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45VQ Series Vane Pump, 50 Ring Size, 1-1/4 Straight Keyed Shaft, Outlet in-Line with Outlet, CW Rotation

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Application
Oil and Gas, Metal Cutting, Dump Truck, Wheel Loader, Plastic Injection Molding
Displacement
9.90
Displacement
9.9
Brand
Danfoss (Power Solutions II LLC)
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
2500
Maximum Pressure
2500
Port Location
in-Line with Outlet
Rated Flow
77.14
Rated Flow
77.14
Ring Size
50
Ring Size
50
Rotation
CW
Seal Material
Buna-N
Series
45VQ
Shaft
1-1/4 Straight Keyed
Shaft
1-1/4 Straight Keyed
Special Features
None
Speed Rating
2200 RPM
Speed Rating
2200 RPM
Supplier Part Number
421966-3
Alternate Part Numbers
Alternate Part Number 45VQ50A1C20, Alternate Part Number C1BP86
Product Weight
75.00 lbs
Product Questions & Answers 2

Product Questions & Answers

Got a 1-1/4 keyed shaft on my motor, will this pump bolt right up to it?
Question by: Dwight W on Jan 20, 2026, 11:54 AM
Perfect match there. Your 45VQ50 comes with a 1-1/4 straight keyed shaft that'll connect directly to your motor shaft. Just make sure your motor rotation is clockwise since that's how this unit is configured.
Answer by: Customer Support on Jan 21, 2026, 8:07 PM
How should the 45VQ Series Vane Pump be installed to ensure proper rotation direction?
Question by: Terry B on Aug 26, 2025, 9:45 PM
Make sure the pump is set up for clockwise rotation, as specified. The outlet should be aligned in-line with the outlet, and the 1-1/4 straight keyed shaft should be secured properly. This setup will help in achieving optimal performance.
Answer by: Customer Support on Aug 28, 2025, 9:06 AM

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420616-7 45VQ42A11C20-L 14 Tooth SAE D Splined 8.46 42 65.92 in-Line with Outlet CCW 2500 2200 RPM
420617-2 45VQ50A11B20 14 Tooth SAE D Splined 9.9 50 77.14 90 deg CW from Outlet CW 2500 2200 RPM
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421965-4 45VQ42A86D20 1-1/2 Straight Keyed 8.46 42 65.92 90 deg CCW from Outlet CW 2500 2200 RPM
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