Seals and Gaskets: Labor Times
| Standard Hours | Manufacturer Warranty Hours | Skill Level | Notes | |
| Replace | ||||
| Input Shaft Seal | ||||
| Without Allison | 2.9 | 0.0 | B | |
| NOTE | ||||
| With Skid Plate, Add | 0.2 | 0.1 | B | |
| 136, 236, 246 | ||||
| Output Shaft Seal | ||||
| Front | 0.8 | 0.5 | B | |
| Adapter Gasket | ||||
| New Style | 1.8 | 1.4 | B |