6 0 CAT C6.6 Diesel Engine Power Unit AR 394-8720 $12,595 USD Caterpillar C6.6 diesel engine, power unit w/ cooling package accessories, arrangement # 394-8720 (3948720,) 230 HP at 2500 RPM rating, PRE-EMISSIONS, showing 5100 hours on filters, test... ConditionUsedStock Number17691 MLS Number13604827CategoryEngines Last Updated5/26/2025 LocationCarbondale, PA, US Sold ByOld Forge Power Equipment, Inc (833) 662-___ SHOWNUMBERCall Seller Email Seller Save More Info