Tractor test: Fendt 936 Vario With 360hp max power, a 60km/hr CVT box and a host of control spec on the featured 936 Vario, it is quite tricky to see in which direction Fendt can next progress its conventional tractor flag. More muscle? More speed? Who knows? For now, though, we must ‘make do’ with the current model, a tractor that pairs infield lugging power with a healthy dose of transport capability