WingFans extra heavy duty fans can be found cooling many of the worlds most powerful forage harvesters. The unique difficulties in cooling the 450 to 1100 hp engines while the harvesters traverse rough terrain at speed require the toughest materials and advanced fan design to withstand the high vibration, extreme temperatures and gyroscopic forces. Manufacturers of specialized agricultural machines turn to WingFan to help them solve some of the most challenging cooling demands with highly compact hydraulically driven fans. WingFans experienced team of engineers can provide guidance to sufficiently cool your machine and ensure maximum durability.