Hybrid start/run apparatus for engines includes a transport assembly and a hybrid start/run assembly. The transport assembly includes a multi-wheeled truck with at least a front wheel and two rear wheels, a drive motor attached to the rear wheels, transport control apparatus connected to the drive motor and including forward, reverse, and speed controls, and steering apparatus coupled to the at least one front wheel. The hybrid start/run assembly includes an engine, a mating generator couple to be driven by the engine and a plurality of batteries mounted on the transport assembly, and cables adapted to be coupled to a remotely located engine. The control apparatus couples the generator and the plurality of batteries to the cables in at least a start/run position.