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 | |
| New Process 261 | ||||
| Output Shaft Seal | ||||
| Front | 0.8 | 0.5 | B | |
| Rear | 0.7 | 0.4 | B | |
| Adapter Gasket | 2.7 | 2.0 | B | |
| NOTE | ||||
| With Skid Plate, Add | 0.2 | 0.1 | B | |
| 136, 236, 246 | ||||
| Output Shaft Seal | ||||
| Front | 0.8 | 0.5 | B | |
| Rear | 0.7 | 0.4 | B | |
| Adapter Gasket | ||||
| Old Style | 3.0 | 2.2 | B | |
| New Style | 1.8 | 1.4 | B | |
| NOTE | ||||
| With Skid Plate, Add | 0.4 | 0.2 | B | |
| 241, 243 | ||||
| Output Shaft Seal | ||||
| Front | ||||
| Old Style | 0.8 | 0.5 | B | |
| Rear | ||||
| Old Style | 0.7 | 0.4 | B | |
| Adapter Gasket | ||||
| Old Style | 3.0 | 2.2 | B | |
| NOTE | ||||
| With Skid Plate, Add | 0.4 | 0.2 | B | |
| 1370, 4401 & 4470 | ||||
| Output Shaft Seal | ||||
| Front | ||||
| Old Style | 0.8 | 0.6 | B | |
| Rear | ||||
| Old Style | 0.7 | 0.4 | B | |
| Adapter Gasket | ||||
| Old Style | 3.5 | 2.6 | B | |
| NOTE | ||||
| With Skid Plate, Add | 0.4 | 0.2 | B |