The reinforced chassis and strong gearbox used in four row GF models ensure the machines reliability under the harshest of environments, and a spring loaded rotor housing can be specified, helping prevent the buildup of soil when working in heavy conditions. A variety of machine options are available, including an XL shaping board (with adjustment up to 1.05 m for high tuber positioning), a shaping board designed  for 3-row carrot cultivation, a seeder mounting frame, shaping board hydraulic pressure adjustment along with a round tine rotor shaft for stony soils.