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Danfoss / Eaton-M39 Hi-Speed VAR Pump FCCCW

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Description & Features

Designed for demanding mobile applications, the Danfoss / Eaton-M39 Hi-Speed VAR Pump FCCCW is a variable displacement, closed-circuit piston pump built to perform reliably across construction, agriculture, oil and gas, and truck and bus sectors.

Configured for forward-counterclockwise rotation, this pump supports multiple control options and is Pro-FX ready, making it compatible with advanced electronic control integration for mobile machinery. Its servo control mechanism enables precise displacement adjustment suited to variable load conditions in the field.

As part of the Danfoss Power Solutions lineup, this unit reflects a proven design history in heavy-duty mobile hydraulic circuits. Confirm availability before specifying for time-sensitive projects.

SKU: 3923-129

Supplier Part Number (MPN): 3923-129

Specifications

Brand
Danfoss
Control Type
Manual
Design Code
B
Dimensions
16.8 in L x 10.74 in W x 10.56 in H
Drive Shaft Type
Splined
Fluid Compatibility
AW Hydraulic Oil, Biodegradable Oil (Vegetable), Engine Oil, Motor Oil
Housing Color
Blue
Housing Material
Iron
Inlet Type
Flanged
Maximum Operating Pressure
7000 psi
Mounting Type
Flanged
Outlet Type
Flanged
Rotation Direction
Counterclockwise
Segment Code
C
Series
ACA 1 Series

Product Questions & Answers (1)

Question by: Rick W on Jul 31, 2025, 11:05 AM
What does "Pro-FX ready" actually mean for this pump?
Answer by: Customer Support on Aug 1, 2025, 11:55 AM
Pro-FX ready means this pump is designed for easy integration with advanced electronic control systems commonly used in mobile machinery, letting you optimize performance based on real-time conditions.

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