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Somerville, Indiana | Advantage is final drive is up out of the grit and free from being backed into stumps-final drive can be changed out in 8 hours by replacing just the component versus 24 hours labor with a flat track...Track will usually wear more as the pins and bushings turn three times each revolution instead of two, many will argue that...Cat doesn't make the D4H anymore, hasn't for 2 years probably more, may have a problem with parts eventually although Cat literature says they are going to be going back to flat tracks on all tractors smaller than the D8T...The oval track will back up a much steeper incline if that is a benefit to you, isn't to us on very many jobs...Disadvantage: another roller to keep up, the front idler assembly looks very strong but looks are deceiving...Be sure the front idler is free and doesn't rotate when you put a 4 inch block under one side of front of the track shoes and pick up the blade...$$$ in the front idler linkage that can't be seen...The apprx 6 inch chrome 'rod' isn't nearly as thick as one would think it is and can break at the front idler mount...D4H III is much more refined that the early models were.
If you are looking for a good all around Cat that is light enough to haul, parts always easy to find, can do a lot of work in a day without a lot of downtime, look towards a 6C...They are getting very reasonable, and have outside push arms instead of the worn tree on the six way blade...Good to level already loose dirt with but not good for heavy dirt work or clearing...JMO. | |
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Anyone have a Cat D4H?
