Danfoss / Eaton-Tandem Servo Pump ASSY

Description & Features

Designed for variable displacement closed circuit hydraulic systems, this tandem servo pump assembly covers displacement range from 20cc to 49cc (1.22 to 3.00 cu in), making it adaptable across a wide range of mobile equipment configurations. The sealed system design contributes to reliable, straightforward operation in demanding field environments.

The Danfoss / Eaton-Tandem Servo Pump Assembly is well suited for construction, agriculture, truck and bus, oil and gas, and other mobile applications where compact, dependable hydraulic power is required. Manufactured under the Danfoss Power Solutions brand, this unit falls within the 72400 Series medium duty closed circuit pump platform and is classified as a mobile closed circuit piston pump.

SKU: 78461-REH-04

Supplier Part Number (MPN): 78461-REH-04

Specifications

Control Type
Servo
Cooling Method
Heat Exchanger
Dimensions
8.734 in L x 6.26 in W x 11.012 in H
Drive Shaft Type
Splined
Housing Color
Black
Housing Finish
Painted
Housing Material
Iron
Inlet Size
1-1/16-12
Inlet Type
SAE ORB
Maximum Operating Pressure
5500 psi
Mounting Type
SAE B 2-Bolt Flange
nmfc
125820
Outlet Size
1-1/16-12
Outlet Type
SAE ORB
Rotation Direction
Clockwise
Series
72400 Series

Product Questions & Answers (1)

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Question by: Janet B on Jan 31, 2026, 5:36 PM
Can this servo pump handle a lot of stop-and-go in mobile construction equipment?
Answer by: Customer Support on Feb 1, 2026, 6:35 PM
Designed for variable displacement closed circuit hydraulic systems, this tandem servo pump assembly is well-suited for demanding field environments like construction, agriculture, and oil & gas applications where you need dependable hydraulic power.

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