every Eight position shifting cylinder-P55557-3 is checked against its manufacturer specification before shipment.
- 1 confirmed technical parameters available on this page for engineering review.
- Global delivery with clear lead time and commercial invoice for B2B buyers.
- Fast B2B support: send us the equipment model or an existing part number and our engineers confirm compatibility before you order.
Ordering the Eight position shifting cylinder-P55557-3
To order the Eight position shifting cylinder-P55557-3, add it to your cart and complete checkout, or use the Request a Quote form for volume purchases and replacement / cross-reference enquiries. Lead time: typically 3–10 working days for in-stock items, subject to confirmation. Worldwide shipping is available and a commercial invoice is provided for customs.
