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55:1, 5, 16 or 55 Gallon, Grease Air Pumps
55:1, 5, 16 or 55 Gallon, Grease Air Pumps
55:1, 5, 16 or 55 Gallon, Grease Air Pumps
55:1, 5, 16 or 55 Gallon, Grease Air Pumps
55:1, 5, 16 or 55 Gallon, Grease Air Pumps
Two Year Manufacturer Warranty

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Samson Pumpmaster 3 55:1, 5, 16 or 55 Gallon, Grease Air Pumps

Ships From Manufacturer

Select Model & Quantity:

Model # Description Price Qty
300 55:1 Grease Air Pump 5 Gallon (35 lb) Pail $484.38
302 55:1 Grease Air Pump 16 Gallon (120 lb) Drum $525.33
304 55:1 Grease Air Pump 55 Gallon (400 lb) Drum $546.39
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Samson - Pumpmaster 3 - 55:1, 5, 16 or 55 Gallon, Grease Air Pumps

PumpMaster 3, 55:1 pressure ratio grease pumps

Double acting air operated pumps for high pressure greasing. Primarily recommended for use in portable greasing units. Typically used in portable applications in workshops, service stations and fleet maintenance. Pump includes bung adapter.

Technical Data
Pressure ratio 55:1
Pump tube diameter 1” (26 mm)
Air piston diameter 3” (70 mm)
Air piston stroke 1.5” (35 mm)
Maximum free flow capacity * 21 oz/min (600 gr/min)
Minimum air pressure 40 psi (3 bar)
Maximum air pressure 140 psi (10 bar)
Maximum fluid pressure 7700 psi (550 bar)
Air inlet 1/4” NPSM (F)
Fluid outlet 1/4” NPSM (F)

*Free delivery at 100 psi air inlet pressure, using NLGI II grease at 70º F.

Model# Size
300 5 Gallon (35 lb) Pail
302 16 Gallon (120 lb) Drum
304 55 Gallon (400 lb) Drum