The SCHOUTEN spider Combi-line drag-hose injector with a very low weight whereby almost in every circumstances slurry can be injected. For pulling a trailing hose a hydraulic hitch is built between the tractor and the machine. The hose is connected to a 180º hydraulically turnable and telescopic extendable drag hose coupling connected to the lift. There is also an under pressure rotateable coupling mounted to which the drag hose is attached. Because of the horizontal and vertical turning coupling, twisting of the trailing hose is decreased noticeably. The hydraulic system can be either Load-Sensing or Open-Center.