Countershaft: Labor Times
| Standard Hours | Manufacturer Warranty Hours | Skill Level | Notes | |
| Replace | ||||
| MG5, MY2, M50 | ||||
| Countershaft | ||||
| New Style | ||||
| 2WD | 4.6 | 3.4 | B | Includes: R&I Transmission. |
| 4WD | 6.6 | 4.6 | B | Includes: R&I Transmission. |
| New Process MW3 | ||||
| Countershaft | ||||
| New Style | ||||
| 2WD | 4.6 | 3.4 | B | Includes: R&I Transmission. |
| 4WD | 6.6 | 4.6 | B | Includes: R&I Transmission. |
| ML6 | ||||
| Countershaft | ||||
| 2WD | 7.3 | 5.1 | B | Includes: R&I Transmission. |
| 4WD | 8.0 | 6.1 | B | Includes: R&I Transmission. |