1978 Case 450 Crawler, Case 207 4 cylinder diesel Back Hoe attachment w/ 4 in 1 bucket. The running hours stopped reading at 5881hrs. All hydraulic cylinder have had seals replaced. All hydraulic filters replaced, hydraulic oil changed, all fuel filters replaced Air filter, oil filter and engine oil changed. New muffler New thermastate, new rad hoses, coolant fluid flushed and replaced. Don't hesitate to call with questions. I have only had this machine for one year and realized it's to big for what I need.. l am still using it as it is useful. We are looking to sell but would be interested in trading for a small excavator.