* Cabin and platform (without cabin) design management on various segment & type of tractors.* Design management of cabin and platform frame & roll-over protection system as well as all sheet metal parts on them.* Design management of steering wheel & axle, seat, all command buttons, levers & pedals on the cabin and platform realised by considering functional, regulative & ergonomical constraints.* Design management of all trimming components (console, floormat, various trims/covers, doors, glasses, inner-outer roof, sun-roof, decals, etc.) on the cabin and platform.* Design management of cabin heating-ventilating & air conditioning systems (condenser, evaporator, heating, fan/blower, dryer & piping).* Design management of rear fenders.* Design management of rear hood (dashboard).* Management of the bill of material creation (engineering design changes).* Control & approval of the all 3D designs & 2D technical drawings.* Control & approval of the design changes in case needed after proto trials & tests.* Organising & process management of urgently overcoming the design related problems occur in serial production or after sales.