25VQ Series Vane Pump, 21 Ring Size, 7/8 Straight Keyed Shaft, Outlet Opposite Outlet, CW Rotation

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
Opposite Outlet
Rated Flow
31.50
Rated Flow
31.5
Ring Size
21
Ring Size
21
Rotation
CW
Seal Material
None
Series
25VQ
Shaft
7/8 Straight Keyed
Shaft
7/8 Straight Keyed
Special Features
None
Speed Rating
2500 RPM
Speed Rating
2500 RPM
Supplier Part Number
416457-5
Product Weight
32.00 lbs

Product Questions & Answers

runs at 2500 RPM rated speed, but most of my application sits closer to 1800 to 2000 RPM. that gonna hurt flow output any?
Question by: Patty P on May 25, 2025, 9:22 AM
At lower speeds you will see a modest drop in flow relative to the 31.5 GPM rated output, which is measured at the 2500 RPM rating. For steady operation in the 1800 to 2000 RPM range that is a normal and acceptable way to run this pump. Volumetric efficiency on the VQ series holds up well across a broad speed window, so you are not losing efficiency in a dramatic way, just proportionally less flow than peak. If your system circuit was sized around that rated flow number, worth factoring the speed difference into your calculations before finalizing the setup.
Answer by: Customer Support on May 26, 2025, 1:42 PM
Will this Eaton Vickers pump work on my dump truck?
Question by: Randy P on Nov 4, 2025, 7:53 PM
This 25VQ series vane pump is often used in dump truck applications, among others like oil and gas, metal cutting, wheel loaders, and plastic injection molding.
Answer by: Customer Support on Nov 6, 2025, 6:29 AM

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Part Number Model Number Shaft Displacement Ring Size Rated Flow Port Location Rotation Maximum Pressure Speed Rating Price Buy Now
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417992-4 25VQ17A-1D20- 7/8 Straight Keyed 3.37 17 25.5 90 deg CCW from Outlet CW 3000 2500 RPM
417992-5 25VQ17A-1A20-L 7/8 Straight Keyed 3.37 17 25.5 Opposite Outlet CCW 3000 2500 RPM
417992-6 25VQ17A-1B20-L 7/8 Straight Keyed 3.37 17 25.5 90 deg CW from Outlet CCW 3000 2500 RPM
417992-7 25VQ17A-1C20-L 7/8 Straight Keyed 3.37 17 25.5 in-Line with Outlet CCW 3000 2500 RPM
417992-8 25VQ17A-1D20-L 7/8 Straight Keyed 3.37 17 25.5 90 deg CCW from Outlet CCW 3000 2500 RPM
417993-2 25VQ14A-1B20 7/8 Straight Keyed 2.77 14 21.5 90 deg CW from Outlet CW 3000 2700 RPM
417993-3 25VQ14A-1C20 7/8 Straight Keyed 2.77 14 21.5 in-Line with Outlet CW 3000 2700 RPM
417993-4 25VQ14A-1D20 7/8 Straight Keyed 2.77 14 21.5 90 deg CCW from Outlet CW 3000 2700 RPM
417993-5 25VQ14A-1A20-L 7/8 Straight Keyed 2.77 14 21.5 Opposite Outlet CCW 3000 2700 RPM
417993-7 25VQ14A-1C20-L 7/8 Straight Keyed 2.77 14 21.5 in-Line with Outlet CCW 3000 2700 RPM
417994-2 25VQ12A-1B20 7/8 Straight Keyed 2.45 12 18 90 deg CW from Outlet CW 3000 2700 RPM
417994-3 25VQ12A-1C20 7/8 Straight Keyed 2.45 12 18 in-Line with Outlet CW 3000 2700 RPM
417994-4 25VQ12A-1D20 7/8 Straight Keyed 2.45 12 18 90 deg CCW from Outlet CW 3000 2700 RPM
417994-5 25VQ12A-1A20-L 7/8 Straight Keyed 2.45 12 18 Opposite Outlet CCW 3000 2700 RPM
417994-7 25VQ12A-1C20-L 7/8 Straight Keyed 2.45 12 18 in-Line with Outlet CCW 3000 2700 RPM
421472-2 25VQ14A-11B20 13 Tooth SAE B Splined 2.77 14 21.5 90 deg CW from Outlet CW 3000 2700 RPM
421472-3 25VQ14A-11C20 13 Tooth SAE B Splined 2.77 14 21.5 in-Line with Outlet CW 3000 2700 RPM
421472-4 25VQ14A-11D20 13 Tooth SAE B Splined 2.77 14 21.5 90 deg CCW from Outlet CW 3000 2700 RPM
421472-5 25VQ14A-11A20-L 13 Tooth SAE B Splined 2.77 14 21.5 Opposite Outlet CCW 3000 2700 RPM
421472-6 25VQ14A-11B20-L 13 Tooth SAE B Splined 2.77 14 21.5 90 deg CW from Outlet CCW 3000 2700 RPM
421472-7 25VQ14A-11C20-L 13 Tooth SAE B Splined 2.77 14 21.5 in-Line with Outlet CCW 3000 2700 RPM
421472-8 25VQ14A-11D20-L 13 Tooth SAE B Splined 2.77 14 21.5 90 deg CCW from Outlet CCW 3000 2700 RPM
421475-2 25VQ17A-11B20 13 Tooth SAE B Splined 3.37 17 25.5 90 deg CW from Outlet CW 3000 2500 RPM
421475-3 25VQ17A-11C20 13 Tooth SAE B Splined 3.37 17 25.5 in-Line with Outlet CW 3000 2500 RPM
421475-4 25VQ17A-11D20 13 Tooth SAE B Splined 3.37 17 25.5 90 deg CCW from Outlet CW 3000 2500 RPM
421475-5 25VQ17A-11A20-L 13 Tooth SAE B Splined 3.37 17 25.5 Opposite Outlet CCW 3000 2500 RPM
421475-6 25VQ17A-11B20-L 13 Tooth SAE B Splined 3.37 17 25.5 90 deg CW from Outlet CCW 3000 2500 RPM
421475-7 25VQ17A-11C20-L 13 Tooth SAE B Splined 3.37 17 25.5 in-Line with Outlet CCW 3000 2500 RPM
421475-8 25VQ17A-11D20-L 13 Tooth SAE B Splined 3.37 17 25.5 90 deg CCW from Outlet CCW 3000 2500 RPM
421477-2 25VQ21A-11B20 13 Tooth SAE B Splined 4.12 21 31.5 90 deg CW from Outlet CW 3000 2500 RPM
421477-3 25VQ21A-11C20 13 Tooth SAE B Splined 4.12 21 31.5 in-Line with Outlet CW 3000 2500 RPM
421477-4 25VQ21A-11D20 13 Tooth SAE B Splined 4.12 21 31.5 90 deg CCW from Outlet CW 3000 2500 RPM
421477-5 25VQ21A-11A20-L 13 Tooth SAE B Splined 4.12 21 31.5 Opposite Outlet CCW 3000 2500 RPM
421477-6 25VQ21A-11B20-L 13 Tooth SAE B Splined 4.12 21 31.5 90 deg CW from Outlet CCW 3000 2500 RPM
421477-7 25VQ21A-11C20-L 13 Tooth SAE B Splined 4.12 21 31.5 in-Line with Outlet CCW 3000 2500 RPM
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429946-2 25VQ12A-11B20 13 Tooth SAE B Splined 2.45 12 18 90 deg CW from Outlet CW 3000 2700 RPM
429946-3 25VQ12A-11C20 13 Tooth SAE B Splined 2.45 12 18 in-Line with Outlet CW 3000 2700 RPM
429946-4 25VQ12A-11D20 13 Tooth SAE B Splined 2.45 12 18 90 deg CCW from Outlet CW 3000 2700 RPM
429946-5 25VQ12A-11A20-L 13 Tooth SAE B Splined 2.45 12 18 Opposite Outlet CCW 3000 2700 RPM
429946-6 25VQ12A-11B20-L 13 Tooth SAE B Splined 2.45 12 18 90 deg CW from Outlet CCW 3000 2700 RPM
429946-7 25VQ12A-11C20-L 13 Tooth SAE B Splined 2.45 12 18 in-Line with Outlet CCW 3000 2700 RPM
429946-8 25VQ12A-11D20-L 13 Tooth SAE B Splined 2.45 12 18 90 deg CCW from Outlet CCW 3000 2700 RPM
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578308-4 25VQ19A-1D20 7/8 Straight Keyed 3.74 19 28.5 90 deg CCW from Outlet CW 3000 2500 RPM
578308-5 25VQ19A-1A20-L 7/8 Straight Keyed 3.74 19 28.5 Opposite Outlet CCW 3000 2500 RPM
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629379-4 25VQ19A-11D20 13 Tooth SAE B Splined 3.74 19 28.5 90 deg CCW from Outlet CW 3000 2500 RPM
629379-5 25VQ19A-11A20-L 13 Tooth SAE B Splined 3.74 19 28.5 Opposite Outlet CCW 3000 2500 RPM
629379-7 25VQ19A-11C20-L 13 Tooth SAE B Splined 3.74 19 28.5 in-Line with Outlet CCW 3000 2500 RPM
416457-1 25VQ21A-1A20-L 7/8 Straight Keyed 4.12 21 31.5 Opposite Outlet CCW 3000 2500 RPM
417992-1 25VQ17A-1A20 7/8 Straight Keyed 3.37 17 25.5 Opposite Outlet CW 3000 2500 RPM
417993-1 25VQ14A-1A20 7/8 Straight Keyed 2.77 14 21.5 Opposite Outlet CW 3000 2700 RPM
417994-1 25VQ12A-1A20 7/8 Straight Keyed 2.45 12 18 Opposite Outlet CW 3000 2700 RPM
421472-1 25VQ14A-11A20 13 Tooth SAE B Splined 2.77 14 21.5 Opposite Outlet CW 3000 2700 RPM
421475-1 25VQ17A-11A20 13 Tooth SAE B Splined 3.37 17 25.5 Opposite Outlet CW 3000 2500 RPM
421477-1 25VQ21A-11A20 13 Tooth SAE B Splined 4.12 21 31.5 Opposite Outlet CW 3000 2500 RPM
429946-1 25VQ12A-11A20 13 Tooth SAE B Splined 2.45 12 18 Opposite Outlet CW 3000 2700 RPM
578308-1 25VQ19A-1A20 7/8 Straight Keyed 3.74 19 28.5 Opposite Outlet CW 3000 2500 RPM
629379-1 25VQ19A-11A20 13 Tooth SAE B Splined 3.74 19 28.5 Opposite Outlet CW 3000 2500 RPM