The Pull-type Engine Driven Whirlwind M612 Sprayers are equipped/driven by a 90 HP independent engine (Iveco or John Deere brands are used). Therefore, the tractor must simply pull the equipment. They have been specifically designed to solve problems related to treatments on extensive outsize plantations of "fruit-tree or row crops" and in particular on Citrus plantations, Olive plantations, Walnuts, Almonds, Tropical row crops such as: Mango, Pawpaw/Papaya, etc. or where tractors of adequate power are not available.