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45VQ Series Vane Pump, 50 Ring Size, 1-1/4 Straight Keyed Shaft, Outlet Opposite Outlet, CCW Rotation

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Description & Features

Designed for demanding industrial applications, the Eaton Vickers 45VQ Series Vane Pump is ideal for use in oil and gas use, metal cutting, dump trucks, wheel loaders, and plastic injection molding. With a robust 50 ring size, this pump offers outstanding volumetric efficiency and is built to handle high-pressure, high-speed environments, boasting a maximum pressure capacity of 2500 PSI.

This model features a 1-1/4 straight keyed shaft and counter-clockwise (CCW) rotation, ensuring reliable and efficient performance. The pump's 2-Bolt SAE C mounting flange and SAE 4-Bolt flange ports (3" inlet, 1-1/2" outlet) provide versatile installation options. Constructed with durable Buna-N seal material, the 45VQ Series Vane Pump is engineered for long-term use, delivering a rated flow of 77.14 GPM and a speed rating of 2200 RPM.

SKU: 421966-5

Supplier Part Number (MPN): 421966-5

Specifications

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
Opposite Outlet
Rated Flow
77.14
Rated Flow
77.14
Ring Size
50
Ring Size
50
Rotation
CCW
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
421966-5
Alternate Part Numbers
Alternate Part Number MINO-00900X56273
Product Weight
75.00 lbs

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Product Questions & Answers (2)

Question by: Billy H on May 9, 2025, 7:38 AM
got a 45VQ pump that finally gave out on us, been running it on a wheel loader for a few years now. this the same series that handles high-pressure work? want to make sure i'm not stepping down in performance before i order
Answer by: Customer Support on May 10, 2025, 10:13 AM
Same series, yes. The 45VQ runs up to 2500 PSI and is rated for high-pressure, high-speed applications, so if your previous unit was holding up on a wheel loader, this one is built for that same kind of work. Rated flow on this particular pump comes in at 77.14 GPM at up to 2200 RPM, which puts it squarely in heavy-duty territory for mobile equipment like that.
Question by: Bobby S on Nov 27, 2025, 8:25 PM
Reckon this’ll bolt right up to a standard SAE C flange? Got one of them old pumps going bad on my log splitter.
Answer by: Customer Support on Nov 29, 2025, 12:07 PM
it’s got a 2-Bolt SAE C Mounting Flange. Should be a direct fit if your old pump uses that same flange.