Propulsion and load distribution system for pedal actuated vehicle

A trailer, comprising:

• an axle extending across the trailer and operably coupled to a first rocker arm and a second rocker arm, wherein the first rocker arm and the second rocker arm pivot about the axle;
• a first spring mounted to the trailer above the axle and operably associated with the first rocker arm;
• a second spring mounted to the trailer above the axle and operably associated with the second rocker arm;
• a power source operably associated with the trailer;
• a computerized electrical system electrically coupled to the power source;
• a first equalizer attached to the first rocker arm, a first wheel and a second wheel rotatably coupled to the first equalizer;
• and
• a second equalizer attached to the second rocker arm, a third wheel and a fourth wheel rotatably coupled to the second equalizer;
• wherein at least one of the first wheel, the second wheel, the third wheel, or the fourth wheel is a motorized wheel.