Description
Mobil Jet™ Oil II is a proven high-performance turbine engine oil based on synthetic ester base stocks. It is specifically formulated for modern turbojet, turboprop, and turboshaft engines, delivering reliable lubrication under extreme temperature and speed conditions.
- Pack size: 946 ml can (1 U.S. Quart)
- Also available on request: 18.9 L pail, 208 L drum
Applications
- Turbojet, turboprop, turboshaft engines (including helicopters)
- Auxiliary power units (APUs)
- OEM-approved use in commercial and military aviation
Features
- Excellent thermal and oxidative stability up to 204 °C
- Reduced coking – cleaner turbine blades and lines
- Proven shear stability – consistent in-service viscosity
- Corrosion protection for common aerospace metals
- Outstanding low-temperature flow – operable down to -40 °C
Specifications and Approvals
- U.S. MIL-PRF-23699F-STD
- SAE AS5780 (SPC)
- UK DEF STAN 91-101
- DCSEA 299/A (France)
- QPL-listed for MIL-PRF-23699
- PRI-QPL-AS5780/SPC
OEM Engine Builder Approvals
- Honeywell / Lycoming Turbines
- Pratt & Whitney (incl. Canada)
- Rolls-Royce / Allison Engine Company
- General Electric (GE)
- CFM International
- International Aero Engines (IAE)
- SNECMA (Safran)
- Honeywell / Garrett Turbine Engine Company
- Turbomeca (Safran)
- Hamilton Sundstrand & Hamilton Standard (APUs & generators)
Note: Final equipment approval must be verified with the engine OEM.
Technical Data
| Kinematic viscosity @100 °C | 5.1 mm²/s (ASTM D445) |
| Kinematic viscosity @40 °C | 27.6 mm²/s (ASTM D445) |
| Kinematic viscosity @-40 °C | 11,000 mm²/s (ASTM D445) |
| Pour point | -59 °C (ASTM D5950) |
| Flash point (COC) | 270 °C (ASTM D92) |
| Fire point | 285 °C (ASTM D92) |
| Density @15 °C | 1.0035 kg/l (ASTM D4052) |
| Total Acid Number | 0.03 mgKOH/g (ARP 5088) |
| Shear stability | 0.9 % loss (ASTM D2603) |
| Foam behavior (Seq. I-III) | 8 / 10 / 8 ml (ASTM D892) |
| Evaporation loss @204 °C (6.5 h) | 3.0 % (ASTM D972 mod.) |
Application Notes
- Use only in aviation-certified turbine systems
- Check OEM compatibility and do not mix with non-approved oils
Hazard Information (CLP)

Signal word: Warning
Hazard statements (H-phrases)
- H361: Suspected of damaging fertility.
- H373: May cause damage to organs (blood, kidney) through prolonged or repeated exposure.
Safety advice (P-statements)
Prevention:
- P201: Obtain special instructions before use.
- P202: Do not handle until all safety precautions have been read and understood.
- P260: Do not breathe mist/vapours.
- P280: Wear protective gloves and clothing.
Response:
- P308+P313: If exposed or concerned: Get medical advice/attention.
- P314: Get medical advice/attention if you feel unwell.
Storage:
- P405: Store locked up.
Disposal:
- P501: Dispose of contents/container in accordance with local regulations.
EXXONMOBIL CENTRAL EUROPE HOLDING GMBH, Ericusspitze 2, 20457 Hamburg, GERMANY, +49 40 6393 0, [email protected], www.exxonmobil.de






isabell23 –
Packaging was slightly damaged, but product is excellent. Very effective; I noticed a change in just one week. Very satisfied, it’s even better than I expected. Perfect for my needs; I couldn’t be happier.
Luke –
Highly recommended. Impeccable service. Everything OK.
Claudia G. –
Better than anything I’ve tried so far. Surprisingly good quality for the price. I was skeptical, but now I’ll order regularly. I was skeptical, but now I order regularly.
Lucas –
Great purchase, thank you. Top quality, fast delivery. Everything excellent.
Hélene –
Packaging slightly damaged, but the product is excellent. Great product, worth every cent.
davide88 –
Easy to assemble.
Océane –
Very effective, I noticed a change in just a week.
manon_b –
Not too big, not too small, perfect. A friend recommended it; I’m very happy with the purchase.
elena_h –
Very fast delivery, thank you. Super fast delivery, thank you.