Steering Units and Flow Amplifiers The Steering units we supply are designed by our principals with your machine’s maneuverability in mind. Whether for the smallest garden tractor or the largest special purpose vehicle, our solutions offer reliable, safe and comfortable control. We promise a precision performance where the operator’s safety and comfort are always up front. No matter what the application. Our range covers two-wheel, four-wheel or articulated steering, GPS auto-steering, and joystick or other electrically controlled steering − giving the light, smooth machine management operators prefer.