Famous Global Australian Brand - since 1948
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 Data Sheet: PDF
Macnaught P3-P6-P8 Air Operated Grease Pumps Instruction Manual: PDF
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