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Power Team Hydraulics at WSD GmbH / RD556

Hydraulic cylinders

Power Team RD556 – Hydraulic cylinder

Power Team RD – Series illustration
Series illustration · RD
Series illustration; the selected model may differ in appearance.
US catalog capacity class (US ton)55.0
Pulling force at 700 bar (t)25.6
Extension effective area (cm²)71.2
Retraction effective area (cm²)36.3
Force at 700 bar (t)50.1
Nominal catalogue class (t)50.0
Stroke (mm)158.8
Retracted height (mm)329.4
Extended height (mm)488.2
Outside diameter (mm)127.0
Piston rod Ø (mm)66.7
Cylinder bore (mm)95.3
Weight (kg)27.9
Oil required for extension (cm³)1132.0
Oil required for retraction (cm³)577.0
ActionDouble-acting
SeriesRD
ReturnHydraulic return
Force directionPushing / lifting
Locking collarNo

Catalog drawing dimensions

Dimension letters refer to the drawing on the linked catalog page. Threads retain their standard designation.

DimensionCatalog value
D · Collar thread5 - 12
E · Collar thread length41.3 mm
F · Base to port33.3 mm
G · Cylinder top to port63.5 mm
J · Piston rod internal thread and depth1 11/16-8 x 30,2
K · Piston rod protrusion15.9 mm
· Load cap diameter66.7 mm

Manufacturer source: Power Team 2025 Metric Catalogue · PDF page 35

Additional data sources

Discuss your selection with WSD

Tell us about the application, existing components and equipment required. Together, we will check the specific configuration and availability. A catalogue association alone does not establish suitability for every application.

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Manufacturer documents for this model

Accessories listed in the catalogue

351325

R, RD, RGG and RDG: Power Team heavy-duty cylinders

For high forces, the complete application determines the appropriate cylinder series. Power Team distinguishes, among other types, load-return and hydraulic-return heavy-duty cylinders.

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Selecting hydraulic cylinders: force, stroke and the right dimensions

The right hydraulic cylinder is selected according to its task and installation. Force class alone says neither whether it will fit nor whether its return action and connections are suitable.

Learn more →