New Direction Equipment (NDE) 25728 Cottonwood Avenue , Sioux Falls , South Dakota 57107 USA About Solutions products Companies New Direction Equipment (NDE) Products NDE - Model 554 Series - Front-Door Mixer NDE - Model 554 Series - Front-Door Mixer 0 Share The 554 has been a powerful leader among medium size dairy producers with its 8 ½ ft. wide tub and 101” loading height. It offers excellent capacity and great versatility. More about Front-Door Mixer Customer reviews No reviews were found for NDE - Model 554 Series - Front-Door Mixer. Be the first to review! Add your review Publish your review Great! review successfully added!