| Standard Hours | Manufacturer Warranty Hours | Skill Level | Notes |
| Replace |
| NV1500/NV3500/NV3550 |
| Complete Assembly Without Transfer Of Parts | 4.1 | 2.0 | B | |
| NOTE |
| With Skid Plate, Add | 0.4 | 0.2 | B | |
| With Dual Exhaust, Add | 0.5 | 0.3 | B | |
| With 2 Piece Driveshaft, Add | 0.4 | 0.2 | B | |
| Complete Assembly With Transfer Of Parts | 4.4 | 2.2 | B | Includes: R&I Transmission. |
| NOTE |
| With Skid Plate, Add | 0.4 | 0.2 | B | |
| With Dual Exhaust, Add | 0.5 | 0.3 | B | |
| With 2 Piece Driveshaft, Add | 0.4 | 0.2 | B | |
| NV4500, NV4500HD |
| Complete Assembly Without Transfer Of Parts | 5.2 | 2.7 | B | |
| NOTE |
| With Skid Plate, Add | 0.4 | 0.2 | B | |
| With Two Piece Drive Shaft, Add | 0.4 | 0.2 | B | |
| With Dual Exhaust, Add | 0.5 | 0.3 | B | |
| Complete Assembly With Transfer Of Parts | 5.5 | 2.9 | B | Includes: R&I Transmission. |
| NOTE |
| With Skid Plate, Add | 0.4 | 0.2 | B | |
| With Two Piece Drive Shaft, Add | 0.4 | 0.2 | B | |
| With Dual Exhaust, Add | 0.5 | 0.3 | B | |
| Overhaul/Rebuild |
| NV1500/NV3500/NV3550 | 8.7 | 5.2 | A | Includes: R&I Transmission. |
| NOTE |
| With Skid Plate, Add | 0.4 | 0.2 | A | |
| With Dual Exhaust, Add | 0.5 | 0.3 | A | |
| With 2 Piece Driveshaft, Add | 0.4 | 0.2 | A | |
| NV4500, NV4500HD | 9.8 | 6.9 | A | Includes: R&I Transmission. |
| NOTE |
| With Skid Plate, Add | 0.4 | 0.2 | A | |
| With Two Piece Drive Shaft, Add | 0.4 | 0.2 | A | |
| With Dual Exhaust, Add | 0.5 | 0.3 | A | |