SAE 80 Smooth Shift Manual Gearbox and Transaxle Oil
Nulon SS80 is an extreme pressure API GL-4 hypoid gear oil that provides smoother shifting in cold temperatures, helps reduce gearbox noise and controls idle rattle at higher operating temperatures. Nulon SAE 80 Smooth Shift is recommended as an alternative where DEXRON® III is required in manual gearbox for better shifting.
Nulon SS80 is optimized using the synergy of quality base fluids with performance additive chemistry to provide excellent wear protection while maintaining smooth gear changes at cold start. Nulon SS80 is designed to withstand high shearing and maintain lubricant film thickness for excellent wear protection. It is formulated with a low temperature fluidity agent to promote smoother gear changes and reduces gearshift baulking during cold temperature.
Nulon SS80 is suitable as a substitution for SAE 80W-90 or SAE 90 grade oil for gearboxes that experiencing gear shift problems. Nulon SS80 helps to reduce gearbox noise and controls idle rattle at higher operating temperatures.
Nulon SS80 is designed mainly for manual transmissions and transaxle applications where API GL-4 is recommended. It is intended for use in axles with spiral bevel gears under moderate to severe speed and load conditions. It can also be used for axles with hypoid gears under moderate speed and load conditions. Nulon SS80 may be used in selected manual transmission and transaxle applications where API MT-1 lubricants are not suitable.
For enhanced anti-wear performance use Nulon G70 Manual Gearbox & Diff Treatment.
Benefits and Features
- Reduces gearshift baulking in cold temperatures
- Excellent wear protection
- High temperature stability
- Good corrosion protection and rust prevention for longer component life
- High shear stability to maintain film thickness
- Good seal compatibility to reduce leaks
- Improved low temperature fluidity
Applications
- Manual gearboxes and axles that requires API GL-4 performance
- Transaxles with combined manual gearbox and hypoid differentials
- Passenger cars, towing vehicles, 4x4, light commercial vehicles
- Spiral bevel gears and hypoid gears operated under moderate speed and moderate load
- Selected manual transmissions and transaxles where API MT-1 is unsuitable
Typical Characteristics
| Typical Characteristics | SS80 |
|---|---|
| SAE Viscosity Grade | 80 |
| KV @ 100°C, cSt | 9.021 |
| KV @ 40°C, cSt | 66.87 |
| Viscosity Index | 111 |
| Density @ 15°C, g/mL | 0.8813 |
| Pour Point, °C | -42 |
Due to continued product research and development, the information contained in this Product Bulletin is subject to change without notification
Health and Safety
Avoid prolonged skin contact with used oils. Wear suitable gloves. If skin contact occurs wash immediately with soap and water. Prolonged and repeated contact with used oils may cause skin cancer. Protect the environment. Do not pollute drains, ground or water with used oils. Dispose of container as per local EPA guidelines. Do not use this container for fuel or solvents.
Approvals and specifications
Suitable for use where these following specifications are required:
| American Petroleum Institute | GL-4 |
| US Military | MIL-L-2105 |
| Ford | ESW-M2C-83A/B |
| General Motors | HN 1046, 1070, 1820 |
| Mercedes Benz | 235.1 |
| BTR | 5M-42 |





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