JSJ Diesel Sales Inc. We are JSJ Diesel Sales, Inc. We Sell: Surplus, New, Used, Reman & Rebuilt Diesel Engines! ——— NEVER A CORE CHARGE. (you keep your old engine). We Offer 3rd Party Engine Financing! This Listings Product Description. Detroit Series 60 DDec3, DDec4, DDec5 Models This listing is for a DDEC4 Model 367k […]