The compact SP1800 series is the smaller of our two models. It is equipped with the superb semi air suspended Claas Vista cab, dynamic self-levelling all round axle air suspension, 4WD and 4W steering with auto headland select and automatic safety lockout on the road. A choice of powerful 6-cylinder engines up to 300hp. The sprayer unit offers tank capacities up to 5000 litres and boom widths out to 40 metres. Knight has led the way with their patented and innovative boom design for many years. Our latest 4D back frame takes boom movement control to another level. With every technical feature an available option - If you want it, we can build it!