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		This engine was built in Cleveland, Ohio, by the Cummer Engine Co. It was sold new to the Tigerton Lumber Co. of Tigerton, Wisconsin, in 1887; they used it until 1968. We acquired it in 1991. The engine has a 22x42" cylinder and produces 350 hp at 100 rpm with 100 psi of steam. The 9-ton flywheel has a diameter of 16 feet and is 38 inches wide.
		In 1991, Pabst Brewing donated this 1925 Nordberg Uniflow and Vilter ammonia compressor to the Rock River Thresheree. The Nordberg is a Uniflow steam engine with a 16"x20" cylinder; it operates at 194 rpm and produces 120 hp.
		This 1923 Allis-Chalmers engine was sold new to the city of Clintonville, Wisconsin; in 1933, Clintonville sold it to the Tigerton Lumber Co. of Tigerton, Wisconsin. They operated the machine until 1968. We acquired it in 1991. It has a 14"x26" cylinder and produces 100 hp at 100 rpm with 150 psi of steam. The 3-ton flywheel has a diameter of 12 feet and a width of 16 inches.
		Our 18¾x24 Buckeye was built by the Buckeye Engine Co. of Salem, Ohio. The model "18¾x24" means the engine has an 18¾" bore and a 24" stroke. It operates at 160 rpm and can generate 269 hp at 100 psi of steam. These engines were designed to operate blowers to blow air into boilers to make steam, compressors, electrical generators as well as line shafts to operate other machines. Our Buckeye came from the Milwaukee Solvay Coke Co., where it was in operation from 1905 to the plant's closing in 1983. We removed it from the plant in August 2004 and brought it to our Museum of Agriculture and Industry.
		Our 1934 Worthing 4-cylinder diesel engine was built in Buffalo, New York. We acquired it from Platteville, Wisconsin.