| Engine Details | The Command Thrust gearcase sits deeper in the water, can hold a bigger prop, and has a lower gear ratio provide unmatched thrust, maneuverability and boat lift. Ideal for commercial Fishing and commercial workboats. | The Command Thrust gearcase sits deeper in the water, can hold a bigger prop, and has a lower gear ratio provide unmatched thrust, maneuverability and boat lift. Ideal for aluminum tillers, aluminum console, pontoons, and fish & ski. | The Command Thrust gearcase sits deeper in the water, can hold a bigger prop, and has a lower gear ratio provide unmatched thrust, maneuverability and boat lift. Ideal for aluminum tillers, aluminum consoles, pontoons, inflatable soft hulls, jons, and fish & ski. | The 9.9hp FourStroke Command Thrust “CT” delivers big-time power. With a longer design and larger components, the 9.9hp CT is engineered to deliver the type of power, thrust and control that wider, heavier boats demand. | 
                
                    | HP / kW | 60 / 45 | 50 / 37 | 40 / 30 | 9.9 / 7.3 | 
                
                    | Engine type | Inline 4 | Inline 4 | Inline 4 | Inline 2 | 
                
                    | Displacement (L) |  |  |  |  | 
                
                    | Full throttle RPM | 5500-6000 | 5500-6000 | 5500-6000 | 5000-6000 | 
                
                    | Air induction |  |  |  |  | 
                
                    | Fuel induction system | 2 valves per cylinder, single overhead cam (SOHC) | 2 valves per cylinder, single overhead cam (SOHC) | 2 valves per cylinder, single overhead cam (SOHC) | 2 valves per cylinder, single overhead cam (SOHC) | 
                
                    | Alternator amp / Watt | 18 amp / 226 watt | 18 amp / 226 watt | 18 amp / 226 watt | 6 amp / 76 watt | 
                
                    | Recommended fuel | Unleaded 91 RON Minimum | Unleaded 91 RON Minimum | Unleaded 91 RON Minimum | 87 octane / up to 10% ethanol | 
                
                    | Recommended oil | Mercury FourStroke 25W40 Marine Oil | Mercury FourStroke 25W40 Marine Oil | Mercury FourStroke 25W40 Marine Oil | Mercury FourStroke Oil 10W-30 | 
                
                    | Engine protection operator warning system | SmartCraft Engine Guardian | SmartCraft Engine Guardian | SmartCraft Engine Guardian | Low oil pressure Over-rev
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