Gday Anyone out there have a 267 or 277 Cat mtl .I am intersested in chatting about maintenance issues that you may have come across<I have had a few mostly undercarriage wheel tube seals failing,much sooner than my old posi track which is strange because they are both made by the same company,much better fuel economy than posi track.overall satisfied with the machine much better operator station certainly notice that it is a little harder to turn under load than md 2810.Really glad I got cat to mount an external air intake anyone considering these machines should get one fitted much better for a turbo diesel. Cheers