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9.9-60hp Command Thrust

Enhanced fuel injection for boosted efficiency

The rugged Mercury Marine Command Thrust “CT” gearcase swings a bigger prop deeper in the water for dramatic improvement in thrust and control for heavier boats.

mercury motor boat

Engine Information and Specifications

Scroll within the table below to view specifications for each engine.

60 FourStroke Command Thrust 50 FourStroke Command Thrust 40 FourStroke Command Thrust 9.9 FourStroke Command Thrust
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