TRANSMISSION FLUID HD TO-4 & ALLISON C-4
EMBLEM Transmission Fluid HD is formulated to meet the new Caterpillar TO-4 and Allison C-4 specifications. It is used in power transmissions, wet disc brakes and final drives. It exhibits excellent friction performance, wear protection and oxidation stability. It comes in three viscosity grades, SAE 10W, SAE 30 and SAE 50. These grades are the only grades CATERPILLAR approved for CAT TO-4
Typical Properties
| SAE GRADE | 10W | 30 | 50 |
| Viscosity, SUS @ 210 oF | 45 | 64 | 88 |
| Viscosity, cSt @ 100 oC | 5.7 | 11.3 | 17.6 |
| Viscosity, SUS @ 100 oF | 182 | 463 | 913 |
| Viscosity, cSt @ 40 oC | 39.0 | 100.0 | 197.0 |
| Viscosity Index | 100 | 95 | 95 |
| Gravity oAPI | 29.5 | 27.5 | 25.6 |
| Flash Point COC oF | 410 | 435 | 490 |
| Fire Point COC oF | 435 | 445 | 495 |
| Pour Point oF | - 24 | -8 | 14 |
MEETS: Caterpillar TO-4
Allison C-4