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Roughneck Air-Operated Double Diaphragm Oil Pump — 12 GPM, 1/2in. Inlet & Outlet

Item# 41763
Roughneck Air-Operated Double Diaphragm Oil Pump — 12 GPM, 1/2in. Inlet & Outlet

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Was $299.99
Sale $279.99

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  •  Powerful air-operated pump operates at up to 115 PSI and is capable of pumping up to 24 gallons/min at temperatures up to 200°F
  • Diaphragm includes elastomer of Nitrile inside diaphragm, making this pump ideal for low viscosity petroleum fluids such as diesel, kerosene and some waste oils, even with some solid dirt that is less than 1/8in. dia.
  • Includes top quality glyd ring, a double-acting seal that delivers better performance
  • Includes externally serviceable air distribution system and all-bolted construction for convenience
  • 1/4in. air inlet with NPT fitting uses standard shop air for easy operation
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Product Summary

This powerful Roughneck® air-operated double diaphragm pump operates from 29 to 115 PSI. Features a 1/2in. dia. inlet and 1/2in. dia. outlet capable of pumping up to 12 gallons/min. at temperatures up to 200 degrees F. Ideal for use with low viscosity petroleum fluids including diesel, kerosene, motor oil and some waste oil. Not for use with gasoline.

What's Included
  • 1) Diaphragm pump
Defining the Pulse of Performance

Built to Perform

Power Combined with Efficiency

This smooth-starting, self-priming pump operates at up to 115 PSI. Capable of pumping up to 24 gallons per minute at temperatures up to 80°F, this powerful, efficient unit gets the job done quickly.

No-Leak Seals

A Nitrile elastomer inside the diaphragm provides elasticity and low temperature flexibility that effectively prevents leakage, while a top-quality glyd ring acts as a double acting seal, delivering exceptional performance. The combination makes this pump ideal for use with low viscosity petroleum fluids such as diesel, kerosene and some waste oil. It even works with some oils containing solid dirt less than 1/8in. dia.

Easy Air Operation

The 1/4in. air inlet with NPT fitting uses standard shop air — no fancy hookups needed. This Roughneck pump also includes an externally serviceable air distribution system and all-bolted construction for easy, convenient access.

Solid Construction

The cast aluminum housing not only provides great strength, but it's also rust-resistant for durability and long-lasting performance.

Mount It Where You Need It

The compact 10in.L x 5in.W x 11in.H overall size fits almost anywhere. And the pump produces a lift of approximately 10ft. when pumping used oil, so it allows for a wide variety of mounting options.

Pump With Confidence

The Roughneck Advantage

This Roughneck double diaphragm pump utilizes Northern Tool + Equipment's exclusive innovation, rugged designs and quality solutions to bring you the ultimate in performance that’s built to last. To give you extra peace of mind, we stand behind our product with a 1-year limited warranty.

Expert Answers Are Available

Northern Tool + Equipment is here to help you succeed. Our field-trained, dedicated team of experts is ready to help — call or email and you’ll get a prompt response.

Guaranteed Satisfaction

Shop in complete confidence, knowing that Northern Tool + Equipment protects your investment and is ready to provide you with the assistance and helpful resources you need.

Pump with Confidence

Features + Benefits

Features for Roughneck Air-Operated Double Diaphragm Oil Pump — 12 GPM, 1/2in. Inlet & Outlet
  •  Powerful air-operated pump operates at up to 115 PSI and is capable of pumping up to 24 gallons/min at temperatures up to 200°F
  • Diaphragm includes elastomer of Nitrile inside diaphragm, making this pump ideal for low viscosity petroleum fluids such as diesel, kerosene and some waste oils, even with some solid dirt that is less than 1/8in. dia.
  • Includes top quality glyd ring, a double-acting seal that delivers better performance
  • Includes externally serviceable air distribution system and all-bolted construction for convenience
  • 1/4in. air inlet with NPT fitting uses standard shop air for easy operation
  • Pump is self-priming for smooth starts
  • Solid rust-resistant cast aluminum construction for durability
  • Produces approx. 10ft. lift when pumping used oil for flexibility in mounting options
  •  Compact 9.1in.L x 6.7in.W x 11.6in.H overall size for easy mounting
  • Not for use with gasoline
Key Specs
Item# 41763
Brand Roughneck
Manufacturer's Warranty 12 months limited parts / No labor
Ship Weight 13.0 lbs
Flow (GPM) 12
Average Air Consumption (CFM) 10
Operating PSI 29–115
Max. PSI 115
Air Inlet Size (in. NPT) 1/4
Inlet Port (in.) 1/2
Outlet Port (in.) 1/2
Max. Fluid Temp. (°F) 200
Max. Suspended Solids (in.) 1/8
Dimensions L x W x H (in.) 9.1 x 6.7 x 11.6

Customer Reviews

Product Question + Answer
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Replacement Parts
Call To Order: 1-800-657-0516

Mon - Fri 7:00 AM - 6:00 PM (Central)
Sat 7:00 AM - 3:00 PM (Central)

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Roughneck Air-Operated Double Diaphragm Oil Pump — 12 GPM, 1/2in. Inlet & Outlet The price is $279.99.
Roughneck Air-Operated Double Diaphragm Oil Pump — 12 GPM, 1/2in. Inlet & Outlet
4 / 5 (13)
Item# 41763
In Stock Online
Was $299.99
Sale $279.99
Save $20.00
4.6 / 5 (20)
Item# 41769
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5 / 5 (1)
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3.8 / 5 (4)
Item# 28804
Backordered Online — will ship in 30 or more Business Days
Was $899.99
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5 / 5 (2)
Item# 109065
Factory Shipped —
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Hide Similarities
Flow (GPM)
12 24 3.7 11 4
Average Air Consumption (CFM) 10 9 4.5 21.6 -
Operating PSI
29–115 29–115 70–115 70–180 1,000
Max. PSI 115 115 115 (pump), 2,320 (hose reel) 870 -
Air Inlet Size (in. NPT) 1/4 1/4 1/4 1/4 1/4
Inlet Port (in.) 1/2 1 1/4 1/4 1
Outlet Port (in.) 1/2 1 1/2 1/2 1/2
Gear Ratio
- - 5:1 5:1 5:1
Pump Tube (dia.) - - 1 5/8 - -
Pump Tube Length (in.) - - 37 - -
Max. Fluid Temp. (°F) 200 200 122 140 -
Max. Suspended Solids (in.) 1/8 1/8 - - -
Hose (in. x ft.) - - 1/2 x 50 1/2 x 50 1/2 x 25
Dimensions L x W x H (in.) 9.1 x 6.7 x 11.6 10 x 8 x 12.5 20 5/16 x 10 13/32 x 21 (hose reel), 11 13/32 x 5 3/4 x 51 5/8 (trolley), 38 5/8 x 6 x 26 13/16 (pump) - -
Product Weight (lbs.) - - 164 - -