Sonic Torc Series IV

Description
Sonic Torc Series IV powershift transmission fluid is designed to meet the Caterpillar TO-4 service specifications. It is also formulayed to meet Allison C-4, Komatsu Micro Clutch, and API-CF performance.
Sonic Torc Series IV M/S has all the qualities of Sonic Torc Series IV, and offers unsurpassed shear stability (shear loss of 8.8 in 20 hour KRL test) and the added advantage of multi-season performance.
Application
Sonic Torc Series IV transmission-drive train oils (TDTO) are designed for use in Caterpillar off-highway vehicles. The SAE grades 10W, and 30 offer the equivalent performance of Caterpillar's TDTO. The multi-season product is formulated to match the performance of Caterpillar's TDTO (TMS).
Sonic Torc Series IV is recommended for use in:
- Powershift and hydrostatic transmissions
- Wet brake mechanisms
- Differentials and final drives
Performance Features
Sonic Torc Series IV offers the following features:
- Improves the life of friction material
- Superior transmission shift characteristics
- Reduces friction loss
- Resistance to foaming for hydraulic applications
- Improved friction and seal compatibility
- Excellent load carrying capacity and anti-wear protection
- Excellent oxidation stability
Availability
Sonic Torc Series IV is available in 205 litre drums and 20 litre pails.
Typical Properties
SAE Grade |
10W |
30 |
M/S |
| Viscosity @ 40°C |
33.8 |
94.5 |
58.0 |
| Viscosity @ 100°C |
5.8 |
11.0 |
10.6 |
| Viscosity Index |
112.0 |
101.0 |
176 |
| Brookfield Viscosity @ °C |
58,200/-35 |
93,000/-25 |
5,440/-30 |
| Pour Point |
-36°C |
-27°C |
-48°C |












