Caterpillar D9 armored bulldozer 18-liter turbocharged diesel engine in action


Caterpillar D9 is a commercial track-type heavy bulldozer with a detachable large blade and a rear ripper attached. This Caterpillar D9 engine we will see in this video is a 18-liter turbocharged diesel engine, producing 474 hp.

It sounds like a monster.