Up to three ton capacities for heavy-duty industrial applications. Gear train lifetime lubricated with non-oxidizing grease. Precision machined and hardened liftwheel with hardened chain guides for precise chain liftwheel fit. Gearing designed for exceptionally long life and quiet operation. Hoist duty motor, standard Protector overload device and standard screw type limit switches. Rugged control station (NEMA 4). H4 duty standard. Hook suspension (Not Included).