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Danfoss / Eaton-39 Fixed Motor

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Description & Features

Built for demanding mobile and industrial applications, the Danfoss / Eaton-39 Fixed Motor is a cast iron, fixed-displacement axial-piston motor engineered for high-torque duty cycles. With a torque rating of 397 Nm and a maximum flow rate of 67.3 gallons per minute, it is well suited to continuous-load environments where consistent output is essential.

Its compact design supports installation in space-constrained machine configurations, and Pro-FX ready compatibility enables dynamic machine control in advanced hydraulic systems. The motor covers a broad range of mobile equipment applications, including transit mixers, road rollers, motor graders, dozers, cranes, sweepers, lift trucks, tractors, windrowers, planters, and marine and oil and gas equipment. Manufactured by Danfoss Power Solutions, this unit reflects the Series 1 heavy-duty motor platform built for reliability across variable field conditions.

SKU: 3933-106

Supplier Part Number (MPN): 3933-106

Specifications

Brand
Danfoss
Bearing Type
Roller
Color
Black
Design Code
B
Design Type
Fixed Clearance
Dimensions
14.68 in L x 6 in W x 6 in H
Housing Material
Iron
Mounting Type
4-Bolt Flanged
Segment Code
C
Series
HHD Series
Shaft Size
1-1/2 in Dia
Shaft Type
Straight Keyed
Valve Type
Orificed Charge Pressure Relief

Product Questions & Answers (1)

Question by: Steve A on Jun 19, 2025, 8:00 PM
got a transit mixer that's been tearing through motors and I need somethin that can hold up under constant load. this unit rated for that kind of continuous duty?
Answer by: Customer Support on Jun 21, 2025, 6:02 PM
Cast iron construction and a 397 Nm torque rating put this motor in solid territory for high-torque continuous-load work. Transit mixers are actually one of the listed application types for this unit, so it's not a stretch to say it was built with exactly that kind of punishment in mind. The fixed-displacement axial-piston design keeps output consistent under sustained load, which is what you want when a motor is working hard all day without much letup.

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