Open Access
Table 1.
Additional unit labor costs for maintenance-1 and maintenance-2 tractors taking into account the working conditions of the operator in the field conditions
| No | Brands of tractors | Additional labor input: | Additional duration: | ||
|---|---|---|---|---|---|
| ΔTM1 | ΔTM2 | ΔtM1 | ΔtM2 | ||
| 1 | Kirovets, Trion, John Deere, CLAAS Axion | 1.74 | 3.12 | 0.59 | 1.3 |
| 2 | MTZ-80, MTZ-82, MTZ-1221 | 1.26 | 2.17 | 0.51 | 1.25 |
| 3 | T-150K, HZT-150 | 1.67 | 3.31 | 0.16 | 0.56 |
| 4 | DT-75, DT-75M, T-4A | 1.66 | 2.65 | 0.43 | 1.41 |
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