X540 ‒ Series Engine

  • This completely new engine is a direct replacement 540. Perfect for experimental and OEM customers looking to improve horsepower and reliability. Prices start at $44,778.00

    Continental Motors X540 Series Engine

    Airframe type

    Experimental

    Performance

    Maximum Continuous HP260 / 270

    Maximum RPM @ full power2,700

    Recommended TBO (hours)2,000

    Number of Cylinders6

    Bore (inches)5.125

    Stroke (inches)4.375

    Displacement (cubic inches)541

    Compression Ratio8:5:1 / 9:1

    CHT - maximum500° F

    CHT at maximum cruise (recommended)425° F

    Spark Plug Boss

    18mm/14mm

    Fuel

    Fuel DeliveryInjection

    Aviation Grade, Octane (recommended)93/100/100LL

    Dimensions

    Height (inches)24.50

    Width (inches)33.41

    Length (inches)38.40

    Weight

    Estimated Dry Weight (lbs.)404

    Oil temperature

    Normal Operating Temp180° F

    Maximum Operating Temp245° F

    Normal Operating Oil Pressure, psi
    (Maximum / Minimum / Idling)90 / 60 / 25

    Engine mount

    Mount Brackets

    Propellor

    Constant Speed or Fixed

    Prop governor

    LocationFront LH

    Crankshaft

    Flange.44 thick

    Bushings (prop bolt size)1/2-20 UNF

    Oil Capacity12 quarts

    Induction PlenumWarm

    Sump Options

    Mag/Alum