With Z options: A11 = PTC thermistor switch-off G04 = Fan mounting BS on top, air inlet from BS G14 = Air filter G40 = Brake attachment G92 = Mounting tacho/pulse generator with brake H14 = Speedometer mounting TDP 0.2L T-4 K29 = Terminal box top + forced cooling fan BS top K45 = Space heater 230 V