a towing dolly is provided for relocating wheeled loads such as boat trailers , camping trailers and airplanes where towing forces required may be substantial . the towing dolly may have a wheel assembly with a drive gear disposed between proximate treads . the towing dolly may have a narrow wheel width providing easy steering and compact size for storage . the towing dolly may have a motor with a gear sprocket . a linked chain may transfer power from the motor to the drive gear located between the double treads . the dolly may have a steering arm extending perpendicular to drive direction allowing the operator to stand away from path of movement of the load while providing adequate leverage to steer the dolly . the dolly may have an alternate configuration with a power source located on the dolly providing operation independent of plugins or extension cords .