Caterpillar offers the D6K and D6T track-type tractor models, plus the upgraded D6N model.
- Operating weights from 28,409 to 50,968 lbs.
- SystemOne undercarriage with oscillating track roller frame
- 125-hp D6K features a hydrostatic drive system and spacious operator station
- 185-hp D6T offers a C9 engine with ACERT technology, planetary powershift transmission, differential steering system and AccuGrade grade control system
- 150-hp D6N comes with a Cat engine with ACERT technology, and is AccuGrade ready