For use in demanding environments, the new E3000-E6500 series of AC powered lift trucks from Cat feature MicroCommandâ„¢ AC control, an advanced operator presence detection system and industry-leading travel, lift and lowering speeds. Nine models have capacities ranging from 3,000 to 6,500 lbs. Torque and speed are controlled separately, allowing for optimum driving performance.Cat Lift Trucks, Houston, TX.