This comprehensive service and parts manual provides detailed information for the S10, S12, and S14D single-cylinder Wisconsin engines. The manual covers a wide range of topics, including service procedures, overhaul instructions, and parts diagrams. It contains 75 pages of detailed information that will assist you in maintaining, repairing, and understanding your Bolens tractor and other equipment powered by these engines. This manual is a valuable resource for both professional mechanics and do-it-yourself enthusiasts.

The Bolens S10, S12, and S14D tractors were a line of compact garden tractors produced by the Bolens company, a prominent manufacturer of lawn and garden equipment, during the mid-20th century. These tractors were known for their robust construction, reliable performance, and versatility, making them a popular choice among homeowners and small-scale farmers. Powered by Wisconsin single-cylinder engines, the S series tractors offered a range of horsepower options, with the S10 featuring a 10 horsepower engine, the S12 boasting a 12 horsepower engine, and the S14D equipped with a 14 horsepower engine. These tractors were designed for a variety of tasks, including mowing, tilling, snow removal, and hauling. The Bolens S10, S12, and S14D tractors were known for their durable construction, featuring heavy-duty steel frames and robust components. The tractors were equipped with manual transmissions, providing users with a straightforward and reliable means of controlling speed and direction. The Wisconsin engines were also renowned for their longevity and efficiency, making these tractors capable of delivering years of dependable service. These tractors were a hallmark of Bolens' dedication to quality and performance, and they continue to be sought after by collectors and enthusiasts today. The S10, S12, and S14D models were a testament to Bolens' ability to produce dependable and versatile tractors that catered to the needs of a wide range of users.