used 30 hp Ford 4 cylinder diesel. If you are a backyard mechanic you could fix this easily. 2400 hrs over 40 years. Oil faithfully changed every 100 hrs or less. Trans oil changed every 500 hrs. Runs but smokes. Spare fuel pump,new injector,clutch cone and discs, muffler. When oil changed it took about 10 hrs before oil became black. Fogged every year for winterization. On a farm outside Duncan. Manuals included.