Drum mowers work best when the drum mowers have 2, 4 or 6 cutting drums. If you have a 6' drum mower that takes 35 HP and a 7' disc mower that takes 40-45 HP they are close to the same size tractor needed for operation. But now you want to go to a 7' or larger drum mower, you will need 70-85 HP and a heavy tractor. When you start increasing the HP requirement above 70 HP operators start thinking 8-10' mowers. The tractor size and HP is the limiting factor for any implement. Take for instance a Lely 9' disc mower only requires 45 HP to operate. The CCM drum mowers fit a niche in the market for the 20-70 HP tractor. The capacity is from 2-5 acres an hour. Our drum mowers are engineered with a 85 HP transmission for durability reasons. We have CCM drum mower customers harvesting 200+ acres of hay a year. Most of our customers fit in the less than 100 acre category. The CCM drum mowers offer the smaller operator, down to 20 HP, the technology of the disc mower at an affordable price. We sell both drum and disc mowers and have so for 25 years. The larger operators may choose a 10' disc mower but they are only purchasing more capacity, both mowers will cut the same.