Fifty years ago, John Deere entered a new era of tractor design when the company introduced four new models of tractors with 4- and 6-cylinder engines to replace the 2-cylinder design it had used ...

John Deere (you know, the green-and-yellow trucker-hat brand) thinks it has a solution to this, for lawn tractors at least, with its Easy Change 30-second oil change system. A 30-second oil change ...