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Description
Gevitro SAE 80W-90 (GL-4) | Transmission Oil (20LT)Rymax Lubricants Gevitro GL 4 Transmission Oil Authorised Distributor South Africa Rymax Gevitro GL 4 80W 90 is a universal mineral transmission oil developed for manual gearboxes and final drives in passenger cars, buses and commercial vehicles where an API GL 4 specification is required. Formulated with paraffinic base oils and EP additives to prevent corrosion, oxidation and foam formation. At a Glance 80W 90 SAE Grade GL 4 API Rating Mineral Base
Rymax Lubricants · Gevitro GL-4 · Transmission Oil · Authorised Distributor — South Africa
Rymax Gevitro GL-4 80W-90 is a universal mineral transmission oil developed for manual gearboxes and final drives in passenger cars, buses and commercial vehicles where an API GL-4 specification is required. Formulated with paraffinic base oils and EP additives to prevent corrosion, oxidation and foam formation.
At a Glance
80W-90
SAE Grade
GL-4
API Rating
Mineral
Base Type
196°C+
Flash Point
-24°C
Pour Point
96+
Viscosity Index
Why Rymax Gevitro GL-4 80W-90
GL-4 EP Protection
Formulated with EP additives appropriate for synchronised manual gearboxes — providing excellent gear protection without the aggressive sulphur chemistry of GL-5 that can attack yellow metal synchronisers.
Synchroniser Safe
Unlike GL-5, the Gevitro GL-4 formulation is compatible with brass and bronze synchroniser rings — essential for correct specification in most European manual gearboxes.
Corrosion & Oxidation Resistance
Additives prevent corrosion, oxidation and foam building — maintaining oil integrity across the full service interval.
Thermal Stability
Excellent thermal stability ensures consistent viscosity and gear protection under sustained operating temperatures.
Broad Vehicle Coverage
Suitable for manual gearboxes and final drives across passenger cars, buses and commercial vehicles.
Anti-Wear Performance
Proven wear protection for gear tooth surfaces, synchronisers and bearings.
Recommended Applications
Commercial Vehicle Gearboxes
Manual transmissions on trucks, buses and light commercial vehicles where API GL-4 is specified.
Passenger Car Manual Gearboxes
European and Asian passenger car manual transmissions where GL-4 is specified — particularly important for synchroniser protection.
Agricultural Tractors
Manual gearboxes and final drives on tractors where a GL-4 specification is required.
Light Commercial Vehicles
Van and bakkie manual gearboxes across the South African fleet.
Industrial Gearboxes
Light to medium industrial manual gearboxes where API GL-4 is specified.
Workshop Use
General workshop gear oil for manual transmissions where GL-4 80W-90 is the most common specification.
Specifications & Approvals
Performance Levels
Suitable For
Technical Properties
| Property | Test Method | Value |
|---|---|---|
| SAE Grade | — | 80W-90 |
| Kinematic Viscosity @ 100°C | ASTM D445 | 14.5 cSt |
| Kinematic Viscosity @ 40°C | ASTM D445 | 108 cSt |
| Viscosity Index | ASTM D2270 | 98 |
| Flash Point | ASTM D92 | 196°C |
| Pour Point | ASTM D97 | -24°C |
| Density @ 15°C | ASTM D4052 | 890 kg/m³ |
Available Pack Sizes
20 Litre
Fleet / workshop
Bulk
Price on request
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy