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Danfoss / Eaton-M46 Hi-Speed Fixed Motor

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Description & Features

Ideal for demanding industrial applications, the Danfoss / Eaton-M46 Hi-Speed Fixed Motor is expertly engineered to deliver reliable performance in transit mixers, road rollers, motor graders, dozers, cranes, sweepers, lift trucks, tractors, and more. This robust motor features a compact design, ensuring efficient space utilization without compromising on power. Equipped with dynamic machine control and Pro-FX readiness, it offers optimal functionality and seamless integration into various systems.

Constructed from durable cast iron, this motor is built to withstand harsh environments and heavy use. Boasting a flow rate of 79.2 gallons per minute and a torque rating of 469 newton metres, it ensures efficient and powerful operation. This motor is a reliable choice for oil & gas and marine applications, where high-speed performance is crucial for operational efficiency.

SKU: 4631-087

Supplier Part Number (MPN): 4631-087

Specifications

Brand
Danfoss
Color
Blue
CPRV Type
Orifice Charge Pressure Relief Valve for Valve Block
Design Code
A
Design Type
Fixed Clearance with Mechanical Seal (33/39/46/54/64 Only)
Dimensions
14.68 in L x 6 in W x 6 in H
End Cover And Comp Valve Block
Valve Block with Shuttle Valve, High-Rate Springs, Charge Pressure Relief Valve and High-Pressure Relief Valves
High Pressure Relief Valve Port B
Standard
High Pressure Relief Valve Port A
Standard
Housing Material
Iron
Mounting Type
SAE C 4-Bolt Flange
Output Shaft
14-Tooth 12/24 Pitch Spline (33/39/46/54/64 Only)
Port Location
Rear, Side
Product Series
Heavy-Duty Hydrostatic Fixed Displacement Motor
Rotation Direction
Reversible
Seal Material
FKM
Series
Heavy-Duty Series 1
Shaft Size
3/8-24
Shaft Type
Splined
Speed Sensor
Without Speed Sensor
Valve Type
Shuttle

Product Questions & Answers (1)

Question by: Larry B on Jan 23, 2026, 9:07 PM
Wondering what kind of machines this motor is typically hooked up to?
Answer by: Customer Support on Jan 25, 2026, 7:47 PM
It's often used in transit mixers, road rollers, motor graders, dozers, cranes, sweepers, lift trucks, and tractors. It also sees use in windrowers, planters, oil & gas, and marine applications.

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