Product Overview
Grades 6# and 8# are suitable for fluid power transmission systems at normal ambient temperatures. Grade 8D# is intended for low-temperature environments and may be used at -40°C.
Key Benefits
- Excellent viscosity-temperature behavior and low-temperature rheology
- Excellent shear stability
- Good compatibility with sealing rubber
- Good anti-wear performance, oxidation stability, rust prevention, and corrosion protection
Applications
- Torque converters, couplings, transmissions, and power-steering systems in heavy trucks, tracked vehicles, loaders, and off-road vehicles
Available Grades
- 6#
- 8#
- 8D#
Technical Data
| Parameter | 6# | 8# | 8D# | Unit | Test method |
|---|---|---|---|---|---|
| Kinematic viscosity at 40°C | 33.89 | 43.55 | 43.55 | mm²/s | GB/T 265 |
| Kinematic viscosity at 100°C | 5.762 | 7.557 | 8.103 | mm²/s | GB/T 265 |
| Viscosity index | 111 | 141 | 179 | GB/T 2541 | |
| Pour point | -30 | -35 | -51 | ℃ | GB/T 3535 |
| Copper corrosion at 150°C, 3 h | 1b | 1b | grade | GB/T 5096 | |
| Rust test (Method A) | No rust | No rust | GB/T 11143 | ||
| Load-carrying capacity (four-ball method) | 862 | 882 | N | GB/T 3142 |
Specifications / Standards
- Q/SYRH 2042-2001 (2009)
Available Packaging
- 200L drum, net weight 170±2 kg
Documents
- Source: Kunlun Hydraulic Fluid scanned product brochure
- Product safety information: refer to the applicable MSDS
Inquiry / Request a Quote
Contact us to confirm grade availability, packaging and delivery terms.


