Mobile apparatus comprising a main frame (2), a sub-frame (1) connected rotatably to the main frame and an operating arm connected to the sub-frame, wherein the sub-frame is provided with a seating or standing location for a driver, operating instruments (4) controllable by a driver, and a bus system (5) connected to the operating instruments; wherein the main frame is provided with a lifting device (8) to which an implement (18) is connectable; wherein the mobile apparatus further comprises a drive (7, 17) for driving the lifting device and/or the implement, and a control unit (6, 16) connected to the bus system for controlling the drive on the basis of signals from the bus system; this such that the lifting device and/or the implement are controllable via the bus system using the operating instruments in the sub-frame.