Abstract— A computer programme was developed to estimate fuel consumption rate in liter per hour for medium agric-tractor with load and without load under different soil conditions. The programme enables the user to insert the input data through the input interface and obtain the output rapidly. The model was verified, validated and tested by using data from literature and a private agricultural services company in Sudan, for two types of heavy disc harrow (AH280, BH360), (H56,CH65C) driven by challenger track tractors, on the other hand, seeder and ridger separately operated with wheeled 4WD tractors. It was also tested by data from Sennar Agricultural Services Center, using heavy disc harrow with 4WD tractor. The sensitivity analysis showed that the change in any of input parameters, e.g. speed, unit draft, engine power affected directly the estimated fuel consumption rate. Accordingly, the computer programme performed very well in estimating fuel consumption and can be used as a good guide to the farmer or any interested person in machinery management and for quick decision-making.
Keywords— Computer, programming, prediction, fuel, tractor, consumption.
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