Patent ID: 7604300

Claim:
A dump truck, defining a large mining truck, comprising a dump body ( 2 ) for the transport of overburden, a first hydraulic circuit ( 8 ) having a first pump device ( 9 ) for the actuation of the dump body as well as a second hydraulic circuit ( 10 ) having a second pump device ( 11 ) for the actuation of a steering ( 6 ) and/or of a braking device ( 7 ) of a dump truck chassis ( 4 ), characterized in that the two hydraulic circuits ( 8 , 10 ) are connected to one another by a valve device ( 12 ) which is controlled by a control device ( 13 ) such that, on one hand, the two hydraulic circuits ( 8 , 10 ) work together in a discharge mode and actuate the dump body ( 2 ) together and, on another hand, the two hydraulic circuits ( 8 , 10 ) work separately in a travel mode so that the second hydraulic circuit ( 10 ) is disconnected from the dump body ( 2 ) and an actuator device ( 14 ) thereof.