Haybuster's H-1130 Big Bite Tub Grinder is made to meet the demands of today's farmers, ranchers and feedlots. The high capacity PTO grinder and heavy duty 50-inch hammermill can grind hay, straw, stover, grain, bark, mulch, brush and branches up to 2 inches (5 cm) in diameter. The H-1130 operates with 200-315 hp tractors and has a 40 percent larger under screen area that means you can grind more with less worry about plugging.