January 2019 saw increases in U.S. sales of combines and four-wheel-drive tractors as well as total U.S. two-wheel-drive tractor sales compared to January last year, according to the latest data from the Association of Equipment Manufacturers. The monthly sales report from AEM shows U.S. four-wheel-drive tractor sales gained 38.2 percent in January compared to last year and U.S. January combine …