3-pt mounted seed drill - hopper with V-shaped base for low residual dose – seed positioning by Suffolk coulters or disc coulters – driven by 2 wheels – Variable speed gearbox – HELICA helical volumetric fluted mechanical metering unit – precise, regular application rate unaffected by vibrations – Full equipment including a covering harrow, and anti-blockage flaps on the Suffolk coulters – particularly simple calibration adjustment and test.