This Tubeline Nitro 375Rs, from the Manure Spreader category, is a heavy-duty spreader designed for large-volume applications. This unit, which is now Sold, has a 13-ton carrying capacity (444 cu. ft. heaped / 266 cu. ft. struck) and requires a 90 HP tractor. It operates on a 1000 RPM PTO to drive the 34-inch beaters at 420 RPM. With an overall length of 25 feet and a tandem axle width of 115 inches, this spreader is built for high output and efficiency.