DESCRIPTION |
FEATURES |
SPECIFICATIONS |
DOCUMENTS |
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DESCRIPTION
**AeroShell Turbine Oil 555** is a synthetic hindered ester oil formulated with a precise additive blend to enhance **thermal and oxidation stability** while increasing the **load-carrying capability** of the base oil.
It delivers outstanding performance in **helicopter transmission and gearbox systems**, ensuring **engine cleanliness, reduced sludge formation**, and **extended on-wing life**.
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## Applications
- Helicopter transmission and gearbox lubrication
- Supersonic transport (SST) engines and high-performance turbine applications
- Industrial and marine versions of Rolls-Royce RB211-22 and Olympus engines
- General Electric LM 100, 250, 350, 1500 and 2500 engines
- Suitable where **synthetic ester oils** are required; not compatible with some seal materials, paints, or plastics
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## Why CJ Aerospace?
CJ Aerospace provides high-quality turbine oils with expert technical support:
- 🇦🇺 **Australian-owned & operated**
- 📦 **Fast local dispatch across Australia & New Zealand**
- 🔧 **Technical guidance for compatibility and maintenance**
- ✈️ **Trusted by MROs, operators, and helicopter fleets**
> ✉️ [Contact us at sales@cjaerospace.com.au](mailto:sales@cjaerospace.com.au)
> Need help confirming if AeroShell TO-555 suits your transmission or gearbox? Our team can assist.
FEATURES
- **Outstanding load-carrying capacity** for helicopter gearboxes
- **Corrosion & oxidation resistance** for engine and gearbox longevity
- **High thermal stability** with low coking and sludge formation
- **Extended on-wing service life**
- **Suitable for high-temperature turbine applications**
SPECIFICATIONS
Package Dimensions
| Length | cm |
| Height | cm |
| Width | cm |
| Weight | |
Details
| Specification | Detail |
|---------------|--------|
| **Oil Type** | Synthetic ester |
| **Kinematic Viscosity @ 100°C** | 5.2 mm²/s (4.90–5.40) |
| **Kinematic Viscosity @ 40°C** | 26.5 mm²/s (min. 23.0) |
| **Kinematic Viscosity @ –40°C** | 11,000 mm²/s (max. 13,000) |
| **Flash Point (Cleveland Open Cup)** | 258°C (min. 246°C) |
| **Pour Point** | <-60°C (max. –54°C) |
| **Total Acidity** | 0.4 mgKOH/g (max. 0.75) |
| **Evaporation Loss 6.5 hrs @ 204°C** | 1.5% (max. 10%) |
| **Foaming Characteristics** | Pass |
| **Synthetic Rubber Swell (SAE AMS 3217/1, 72 hrs @ 70°C)** | 14 (5–25 max) |
| **Synthetic Rubber Swell (SAE AMS 3217/4, 72 hrs @ 204°C)** | 14 (5–25 max) |
| **Thermal Stability / Corrosivity – Metal Weight Change 96 hrs @ 274°C** | Pass (max. 4.0 mg/cm²) |
| **Thermal Stability / Corrosivity – Viscosity Change 96 hrs @ 274°C** | 1.4% (max. 5%) |
| **Thermal Stability / Corrosivity – TAN Change 96 hrs @ 274°C** | 2.6 mgKOH/g (max. 6.0) |
| **Corrosion & Oxidation Stability 72 hrs @ 175°C** | Pass |
| **Corrosion & Oxidation Stability 72 hrs @ 204°C** | Pass |
| **Corrosion & Oxidation Stability 72 hrs @ 218°C** | Pass |
| **Ryder Gear Test Relative Rating (Hercolube A, %)** | Pass (min. 145%) |
| **Bearing Test Rig, Type 1½ – Deposit Demerit Rating, 100 hrs** | Pass (max. 80.0) |
| **Bearing Test Rig, Type 1½ – Viscosity Change @ 40°C** | Pass (0–+35%) |
| **Bearing Test Rig, Type 1½ – TAN Change** | Pass (max. 2.0 mgKOH/g) |
| **Bearing Test Rig, Type 1½ – Filter Deposits** | Pass (max. 3 g) |
| **Sonic Shear Stability – Viscosity Change @ 40°C** | 0.3% (max. 4%) |
| **Trace Metal Content** | Pass |
| **Sediment** | Pass (max. 10 mg/l) |
| **Ash** | Pass (max. 1 mg/l) |
| **Certifications / Approvals** | DOD-PRF-85734A; DEF STAN 91-100; NATO O-160; Joint Service OX-26; Pratt & Whitney 521C Type II; General Electric D-50 TF 1; Allison EMS-53 (Obsolete) |
| **Manufacturer** | Shell / AeroShell |
BROCHURES & DOCUMENTATIONS
List of Brochures
AeroShell Turbine Engine Oils Brochure
List of Documentation
AEROSHELL 555 Technical Data Sheet
AEROSHELL 555 SDS
VIDEO
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