TR / TR-B Series Capacities range from 1,000 to 6,000 kilograms. For pipes or vessels rotation. Metallic rollers bounded with polyurethane. Quick, accurate roll centering adjustment. Standard hand pendant with Forward-Stop-Reverse, speed potentiometer. TR-0103, TR-0104 & TR-1000B solid-state controls with dynamic braking. TR-3504, TR-3500B & TR-6000B AC inverter drive. High frequency protected. Fast/Slow footswitch - optional. TR-KB Series Capacities range from 15,000 to 60,000 kilograms. Superior worm gears reducer designed to provide high torque and low backlash. Synchronized AC inverter drive control for two motors. Metallic rollers bounded with natural rubber. TR-KB series designed with symmetrical roller for quick and accurate centering adjustment. Adjustment bolt for different work diameter. Standard hand pendant with Forward-Stop-Reverse, speed potentiometer. High frequency protected control box. Fast/Slow footswitch - optional.