13 of the Worst Bulldozers Still Crawling Around in 2025

3. Komatsu D37

You'd think with Komatsu's reputation, the D37 would be solid. But sadly, it's more of a disappointment. Its fuel efficiency is poor, and trying to maneuver it in tight spaces is a total headache.

The cab isn't much better. It lacks modern comforts, and if you're spending all day in there, you'll feel it in your back and neck.