I have a very nice Komatsu PC55MR-3 mini excavator for sale. It has very good rubber tracks. It has the pattern changer to switch between backhoe or iso controls. Very Nice Machine. Works GREAT. Powerful enough to get the job done. 806 Hours. No single mechanical problem. All buckets seen in the pictures are included. A/C ROPS Cabin Quick Hitch Fire Suppression, Reverse Camera E-Stops, Battery Isolator Hammer Piping, UHF Serviced, KOMTRAX Auxiliary hydraulics.