Four small servomotors, one per wheel, now keep pipe crawlers balanced as they travel hundreds of miles atop oil pipelines looking for dangerously corroded sections of pipe Four small servomotors, one ...
Benjamin Holt's photographer coined the term "caterpillar" after seeing the first crawler tractor at work on the Holt ranch. Caterpillar celebrated 100 years of the crawler tractor during a worldwide ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results