Quantum Series Engine Features Engine Overview Fuel System: Bosch HPCR with hardened components to safely operate alternative fuels such as kerosene and JP8/JP5 • Unmatched peformance driven through a perfectly Lubrication System: Front mounted filters, oil service interval increased to 500 hours if use ULSD fuels • Quiet operation, including an 80-percent reduction Electrical System: 12v and 24v, isolated and nonisolated, systems available Air Intake System: New Walker air filter significantly reduces noise Seawater System: Optional dry run capability matched turbocharger and a new 24-valve cylinder head that delivers industry-leading power density in noise at idle, is one of the many benefits from the common-rail fuel system • Enhanced sociability from the high-pressure common-rail design virtually eliminates smoke and improves the whole boating experience • Maximize vessel performance and access comprehensive vessel diagnostic information via SmartCraft® electronics Breather System: Closed Crankcase Ventilation available on all ratings • Peace of mind delivered by the Cummins Captain’s Briefing and global service network Engine Specifications Configuration Bore & Stroke Turbocharged / Aftercooled Counterclockwise facing flywheel Power Ratings Rating EPA Tier 3, IMO II, RCD, EU Stage IIIa Ratings and specifications subject to change without notice. Not responsible for typographical errors.

QSB6.7 Quantum Series Engine Fuel Consumption (Prop Curve) Rating Cooling type Fuel Consumption EPA Tier 3, IMO II, RCD, EU Stage IIIa Fuel consumption data represents performance along a 2.7 fixed pitch propeller curve (for HO, ID, MCD, 3.0 for HD and CON ratings). Fuel consumption is based on fuel of 35° API gravity at 16°C (60°F) having an LHV of 42, 780 KJ/KG (18,390 BTU/lb) when used at 29°C (85°F) and weighing 838.9 g/liter (7.001 lb/US gal). Observed horsepower is certified within ±5% of rated horsepower. Consult your local Cummins professional for further information. Available Accessories...