| Standard Hours | Manufacturer Warranty Hours | Skill Level | Notes |
| Tune-Up | 1.5 | 0.0 | B | Includes: R&R Trans Pan, Service Filter And Make All Necessary Adjustments. |
| Diagnose/Test |
| THM-125C/3T40 |
| Oil Pressure Test | 1.2 | 0.0 | A | |
| Replace |
| THM-125C/3T40 |
| R&R Only | 5.6 | 0.0 | B | |
| NOTE |
| With Locking Wheel Covers, Add | 0.2 | 0.1 | B | |
| With Locking Lug Nuts, Add | 0.2 | 0.1 | B | |
| Renew Unit | 6.6 | 0.0 | B | |
| NOTE |
| With Locking Wheel Covers, Add | 0.2 | 0.1 | B | |
| With Locking Lug Nuts, Add | 0.2 | 0.1 | B | |
| Overhaul/Rebuild |
| THM-125C/3T40 | 11.6 | 0.0 | A | |
| NOTE |
| With Locking Wheel Covers, Add | 0.2 | 0.1 | A | |
| With Locking Lug Nuts, Add | 0.2 | 0.1 | A | |
| To Overhaul Differential/Final Drive Assembly, Add | 1.1 | 0.8 | A | |