Large-power diesel locomotive

The utility model discloses a high-power internal-combustion locomotive which comprises a diesel engine, a transmission apparatus, a body running gear, an auxiliary device, a braking device and a control device, the loading power of the locomotive is 4800 Kw, the biggest starting tractive force is 580 KN, the continuous tractive force is 440 KN, the continuous velocity of the locomotive is 31.4 km/h, the biggest wheel circumference braking power of the locomotive is 3840 Kw, and the biggest wheel circumference electric resistance brake force is 300 KN; the diesel engine is arranged on the main frame through eight elastic supports; the main generator is arranged on the main frame through four rigid supports; and the diesel engine is connected with the main generator through a hoisting mechanism to compensate the angle, radial direction and axial displacement mete during running. The locomotive of the utility model is advance in technology, big in power and excellent in tractive property.