Caterpillar Twenty-Five

The Caterpillar Twenty-Five is a classic tractor built by Caterpillar, a well-known maker of heavy machinery. This tractor has a gear transmission with three forward gears and one reverse gear, giving farmers good control over their work speed.

Under the hood, the Twenty-Five has a Caterpillar-made engine that runs on gasoline. It's a liquid-cooled engine with four cylinders, which helps keep it running smoothly. The engine has a displacement of 277 cubic inches, which is quite large for a tractor of its time. It has a bore of 4 inches and a stroke of 5.5 inches. The engine runs at 1100 rpm, which is a good speed for steady farm work. This tractor is built to be strong and reliable, making it a useful tool for many farming tasks.