From Wheels to Tracks. The Caterpillar Machine THE D11 that Changed Everything. This IS the Caterpillar history documentary. In today’s video we are proud to show you weeks of work in what is a FULL DOCUMENTARY on the caterpillar D11 bulldozer. From the very first days of the caterpillar company, founding members, history to solving a massive problem to what became as we know it today, THE D11. Enjoy the caterpillar D11 bulldozer in action from ripping to pushing to interior to assembly.