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The ORANGET Locomotive Air Conditioner - We've upgraded our patented "ORANGE" Locomotive Air Conditioner (A/ C) to contend with current environmental and climate changes meeting HIGH AMBIENT conditions of up to 130 degrees. ORA-2023 "Orange" Modifications Introduced "High Temp" motor controller to combat high ambient conditions. Switched to electronic thermostat for improved temperature control. Eliminated variable motor speed to shut down motor, enabling less heat generation in high ambient temperatures. Switched motor speed controller to relay operated. Regulated charge to eliminate overcharging in the field. Additional cooling fans and vents on compressor drive module for high ambient temperatures. Contact: rail@inps.net