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45VQ Series Vane Pump, 50 Ring Size, 1-1/2 Straight Keyed Shaft, Outlet Opposite Outlet, CW Rotation

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Description & Features

Designed for high-pressure, high-speed industrial service, the 45VQ Series Vane Pump, 50 Ring Size, 1-1/2 Straight Keyed Shaft, Outlet Opposite Outlet, CW Rotation delivers a rated flow of 77.14 GPM at up to 2,500 PSI maximum pressure. The 50 ring size and 1-1/2" straight keyed shaft configuration support demanding duty cycles across a range of industrial equipment types.

Mounting follows a 2-bolt SAE C flange pattern, with SAE 4-bolt flange ports sized at 3" inlet and 1-1/2" outlet. Clockwise rotation and opposite-outlet port orientation suit common mobile and stationary hydraulic circuit layouts. Buna-N seals are standard, and the pump is rated to 2,200 RPM. Typical applications include metal cutting machinery, plastic injection molding equipment, dump trucks, and wheel loaders. Built under the Danfoss Power Solutions brand, this 45VQ series unit is engineered for consistent volumetric efficiency and extended service life in demanding environments.

SKU: 433252-1

Supplier Part Number (MPN): 433252-1

Alternate Part Numbers: 45VQ50A86A20

Specifications

Brand
Vickers by Danfoss
Cartridge Type
Industry-First Intra-Vane
Design Code
20
Dimensions
11.98 in L x 8.38 in W x 6.94 in H
Displacement io
9.90
Drive Shaft Type
Straight Keyed
Housing Material
Iron
Inlet Type
Flanged
Maximum Operating Pressure
2500 psi
Model
45VQ
Mounting Type
Flanged
Outlet Type
Flanged
Port Location
Opposite Outlet
Rotation Direction
Clockwise
Seal Material
Nitrile
Series
45VQ Series
Shaft Size
1-1/2 in Dia
Vane Type
Fixed Displacement

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Product Questions & Answers (3)

Question by: Brett T on Apr 29, 2025, 5:31 PM
Running a wheel loader that eats pumps for breakfast -- what kind of pressure and flow are we actually working with on this unit?
Answer by: Customer Support on Apr 30, 2025, 8:35 PM
At full rated output, you're looking at 77.14 GPM with a maximum pressure ceiling of 2,500 PSI. The speed rating tops out at 2,200 RPM, so it's built to hold up under the kind of sustained load wheel loaders put on hydraulic systems. The 50 ring size and 45VQ series construction are specifically aimed at high-pressure, high-speed duty, so it's not a light-duty pump dressed up in heavy specs.
Question by: Brent W on Mar 20, 2026, 5:12 PM
What kind of machinery is this pump typically found in?
Answer by: Customer Support on Mar 22, 2026, 3:47 PM
This 45VQ series vane pump is often used in metal cutting machinery, plastic injection molding equipment, dump trucks, and wheel loaders.
Question by: Troy K on Feb 8, 2026, 8:31 PM
trying to swap out an older unit, does this match part number 45VQ50A86A20?
Answer by: Customer Support on Feb 10, 2026, 6:43 AM
For a direct part number match, this pump is identified as model 45VQ50A86A20 and supplier part number 433252-1, with 45VQ50A86A20 also shown as an alternate part number. It is a 45VQ series single vane pump with a 50 ring size and a 1-1/2 inch straight keyed shaft.

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