Central Power systems powerunits.  Daimler Ag powerunits.  Equipped with Mercedes engines minus the rear pto clucth assemblies.  Powerunits have very low hours.  Was told only hours on units was from break in and testing.  3 of engines are 6 cylinders and 2 engines are 4 cylinders.  All run on def fluid.  Was told engines were $40000 to $50,000 new.  Asking $22,000 each for 4 cylinder engines and $24,000 each for 6 cylinder engines.