









βοΈ Pump up your workflow with power, precision, and peace of mind!
The Macnaught Ratio 5:1 Air Operated Pneumatic Oil Transfer Pump delivers robust, efficient pumping of heavy oils and fluids up to SAE140. Featuring a non-corrosive, oil-free air motor, low noise operation, and a universal 2β bung mount, itβs engineered for professional-grade durability and safety with its stainless steel body and built-in pressure relief valve. Ideal for truck service and industrial use, this USA-made pump ensures reliable, quiet, and powerful fluid transfer every time.



| Brand | Macnaught |
| Fit Type | Universal Fit |
| Vehicle Service Type | Truck |
| Specification Met | SAE |
| Outlet Connection Type | FNPT |
| Body Material | Stainless Steel |
| Inlet Connection Type | Threaded Fitting |
| Connector Type | NPT |
| Gas Type | Diesel |
| Mounting Type | Bung Mount |
| Operation Mode | Manual |
| Product Grade | New |
| Manufacturer | MACNAUGHT USA Inc |
| Model | T512-03 |
| Item Weight | 6.58 pounds |
| Package Dimensions | 15.04 x 5.35 x 4.96 inches |
| Country of Origin | USA |
| Item model number | T512-02 |
| Exterior | Machined |
| Manufacturer Part Number | 001 |
J**.
Works fine. A little less flow than would like.
This pump works good so far. Sounds like Mario brothers game when it pumps. Lol
Trustpilot
2 months ago
2 weeks ago