In an earlier blog post I explored the history of the Snap-Coupler hitching mechanism equipped on Allis-Chalmers tractors. While conducting that research I discovered that two Allis-Chalmers engineers designed implement latching systems for tractors. The chief engineer at the La Crosse Works, Willard Tanke, submitted the design trademarked Snap-Coupler. However, another design was patented but… Continue reading The Forgotten Allis-Chalmers Lift Latch
The Weekend Historian
Austin M. Frederick 