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Danfoss / Eaton ROT GRP W/FXD S/PS/A54H

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Description & Features

Designed for use in axial piston pump rebuilds and service applications, the Danfoss / Eaton ROT GRP W/FXD S/PS/A54H is a rotating group assembly supplied with a fixed swash plate sub-assembly. This component is a direct-fit replacement or service part for compatible Eaton piston pump configurations, supporting accurate restoration of pump displacement and mechanical function.

Manufactured under the Eaton Char-Lynn brand, now part of the Danfoss Power Solutions portfolio, this rotating group is available across all standard configurations and sizes, making it applicable to a range of piston pump platforms. The package includes the complete rotating group with fixed swash plate sub-assembly as a single unit, streamlining service and rebuild procedures.

SKU: 103874-000

Supplier Part Number (MPN): 103874-000

Specifications

Brand
Danfoss
Diameter
5.89 in OD
Product Type
Rotating Group Swashplate
Segment Code
C
Suitable For Use With
1 Series S1FM Model 89 Heavy-Duty Hydrostatic Fixed Displacement Motors

Product Questions & Answers (1)

Question by: Billy C on Dec 15, 2025, 7:58 AM
got a pump on the bench and i keep seeing “rotating group” in the parts breakdown. what is this piece actually?
Answer by: Customer Support on Dec 16, 2025, 9:34 PM
In a piston pump, the rotating group is the internal assembly that spins and does the pumping work. This part is a piston pump accessory, and it comes as a rotating group with a fixed swash sub assembly.

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