TractorData.com John Deere Unstyled D tractor photos ... Review
Side-view of John Deere D engine and transmission: Overhead cut-away view of the John Deere model D: 1938 John Deere model D on rubber tires. (2 images) 1924 John Deere D, right side. Photo courtesy of Ronald Tulacz : John Deere Unstyled D serial number location