Charge Pump Gerotor Outer Ring. 0.84 in³/rev, Model 72400

Description & Features

Rated at 0.84 in³/rev, this Eaton Char-Lynn gerotor outer ring is a direct-fit replacement component for Model 72400 charge pump assemblies used in Eaton and Danfoss piston pump systems. The gerotor ring forms the outer housing element of the gerotor set, working in conjunction with the inner rotor to generate the low-pressure charge flow that maintains inlet conditions for the main piston pump stage.

Manufactured by Eaton Char-Lynn under catalog number C1KK51, the Charge Pump Gerotor Outer Ring, 0.84 in³/rev, Model 72400 is available across a range of configurations and sizes, making it suitable for a variety of charge pump service applications. It is a recognized replacement part for hydraulic drive systems where maintaining accurate charge pump displacement is critical to system performance.

SKU: 6024304-003

Supplier Part Number (MPN): 6024304-003SP

Alternate Part Numbers: C1KK51

Specifications

Product Type
Gerotor Outer Ring
Segment Code
A
Suitable For Use With
Model 72400 Piston Pumps

Product Questions & Answers (1)

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Question by: Steve C on Jul 14, 2025, 7:50 AM
Is this here gerotor ring the right-sized replacement for an Eaton Char-Lynn pump? Part number's C1KK51.
Answer by: Customer Support on Jul 15, 2025, 4:20 PM
That C1KK51 number matches up with the Eaton Char-Lynn brand, so this 72400 gerotor outer ring should be the right fit.

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