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- USA
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Ships within 48 hours · Estimated delivery Jul 6 - Jul 11
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Description
Rymax STOU SAE 15W-40 (205LT)Rymax Lubricants Styx STOU Super Tractor Oil Universal Authorised Distributor South Africa Rymax Styx STOU 15W 40 is a Super Tractor Oil Universal one multifunctional lubricant for the engine, transmission, hydraulics, wet brakes and final drives of modern tractors. Replaces multiple tractor specific products with one universal fluid. Available in 205L drum from Orbit Industrial for agricultural operations. At a Glance 15W 40 SAE Grade STOU Product
Rymax Lubricants · Styx STOU · Super Tractor Oil Universal · Authorised Distributor — South Africa
Rymax Styx STOU 15W-40 is a Super Tractor Oil Universal — one multifunctional lubricant for the engine, transmission, hydraulics, wet brakes and final drives of modern tractors. Replaces multiple tractor-specific products with one universal fluid. Available in 205L drum from Orbit Industrial for agricultural operations.
At a Glance
15W-40
SAE Grade
STOU
Product Type
Universal
Application
Multiple
Systems
205L
Pack Size
API CF
Engine Rating
Why Rymax Styx STOU 15W-40
One Oil for the Whole Tractor
Replaces separate engine oil, hydraulic fluid, transmission fluid and wet brake fluid — one product lubricating all major tractor systems.
Wet Brake Compatibility
Correct friction characteristics in wet brake systems — preventing brake chatter and maintaining consistent braking performance.
Hydraulic System Performance
Correct viscosity and additive characteristics for tractor hydraulic systems.
Engine Protection
CI-4/CF rating provides robust diesel engine protection with adequate TBN for acid neutralisation.
Transmission & Final Drive
EP additives protect transmission gears and final drives under high torque field operation loads.
Simplified Procurement
One product code replaces multiple SKUs — reducing storage requirements and simplifying lubrication management.
Recommended Applications
Modern Tractor Engines
Diesel engines in John Deere, Case IH, New Holland, Massey Ferguson and Deutz-Fahr tractors where STOU is approved.
Tractor Hydraulic Systems
Hydraulic systems controlling implement lift, three-point hitch and auxiliary circuits.
Power Shift Transmissions
Power shift and synchronized tractor transmissions.
Wet Brakes & PTO
Wet disc brakes and PTO clutch systems.
Final Drives & Differentials
Tractor final drives, differential and axle drives.
Agricultural Fleet Management
Farm operations running multiple tractors where STOU simplifies procurement.
Specifications & Approvals
Performance Levels
OEM Approvals
Technical Properties
| Property | Test Method | Value |
|---|---|---|
| SAE Grade | — | 15W-40 |
| Kinematic Viscosity @ 100°C | ASTM D445 | 14.5 cSt |
| Kinematic Viscosity @ 40°C | ASTM D445 | 105 cSt |
| Viscosity Index | ASTM D2270 | 138 |
| Flash Point | ASTM D92 | 214°C |
| Pour Point | ASTM D97 | -27°C |
| Density @ 15°C | ASTM D4052 | 874 kg/m³ |
Available Pack Sizes
205 Litre Drum
Price on request
Bulk Tanker
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