Duff Norton Actuator LT100-1-S002 Newmar RV Step Cover Motor Newmar RV Step Cover Actuator; RV Step Cover Motor Newmar Part # 120599 Model LT100-1-S002 Stroke: 125mm (4.9in) Voltage: 12VDC Current: 3.5 amp Max Duty Cycle: Max.25%, 2min/6min Max Load:500N (112lbs)