| 摘要 |
A system for leveling recreational vehicles and the like consists of two motors operating simultaneously but independently to lift a trailer or other vehicle having vehicle-axles. The system comprises one portable and motorized lifting unit that can be deployed selectively on either side of the vehicle, or both, as required. The motorized lifting unit comprises a pair of motorized jacking units connected by a common and centrally positioned tube-type rail member. A pair of motorized jacking units electrically couple to a controller. The vehicle battery or another external power supply powers both electric motors.
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