If you ask me, “Pete, what’s shaking with used 4WD Tractor values,” you’ll get a four-pronged reply. Here’s what’s on my radar: 1. Buyer demand is still solid in the 1-to-3-year-old range. These ...

Alan Taggart still hears the ghosts of Detroit engines that beat the air to death between a roar and a scream on his farmland, powering eight tractors at the vanguard of the four-wheel drive era.