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Danfoss / Eaton-39 Fixed Motor

Description & Features

Built for high-demand mobile and industrial applications, the Danfoss / Eaton-39 Fixed Motor is a cast iron, fixed axial-piston motor rated for 397 Nm of torque and a maximum flow rate of 67.3 gallons per minute. Its compact design supports integration into space-constrained drive systems without compromising output capacity.

This motor is Pro-FX ready, enabling compatibility with advanced dynamic machine control architectures. Typical applications span a broad range of heavy equipment, including transit mixers, road rollers, motor graders, dozers, cranes, sweepers, lift trucks, tractors, windrowers, planters, and marine and oil and gas equipment. The cast iron construction supports the structural demands common across these duty cycles.

SKU: 3933-112

Supplier Part Number (MPN): 3933-112

Specifications

Application Transit Mixer, Road Roller, Motor Grader, Dozer, Crane, Sweeper, Lift Truck, Tractor, Windrower, Planter, Oil & Gas, Marine	Brand Danfoss – Hydraulics	Brand Danfoss Power Solutions	Pack Size 1.00	UOM EA	Features Compact design\|Dynamic machine control\|Pro-FX ready	Flow Rate1 67.3 gallons per minute	ICC HS HP Fixed Axial-Piston Motors	Language English	Net Pack Quantity Units EA	Product Material Cast Iron	Product Width 6	Special Features None	Sub Brand None	Supplier Part Number 3933-112	Torque Rating 397 newton metre	Torque Rating 397 newton metre	Product Weight 37.60 lbs

Product Questions & Answers (2)

Question by: Johnny B on Jan 11, 2026, 8:26 AM

Reckon this motor could handle constant use in a transit mixer without wearin' out too quick?

Answer by: Customer Support on Jan 12, 2026, 5:46 PM

Cast iron construction supports the structural demands common to heavy equipment like transit mixers, so it should hold up well.

Question by: Kurt D on May 25, 2025, 8:33 PM

Got a transit mixer that's been eating through motors and I need something with real torque behind it. This Eaton-39 pulling 397 Nm, is that enough to hold up on a concrete truck application?

Answer by: Customer Support on May 27, 2025, 6:37 AM

Transit mixers are actually one of the listed applications for this motor, so you're looking at a unit that's built with that kind of load in mind. The 397 Nm torque rating gives it solid output capacity for that duty, and the cast iron construction handles the structural stress that comes with continuous drum rotation. The compact design also helps when you're working around the existing drivetrain layout on a mixer chassis.