40hp Mercury EFI 4S CT



Listing Id 5061285 Length 0.00 Meter
Condition New Type
Make Mercury Year 2021
Model 40hp Mercury EFI 4S CT Engine Type 40hp Mercury EFI 4S CT
Hull Style Other Hull Type Other


The Power To Perform

The large four-cylinder Command Thrust has more displacement than the standard 40hp outboard, giving you the confidence to load up your boat. Perfect for professionals and consumers alike, with more thrust you’ll find it easier to maneuver larger and heavier boats.

The Command Thrust Advantage

With a Mercury 40hp Command Thrust, you can expect strong acceleration, good mid-range punch and the ability to hold the boat at plane at lower speeds. Plus, access the range of professional props so your boat handles perfectly.

Great for:

  • Heavily loaded boats
  • Commercial workboats
  • Deep V hulls
  • Houseboats
  • Pontoons


  • Extra thrust
  • Heavy duty
  • Get on plane quickly
  • Mid-range acceleration
  • Heavy duty
  • Planing at low speed
  • Fits the entire range of V6 propellers

HP / kW
    • 40 / 30
Engine type
    • Inline 4
Displacement (CID/CC)
    • 60.8 / 995
Full throttle RPM
    • 5500-6000
Fuel induction system
    • 2 valves per cylinder, single overhead cam (SOHC)
Alternator amp / Watt
    • 18 amp / 226 watt
Recommended fuel
    • Unleaded 91 RON Minimum
Recommended oil
    • Mercury FourStroke 25W40 Marine Oil
Engine protection operator warning system
    • SmartCraft Engine Guardian
Compatible with SmartCraft digital technology
    • Yes
    • Electric (turn-key)
    • Big Tiller Compatible

    • Remote

    • Tiller Kit
Shaft length
    • 20" / 508 mm
Gearcase ratio
    • 2.33:1
Dry weight *Lightest model available
    • 118 kg
Emissions Star Rating
    • 3
Bore and stroke
    • 2.56 x 2.95" / 65 x 75 mm
    • ECM 07 Digital Inductive
Fuel system
    • Electronic Fuel Injection (EFI)
Cooling system
    • Water-cooled with thermostat
Gear shift
    • F-N-R
Gearcase options
    • Command Thrust
Trim system
    • Power Trim
Exhaust system
    • Through prop
Shallow water trim range (degrees)
    • 20
Remote fuel tank (optional)
    • Yes
    • Phantom Black




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