Macnaught’s 50:1 P3-TR air-operated grease pump system is engineered for 35 lb./5 Gal. containers. Our Pneumatic Grease pumps have low air consumption motor & don’t need to be lubricated due to the use of modern polymer materials. Quiet air motor design – Meets all industry noise level standards. Includes the B2 Booster Gun – Boosts greasing pressure up to 10,000 psi. 50:1 ratio air motor delivers up to 16 oz/min of fast, efficient grease output. Users will save on power and avoid the oily mist and mess typically associated with air-operated equipment.
Zinc components – For underground mining applications. Fully repairable – Provides a longer service life. Rubber-edged follower plate – Prevents air pockets and contamination. Macnaught air powered grease pumps are suitable for heavy-duty applications and comes with the industry’s leading 10-year warranty.

Macnaught P3-TR Specifications

Model number
P3-TR – Powerlube®

Pump ratio
50:1 Ratio

Max pump output pressure
7,500 psi / 517BAR

Max gun output pressure
10,000 psi / 689BAR

Bare pump
P3003

Suited to pails
5 Gallon / 35lb pails

Hose
13ft x 1/4in ID delivery hose (4m x 6mm)

Control gun
B2 Booster Gun with ZSB swivel

Output at gun
16 oz/min (460 g/min)

Airline Lubricator
Not required

Fully serviceable
✔

Warranty
10 years

Parts guarantee
10 years

Grease viscosity
Up to NLGI No.2

Wetted components
Zinc, Hard Chrome-plated Carbon Steel, Brass, Nitrile and Polyurethane Rubber

Max air pressure
150 psi

Min air pressure
60 psi

Air inlet
1/4″ NPT (F)

Pump Outlet
1/4″ NPT (F)

Min compressor size
3 cfm (0.08m³/ min)

Macnaught P3-TR Features and Benefits

Industry Leading 10-year Warranty
Zinc components – For underground mining applications
50:1 ratio air motor delivers up to 16 oz/min of fast, efficient grease output
Non-corroding air motor design – No airline lubricator required. Easy and low cost to repair
Quiet air motor design – Meets all industry noise level standards
13’ ft high-pressure grease hose – Extra hose length for easier access to difficult applications
B2 Booster Gun – Boosts greasing pressure up to 10,000 psi
360° ZSB Swivel – Improves greasing flexibility and offers easier one-handed operation
KY Supergrip three-jaw high-pressure coupler – Positive no leak connection
Rubber-edged follower plate – Prevents air pockets and contamination
Fully sealed greasing system with built-in grease strainer – Clean grease delivery every time
Heavy Duty Trolley with wheels
Fully repairable – Provides a longer service life

REPAIR KITS

P3-5K: Pump Seal Kit
P3-3k: Seal Kit
P3-1K: Air Motor Seal Kit
PA30s: Valve Body Complete

Macnaught P3-TR Data Sheet: DATA SHEET

Macnaught P3-P6-P8 Air Operated Grease Pumps Instruction Manual: MANUAL

Overview and Setup Video: Macnaught P-Series Grease Pump Setup and General Overview