John Deere Equipment Private Ltd supplies 6.8L Engine with Watercooled Exhaust Manifold. John Deere Equipment Private Ltd is ISO 9001:2000 and ISO 14001:2004 certified. 6.8L Engine with Watercooled Exhaust Manifold has Watercooled Exhaust Manifold and offers a cooler and quieter environment for vessel and crew. Ideal for patrol craft, launches, and work boats, fishing boats, trawler yachts and sport fishing boats, this 6.8L Engine with Watercooled Exhaust Manifold comes with the Following features and benefits: