All-season extreme-pressure gear and transmission oils produced at the Türkmenbašy refinery to TŠ 05766698-04-2020, in three multigrade viscosities — SAE 80W-90, 85W-90 and 85W-140 — to API GL-4 and GL-5 performance levels. Formulated for hypoid and spiral bevel axles and manual gearboxes operating across a wide temperature range.
Specification
- Viscosity grades: SAE 80W-90, SAE 85W-90 and SAE 85W-140
- Performance levels: API GL-4 and API GL-5
- Standard: TŠ 05766698-04-2020
- Kinematic viscosity at 100 °C: 14.0 to 30.0 mm²/s across the range
- Viscosity index: min 95, all grades
- Pour point: max −28 °C (80W-90) to −18 °C (85W grades)
Grades
SAE 85W-90 GL-4
Kinematic viscosity at 100 °C 16.0–18.0 mm²/s, flash point (open cup) min 220 °C, pour point max −18 °C.
SAE 85W-90 GL-5
Kinematic viscosity at 100 °C 16.0–18.0 mm²/s, flash point (open cup) min 220 °C, pour point max −18 °C.
SAE 85W-140 GL-5
Kinematic viscosity at 100 °C 24.0–30.0 mm²/s, flash point (open cup) min 220 °C, pour point max −18 °C.
SAE 80W-90 GL-4
Kinematic viscosity at 100 °C 14.0–17.0 mm²/s, flash point (open cup) min 200 °C, pour point max −28 °C.
SAE 80W-90 GL-5
Kinematic viscosity at 100 °C 14.0–17.0 mm²/s, flash point (open cup) min 200 °C, pour point max −28 °C.
Physical and chemical indicators
| Parameter | SAE 85W-90 GL-4 | SAE 85W-90 GL-5 | SAE 85W-140 GL-5 | SAE 80W-90 GL-4 | SAE 80W-90 GL-5 |
|---|
| Kinematic viscosity at 100 °C, mm²/s | 16.0–18.0 | 16.0–18.0 | 24.0–30.0 | 14.0–17.0 | 14.0–17.0 |
| Brookfield dynamic viscosity, mPa·s, max | 150000 at −12 °C | 150000 at −12 °C | 150000 at −12 °C | 150000 at −26 °C | 150000 at −26 °C |
| Viscosity index, min | 95 | 95 | 95 | 95 | 95 |
| Mechanical impurities, %, max | 0.01 | 0.025 | 0.025 | 0.01 | 0.025 |
| Water content, %, max | 0.03 | 0.03 | 0.03 | 0.03 | 0.03 |
| Flash point, open cup, °C, min | 220 | 220 | 220 | 200 | 200 |
| Pour point, °C, max | −18 | −18 | −18 | −28 | −28 |
| Copper strip corrosion, 3 h, max | 2c at 100 °C | 2c at 120 °C | 2c at 120 °C | 2c at 100 °C | 2c at 120 °C |
| Four-ball weld load, N (kgf), min | 3283 (335) | 3400 (347) | 3400 (347) | 3283 (335) | 3400 (347) |
| Four-ball scuffing index, N (kgf), min | 490 (50) | — | — | 490 (50) | — |
Applications
Hypoid and spiral bevel drive axles, manual gearboxes, transfer cases and final drives in trucks, buses, agricultural tractors and construction machinery.
Related
Loading and delivery
EXW or FCA Türkmenbaşy. Bulk in ISO tanks, flexitanks and rail tank cars; drummed and palletised consignments for smaller lots.
