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25VQ Series Vane Pump, 21 Ring Size, 13 Tooth SAE B Splined Shaft, Outlet in-Line with Outlet, CCW Rotation

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Description & Features

Rated for continuous duty at up to 3000 PSI and 2500 RPM, this Eaton Vickers 25VQ Series Vane Pump is built for high-pressure, high-speed hydraulic circuits in demanding industrial and mobile applications. With a displacement of 4.12 in³/rev and a rated flow of 31.5 GPM, it suits systems requiring consistent volumetric output across variable load conditions.

The pump features a 21 ring size, a 13-tooth SAE B splined shaft, and CCW rotation, with a 2-bolt SAE B mounting flange. Ports are SAE 4-bolt flange type, 1-1/2" inlet and 1" outlet, with the outlet positioned in-line with the inlet. Buna-N seals are standard. Typical applications include metal cutting machinery, plastic injection molding equipment, dump trucks, and wheel loaders.

SKU: 421477-7

Supplier Part Number (MPN): 421477-7

Alternate Part Numbers: 25VQ21A11C20LH

Specifications

Application
Oil and Gas, Metal Cutting, Dump Truck, Wheel Loader, Plastic Injection Molding
Displacement
4.12
Displacement
4.12
Brand
DANFOSS POWER SOLUTIONS II LLC (VICKERS)
Brand
Danfoss Power Solutions
Pack Size
1.00
UOM
EA
Features
Longer operating life|Oustanding volumetric efficiency|Built for high-pressure, high-speed applications
Maximum Pressure
3000
Maximum Pressure
3000
Port Location
in-Line with Outlet
Rated Flow
31.50
Rated Flow
31.5
Ring Size
21
Ring Size
21
Rotation
CCW
Seal Material
Buna-N
Series
25VQ
Shaft
13 Tooth SAE B Splined
Shaft
13 Tooth SAE B Splined
Special Features
None
Speed Rating
2500 RPM
Speed Rating
2500 RPM
Supplier Part Number
421477-7
Alternate Part Numbers
Alternate Part Number 25VQ21A11C20LH, Alternate Part Number MINO-00900H60675
Product Weight
32.00 lbs

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Product Questions & Answers (1)

Question by: Lee E on Feb 15, 2026, 8:53 PM
pump's rated at 2500 RPM -- is that the max continuous speed or just a peak number they throw on the spec sheet?
Answer by: Customer Support on Feb 17, 2026, 7:09 AM
At 2500 RPM, you're looking at the rated operating speed for this pump, not a burst or peak figure. Running right at that number continuously is within what the pump is built for. Back it off some if your application sees a lot of heat or load cycling, and you'll get more life out of it. The 3000 PSI max pressure rating holds at that speed, so the two specs work together rather than independently.