A compact and handy cart sprayer for professional use. The optimal position of the wheels in relation to the tank means that the cart sprayer can be easily pushed even with a full tank. It is equipped with a petrol or electric motor with a powerful diaphragm pump, which is suitable for all common plant protection products. A large selection of accessories allows the device to be adapted to the desired plant protection treatment. The devices are delivered with a valid sticker for plant protection device testing.