The Louden series 503 crane is a single girder, motor propelled crane with center drive and outrigger bracing which operates on 3.33” flange runways. This center drive crane is offered in capacities of 1 through 5 tons, with spans up to 58 feet.
Standard bridge speeds are 75 and 135 F.P.M., single speed. Optional travel speeds (single speed) are 50, 110, 165,190, and 225 F.P.M. Other optional speeds are 2-speed, and variable speed.
All speeds, except variable, will have adjustable torque and speed ramps through the use of the Acco Acceleration Control Module, a solid state device providing smooth bridge motion and excellent load control. Variable speed incorporates inverter control.