TH55-E90 Oilfield Transmission
Transmission Specifications
| 1F Gear Ratio | 4.67 |
| 2F Gear Ratio | 3.43 |
| 3F Gear Ratio | 3.03 |
| 4F Gear Ratio | 2.53 |
| 5F Gear Ratio | 2.22 |
| 6F Gear Ratio | 1.85 |
| 7F Gear Ratio | 1.64 |
| 8F Gear Ratio | 1.36 |
| 9F Gear Ratio | 1.00 |
| Gears | 9F/0R |
| Gross Input Power | 3300 BHP |
| Gross Peak Input Torque | 9350 ft-lb |
| Rated Input Speed | 1900 r/min |
