The latest and largest HDO 180 helical bevel drive from Bonfiglioli is suited for compact, heavy duty and low maintenance installation on major plant components such as conveyors and feeders. Cased in SG cast iron and with outputs of up to 194,000 Nm torque, they can be used for applications requiring high performance and durability. This model is available with an extensive range of input options, including solid shaft, lantern housing and flexible coupling input shaft. Outputs can be solid, with or without keyway (with single and double extensions), keyed hollow or shrink disc. They can be customized further with options such as fan cooling coil cooling, independent cooling systems, non-contacting seals, forced lubrication, temperature and oil level sensors and drywell for vertical shaft installations.