A device (AC) for controlling the operating conditions of a self-propelled vehicle. The device (AC) including a first device (D1) for controlling the travelling speed of the self-propelled vehicle, and a second device (D2) for controlling the output speed ...

A working vehicle is provided which can be smoothly started with a large driving force, and uniformly conducts a various types of works even if a travel speed varies. A working machine such as a working pump (8), which is also driven by an engine for drivi...