Question

farmer is using a tandem disk harrow for primary tillage in a medium texture soil. The disk width is 6 m, the travel speed is 10 km, and the tillage depth is 20 cm. Estimate the drawbar power of a tractor required. Ignore any losses that occur during field operations

Answer 1

Drawbar power =VA

A=6*0.2

=1.2m²

P=10*10³*1.2

=12000W