Simmons Equipment is proud to offer the world’s leading battery-powered, longwall support vehicles.  Longwall moves represent an enormous challenge to underground transportation logistics. Simmons Equipment’s Vers-A-Trac™ family of roof support/shield haulers offers a complete range of capacities to meet the most demanding longwall application. With lift capacities ranging from 20 tons (18 tonnes) to 90 tons (80 tonnes), Simmons Equipment can provide a Vers-A-Trac™ to handle nearly any piece of longwall equipment your operation may need.  With enhanced traction and maneuverability, improved range of motion of the lift, and state-of-the-art VFD control systems, the Vers-A-Trac™ is truly the gold standard in longwall support.