Positioned automatically
Trailer contacts trigger device and energy of the trailer pivots the barrier locking arm into position.
Versatile design
20″ (0.51 m) high locking arm secures virtually any trailer with a 30-44″ (0.76-1.1 m) tire diameter.
Services the widest variety of trailers including lift-gates, standard over the road with or without RIG’s, and intermodal container chassis.
43-158″ (1.1-4.0 m) engagement range.
Enhances seal effectiveness
Two wheel guides ensure on-center trailer positioning to protect building wall and enhance dock seal or shelter effectiveness.