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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:
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

Note – values for ΔTM1, ΔTM2 and ΔtM1, ΔtM2 defined for n = 0.6

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