Split type internal combustion liquid transmission pack for motor train unit

The invention discloses a split type internal combustion liquid transmission pack for a motor train unit. The split type internal combustion liquid transmission pack comprises a power transmission unit, a cooling heat dissipation unit and an oil-water pipeline connecting the power transmission unit and the cooling heat dissipation unit; the flywheel end of a diesel engine is connected with a hydraulic transmission box through an elastic coupler, the free end of the diesel engine drives an auxiliary power generator hydraulic pump and a cooling hydraulic pump, and the power generator hydraulic pump drives an auxiliary power generator; and a first cross beam of a mounting frame comprises an upper convex part, a second cross beam comprises a lower concave part, a first longitudinal beam and a second longitudinal beam are arranged between the upper convex part and the lower concave part, a diesel engine is mounted on the first longitudinal beam and the second longitudinal beam, and the hydraulic transmission box i