The upgraded Super-Duty RV/Trailer Transport Electric Dolly is designed for superior performance and ease of use. Constructed with a commercial-grade steel frame and equipped with highly maneuverable wheels, this dolly is built to handle tough tasks. The patented Adjustable Ball Attachment Mechanism offers greater mobility and versatility, while the maintenance-free drive system ensures long-lasting reliability. The design now includes an additional front caster and two rear support casters to enhance weight handling and stability.