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Fuel Consumption Models For Tractors With Partial Drawbar Loads, Bryan Jeffrey Smith
Fuel Consumption Models For Tractors With Partial Drawbar Loads, Bryan Jeffrey Smith
Department of Agricultural and Biological Systems Engineering: Dissertations, Theses, and Student Research
Three models for predicting fuel consumption for agricultural tractors with partial drawbar loads were compared. Data were collected from eight John Deere tractors, JD 7230R (e23), 7250R (e23), 7270R (e23), 7290R (e23), 7290R (IVT), 8320R (16 speed), 8345RT (IVT), 8370R (IVT). The tractors were tested with 7 load levels per speed at four different travel speeds as close as possible to 4, 7.5, 10, and 13 km·h-1. The IVT tractors were operated in Auto mode and the geared tractors were shifted up three gears and throttled back to the same travel speeds as the IVT tractors. The 7 …