MAUSER STOU SAE 15W-40 stands as a state-of-the-art, all-purpose STOU (Super Tractor Oil Universal) lubricant for diverse types of heavy-duty machinery including those used in agriculture, construction, and digging, made from select solvent-refined base oils. This lubricant adheres to the rigorous specifications set forth by prominent tractor manufacturers.
Formulated for use in the engine, gearbox, and hydraulic circuits of the latest agricultural machinery, MAUSER STOU SAE 15W-40 with its high-quality solvent-refined bases and synthetic additives, guarantees smooth operations throughout the year, in any weather condition..
The versatility of MAUSER STOU SAE 15W-40 extends to engines, transmissions, and hydraulic systems in the newest models of tractors, making it suitable as an engine oil for both petrol and turbo diesel engines, as well as acting as a gear oil (including for wet brakes) and as a hydraulic fluid.
| Property | Unit | Data | Audit |
| Density at 20 °C | kg/m³ | 865,0 | EN ISO 12185 |
| Viscosity at 100 °C | mm²/s | 13,3 | DIN 51562-1 |
| Viscosity at 40 °C | mm²/s | 94,2 | DIN 51562-1 |
| Viscosity Index VI | 141 | DIN ISO 2909 | |
| Pourpoint | °C | -36 | DIN ISO 3016 |
| Flashpoint | °C | 228 | DIN EN ISO 2592 |
| tbn | mg KOH/g | 12,8 | ASTM D2896 |