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25VQ Series Vane Pump, 21 Ring Size, 13 Tooth SAE B Splined Shaft, Outlet 90 deg CCW from Outlet, CCW Rotation

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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
90 deg CCW from Outlet
Rated Flow
31.50
Rated Flow
31.5
Ring Size
21
Ring Size
21
Rotation
CCW
Seal Material
None
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
421477-8
Product Weight
32.00 lbs
Product Questions & Answers 2

Product Questions & Answers

Got a 25VQ21A-11D20-L on a wheel loader that's been giving us grief. This replacement got the same shaft and port setup?
Question by: Kirk H on Feb 26, 2026, 8:55 PM
Same shaft and port configuration as that model number. You're looking at a 13-tooth SAE B splined shaft with a 2-bolt SAE B mounting flange, and the inlet comes in at a 1-1/2 inch SAE 4-bolt flange port with a 1-inch outlet. The inlet sits 90 degrees counterclockwise from the outlet, and rotation is CCW. If your existing pump matches those specs, this one drops right in.
Answer by: Customer Support on Feb 28, 2026, 1:10 PM
got a pump tagged 25VQ21A-11D20-L, is this the same unit or am i close but not quite
Question by: Pete P on Mar 25, 2026, 12:04 PM
Match-up looks straightforward here. The model number on this pump is 25VQ21A-11D20-L, and it is a 25VQ series single vane pump with 21 ring size, 4.12 displacement, CCW rotation, and a 13 tooth SAE B splined shaft.
Answer by: Customer Support on Mar 26, 2026, 5:31 PM

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417992-2 25VQ17A-1B20 7/8 Straight Keyed 3.37 17 25.5 90 deg CW from Outlet CW 3000 2500 RPM
417992-3 25VQ17A-1C20 7/8 Straight Keyed 3.37 17 25.5 in-Line with Outlet CW 3000 2500 RPM
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
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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
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429946-6 25VQ12A-11B20-L 13 Tooth SAE B Splined 2.45 12 18 90 deg CW from Outlet CCW 3000 2700 RPM
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