High-power output device of diesel engine

The utility model discloses a high-power output device of a diesel engine, which comprises a box body, a transition gear and a transition gear shaft, the transition gear is meshed with a camshaft bull gear of the diesel engine, the transition gear shaft is arranged in the middle of the transition gear, and the transition gear shaft is fixed on the box body; two roller bearings are arranged between the transition gear shaft and the transition gear, the two roller bearings are positioned through a first check ring, and the two ends of each roller bearing are positioned through a transition gear shaft step and a box body boss respectively; the transition gear is meshed with the driving gear; the driving gear and the box body are radially positioned through two angular contact ball bearings; the motor crankshaft gear drives the transition gear to rotate, the transition gear drives the driving gear to rotate, and therefore transmission and output of power are achieved through a spline in the driving gear. The outp