Detroit Series 50 8.5 Liter Turbo Diesel Engine INDUSTRIAL POWER UNIT! 250 HP Posted on January 29, 2024 by admin HARD TO FIND ENGINE — WOULD MAKE AN EXCELLENT POWER UNIT FOR A SAWMILL OR GENERATOR. Good running power unit, complete as pictured. Engine serial # 4R0024339, standard crank/standard bore, 3500 hours on rebuild.