The invention discloses an articulated dump truck transmission-oil-cooling energy-saving independent driving system which comprises a transmission unit, a cooling unit, a driving unit and a control unit, wherein the transmission unit comprises an engine, a transmission and an oil radiator; the engine is provided with a fan; the cooling unit comprises a water radiator, a water pump and a thermostat; the driving unit comprises a hydraulic pump, a hydraulic motor and a hydraulic oil can; the control unit comprises a hydraulic controller, an environmental temperature monitor and a water temperature monitor; either of two water outlets is controlled by the thermostat to open according to a monitoring signal fed back by the water temperature monitor; the environmental temperature monitored by the environmental temperature monitor is fed back to the hydraulic controller; and the driving unit is controlled by the hydraulic controller to start or stop. The articulated dump truck transmission-oil-cooling energy-saving independent driving system disclosed by the invention has the advantages that the working mode of the cooling unit is controlled by the driving unit through the control unit according to the temperature monitoring situation, thereby effectively cooling transmission oil, overcoming defects in a conventional transmission-oil cooling driving system, and solving the problem about energy conservation; and the low-pressure standby state of the hydraulic bump is sufficiently utilized, thereby saving energy.