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DANFOSS / EATON ACNAR04AAAH800000A000K0A

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Description & Features

Designed for demanding mobile and industrial hydraulic applications, the Danfoss / Eaton ACNAR04AAAH800000A000K0A is a fixed displacement external gear pump from the Series 26 line. It is engineered for use across a wide range of equipment, including tractors, harvesters, lift trucks, compactors, sweepers, rotary and reel mowers, fan drive systems, and machine tool steering circuits.

The pump features reduced noise and vibration characteristics alongside improved volumetric and mechanical efficiency, making it well suited to both primary and auxiliary work circuits. A field-reversible pump direction adds installation flexibility without requiring additional components. Rated for a minimum working temperature of -20°C, this unit handles cold-start conditions common in outdoor and heavy equipment environments.

SKU: 26404-RAB

Supplier Part Number (MPN): 26404-RAB

Specifications

Brand
Danfoss
Design Code
A
Dimensions
5.16 in L x 5.12 in W x 5.11 in H
Gear Type
Single-Stage
Housing Color
Green
Housing Material
Aluminum
Inlet Size
1-5/16-12
Inlet Type
SAE O-ring
Model
26404
Mounting Type
2-Bolt Flanged
Outlet Size
7/8-14
Outlet Type
SAE O-ring
Rotation
Clockwise (Right-Hand)
Series
26 Series
Shaft Pitch
16/32
Shaft Type
9 Teeth Splined

Product Questions & Answers (1)

Question by: Dwight B on Jan 3, 2026, 12:28 PM
Got a sweeper that needs a replacement gear pump and I keep seeing this Series 26 listed as an option. It gonna work for that kind of application?
Answer by: Customer Support on Jan 4, 2026, 3:14 PM
Sweepers are actually one of the listed applications for this pump, so you're on the right track. The Danfoss Eaton Series 26 line was built with that kind of equipment in mind, along with compactors, mowers, and lift trucks. Fixed displacement external gear pumps like this one are a common fit for those work circuits, and the improved volumetric and mechanical efficiency on this unit helps it hold up under regular use in that type of environment.

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