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Roughneck Air-Operated Grease Pump — 4-Lbs./Min. Max Flow Rate, 180 PSI Max. Air Inlet Pressure
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Roughneck Air-Operated Grease Pump — 4-Lbs./Min. Max Flow Rate, 180 PSI Max. Air Inlet Pressure

Item# 27892

Only $349.99
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Manufacturer's Warranty: 12 months limited parts / No labor

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Product Summary

The Roughneck Air-Operated Grease Pump is a high-flow pump designed especially for use in manufacturing, automotive or other high-use service facilities. Delivers a max. flow rate that's more than 2 times the flow rate of a standard pump. A rugged inlet cage is built to withstand demanding shop environments.

What's Included

  • (1) Grease pump

Features + Benefits

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  • Max. flow rate of up to 4-lbs./min.
  • Double-acting pump provides continuous flow operation
  • 50:1 pressure ratio allows you to pump lower viscosity (up to NLGI 1 grade) grease
  • 1/4 in. air inlet connector
  • 180 PSI max. air inlet pressure
  • Can be connected to a regular air compressor
  • Includes 37 in. L x 1 1/4 in. dia. suction tube

Key Specs

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Item#27892
Ship Weight22.0 lbs
Flow (GPM)4-lbs./min.
Average Air Consumption (CFM)21:6
Operating PSI70–180
Max. PSI9,000
Max. Fluid PSI9,000
Air Inlet Size (in. NPT)1/4
Inlet Port (in.)1/4
Outlet Port (in.)1/4
Gear Ratio50:1
Pump Tube (dia.)1 1/4
Pump Tube Length (in.)37
Dimensions L x W x H (in.)50 25/64 x 6 7/8 x 5 3/4

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Extended Warranty

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Service Protection Plus

Manufacturer Warranty:
12 months limited parts / No labor

Protect your purchase beyond the manufacturer's warranty
with Service Protection Plus!

DESCRIPTION (Click More Info for details) 1 Year Extension 2 Year Extension
Extended Warranty Replacement Plan
Only $34.99
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Extended Warranty + Accidental Damage Replacement Plan
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Only $79.99
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Roughneck Air-Operated Grease Pump — 4-Lbs./Min. Max Flow Rate, 180 PSI Max. Air Inlet Pressure The price is $349.99.
Roughneck Air-Operated Grease Pump — 4-Lbs./Min. Max Flow Rate, 180 PSI Max. Air Inlet Pressure
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Hide Similarities
Flow (GPM)
1.76lbs./min. 4-lbs./min. 3.7 - 0.35
Average Air Consumption (CFM) 4.3 21:6 4.5 at 115 PSI - 6
Operating PSI
70–115 70–180 70–115 150 40–150
Max. PSI
115 9,000 150 - 7,500
Max. Fluid PSI 5,800 9,000 575 - 150
Air Inlet Size (in. NPT) 1/4 female 1/4 1/4 - 1/4 NPTF
Inlet Port (in.) No 1/4 None - 1/4
Outlet Port (in.) 1/4 1/4 1/2 - 1/4
Gear Ratio
50:1 50:1 5:1 50:1 50:1
Pump Tube (dia.) 1 3/16 1 1/4 1 21/32 - 1
Pump Tube Length (in.) 19 37 37 - 20 7/16
Max. Fluid Temp. (°F) 194F - 194 - -
Max. Suspended Solids (in.) No - - - None
Hose (in. x ft.) 1/4 x 13 - 1/2 x 50 - 7
Dimensions L x W x H (in.)
20 x 20 x 40 50 25/64 x 6 7/8 x 5 3/4 49 x 20 x 20 - 17 x 17 x 43 1/8