Learn step-by-step how using the Door Demon® Hopper Trailer Opener (HTO) not only makes the job of opening hopper trailer gates or traps safer, but easier and more efficient. Key features of the HTO The HTO motor and gear combination has been designed with the right amount of torque to open the toughest trailer gates […]
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As the #1 manufacturer of Hopper Gate Openers in the United States and the home of the Door Demon® Hopper Gate Opener, the Arnold Company offers custom designs to meet the specific needs of various working environments.