Continental 500 Series AvGas Engine

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    Continental IO-520-F AvGas Engine  
    Continental IO-520-C AvGas Engine  
    Continental GSTIO-520 AvGas Engine  
    Continental GSTIO-520 AvGas Engine: Front View  
    Continental 550 AvGas Engine  
    Continental GSTIO-550 AvGas Engine  
    Continental GSTIO-550 AvGas Engine  

    Continental® introduced the first 520 series engine to the world in the Beechcraft® Bonanza and the Cessna® Centurion in 1964. The 520 series includes 520 in3 models in either naturally aspirated or turbocharged configurations. With the right combination of thrust and efficiency, our 520-series engines have powered some of the most successful aircraft in general aviation history and continues to deliver reliability and value to its owners.

    The 550 series includes 550 in3 models in either naturally aspirated or turbocharged configurations. With the right combination of thrust and efficiency, our 550-series engines are powering some of the most successful and high performing aircraft in general aviation history like the Cirrus® SR22T, Beechcraft® Baron/Bonanza, and Mooney®. With a powerful range of 280 to 350 HP at 2500 to 2700 RPM, you’ll be glad you fly a 550 engine.


    THE 500 SERIES IS A FAMILY OF AIR COOLED, NATURALLY ASPIRATED, HORIZONTALLY OPPOSED, 6-CYLINDER, GASOLINE, FUEL INJECTED, SPARK IGNITION, FOUR-STROKE, DIRECT DRIVE, RIGHT (CW) ROTATING, AIRCRAFT ENGINE WITH MANUAL ENGINE CONTROLS FOR FIXED WING AIRCRAFT. THE TURBO SERIES IS TURBOCHARGED FOR FIXED WING AIRCRAFT (550).


    Certified Fuels

    100/100LL AvGas (520 & 550)
    and 94UL (TSIO-550-K Only)

    Displacement

    8514 cm520 in3 (520)
    9046 cm3 552 in3 (550)

    Power

    186 to 280 kW250 to 375 HP (520)
    209 to 261 kW280 to 350 HP (550)

    Maximum Rated RPM

    2600 to 3400 r/min2600 to 3400 rpm (520)
    2500 to 2700 r/min2500 to 2700 rpm (550)

    Bore

    133.35 mm 5.25 in

    Stroke

    101.6 mm4.00 in (520)
    107.95 mm4.25 in (550)

    Compression Ratio

    7.5:1 (turbocharged) and 8.5:1 (naturally aspirated)

    Height

    477 to 1030.22 mm18.78 to 40.56 in (520)
    501.7 to 933.2 mm19.75 to 36.74 in (550)

    Width

    845.57 to 1079.5 mm33.29 to 42.5 in (520)
    852.4 to 1076.7 mm33.56 to 42.39 in (550)

    Length

    933.2 to 1616.2 mm36.74 to 63.63 in (520)
    933.2 to 1215.6 mm36.74 to 47.86 in (550)

    Dry Weight

    165.5 to 253.1 kg364.8 to 558 lbs (520)
    206.8 to 307.0 kg455.9 to 676.9 lbs (550)

    Time Between Overhaul

    1600 to 2200 hours or 12 years (520)*
    1900 to 2200 hours or 12 years (550)*

    Turbo Model Availability

    Yes

    * Most engine models manufactured after February 2012 have a TBO increase of 200 hours. Engines used in frequent type service have an additional 200 hour increase. See Service Information Letter SIL98-9B for details.

    520 Series Details

    Model # CYL Rated Power1 Bore x Stroke Displacement Dry Weight2 Certified Fuel Grade Compression Ratio Time Before Overhaul (TBO)3  FAA
    TCDS
    IO-520-BB 6 213 kW @ 2700 133.4 x 101.6 mm 8514 cm³ 209.9 kg 100/100LL 8.5:1 1900 hours or 12 years E5CE
    285 HP @ 2700 5.25 x 4.00 in 520 in³ 462.7 lbs
    IO-520-CB, MB 6 213 kW @ 2700 133.4 x 101.6 mm 8514 cm³ 206 kg 100/100LL 8.5:1 1900 hours or 12 years E5CE
    285 HP @ 2700 5.25 x 4.00 in 520 in³ 454.2 lbs
    IO-520-D, E, F, K, L 6 213 kW @ 2700 133.4 x 101.6 mm 8514 cm³ 207.5 kg 100/100LL 8.5:1 1900 hours or 12 years E5CE
    285 HP @ 2700 5.25 x 4.00 in 520 in³ 457.4 lbs
    IO-520-A, J 6 213 kW @ 2700
    (224@2850)
    133.4 x 101.6 mm 8514 cm³ 208.9 kg 100/100LL 8.5:1 1900 hours or 12 years E5CE
    285 HP @ 2700
    (300@2850)
    5.25 x 4.00 in 520 in³ 460.5 lbs
    TSIO-520-BB, C, DB, H, KB 6 213 kW @ 2700  133.4 x 101.6 mm 8514 cm³ 213.8 kg 100/100LL 7.5:1 1600 hours or 12 years E8CE
    285 HP @ 2700  5.25 x 4.00 in 520 in³ 471.3 lbs
    L/TSIO-520-AE 6 186 kW @ 2400 133.4 x 101.6 mm 8514 cm³ 184.2 kg 100/100LL 8.5:1 2200 hours or 12 years E8CE
    250 HP @ 2400 5.25 x 4.00 in 520 in³ 406.1 lbs
    TSIO-520-EB 6 224 kW @ 2700 133.4 x 101.6 mm 8514 cm³ 214.9 kg 100/100LL 7.5:1 1600 hours or 12 years E8CE
    300 @ 2700 5.25 x 4.00 in 520 in³ 473.9 lbs
    TSIO-520-UB 6 224 kW @ 2700 133.4 x 101.6 mm 8514 cm³ 236.3 kg 100/100LL 7.5:1 1800 hours or 12 years E8CE
    300 HP @ 2700 5.25 x 4.00 in 520 in³ 521.0 lbs
    TSIO-520-JB, LB, T 6 231 kW @ 2700 133.4 x 101.6 mm 8514 cm³ 226 kg 100/100LL 7.5:1 1600 hours or 12 years E8CE
    310 HP@ 2700 5.25 x 4.00 in 520 in³ 498 lbs
    TSIO-520-NB 6 231 kW @ 2700 133.4 x 101.6 mm 8514 cm³ 223 kg 100/100LL 7.5:1 1800 hours or 12 years E8CE
    310 HP @ 2700 5.25 x 4.00 in 520 in³ 491.6 lbs
    TSIO-520-G, M, R 6 213 kW @ 2600
    (231@2700)
    133.4 x 101.6 mm 8514 cm³ 209.5 kg 100/100LL 7.5:1 1800 hours or 12 years E8CE
    285 HP @ 2600
    (310@2700)
    5.25 x 4.00 in 520 in³ 461.9 lbs
    TSIO-520-BE 6 231 kW @ 2600 133.4 x 101.6 mm 8514 cm³ 251.8 kg 100/100LL 7.5:1 2200 hours or 12 years E8CE
    310 HP @ 2600 5.25 x 4.00 in 520 in³ 555.1 lbs
    TSIO-520-P 6 213 kW @ 2600
    (231@2700)
    133.4 x 101.6 mm 8514 cm³ 208.7 kg 100/100LL 7.5:1 1800 hours or 12 years E8CE
    285 HP @ 2600
    (310@2700)
    5.25 x 4.00 in 520 in³ 460.1 lbs
    TSIO-520-AF 6 213 kW @ 2600
    (231@2700)
    133.4 x 101.6 mm 8514 cm³ 243.8 kg 100/100LL 7.5:1 1800 hours or 12 years E8CE
    285 HP @ 2600
    (310@2700)
    5.25 x 4.00 in 520 in³ 537.6 lbs
    TSIO-520-WB 6 242 kW @ 2700 133.4 x 101.6 mm 8514 cm³ 253.7 kg 100/100LL 7.5:1 1800 hours or 12 years E8CE
    325 HP @ 2700 5.25 x 4.00 in 520 in³ 559.2 lbs
    GTSIO-520-D, H 6 280 kW @ 3400 133.4 x 101.6 mm 8514 cm³ 247.5 kg 100/130 7.5:1 1600 hours or 12 years E7CE
    375 HP @ 3400 5.25 x 4.00 in 520 in³ 545.7 lbs
    GTSIO-520-L 6 280 kW @ 3350 133.4 x 101.6 mm 8514 cm³ 259.4 kg 100/100LL 7.5:1 1600 hours or 12 years E7CE
    375 HP @ 3350 5.25 x 4.00 in 520 in³ 571.9 lbs
    GTSIO-520-M 6 280 kW @ 3350 133.4 x 101.6 mm 8514 cm³ 255.3 kg 100/100LL 7.5:1 1600 hours or 12 years E7CE
    375 HP @ 3350 5.25 x 4.00 in 520 in³ 562.9 lbs

    550 Series Details

    Model # CYL Rated Power1 Bore x Stroke Displacement Dry Weight2 Certified Fuel Grade Compression Ratio Time Before Overhaul (TBO)3 FAA
    TCDS 
    IO-550-A 6 224 kW @ 2700 133.4 x 108.0 mm 9046 cm³ 207 kg 100/100LL,B95/130 CIS,
    RH95/130
    8.5:1 1900 hours or 12 years E3S0
    300 HP @ 2700 5.25 x 4.25 in 552 in³ 456 lbs
    IO-550-B 6 224 kW @ 2700 133.4 x 108.0 mm 9046 cm³ 219.8 kg 100/100LL 8.5:1 1900 hours or 12 years E3S0
    300 HP @ 2700 5.25 x 4.25 in 552 in³ 484.5 lbs
    IO-550-C 6 224 kW @ 2700 133.4 x 108.0 mm 9046 cm³ 224.0 kg 100/100LL 8.5:1 1900 hours or 12 years E3S0
    300 HP @ 2700 5.25 x 4.25 in 552 in³ 493.9 lbs
    IO-550-D, E, F, L 6 224 kW @ 2700 133.4 x 108.0 mm 9046 cm³ 211.8 kg 100/100LL 8.5:1 1900 hours or 12 years E3S0
    300 HP @ 2700 5.25 x 4.25 in 552 in³ 466.9 lbs
    IO-550-G 6 209 kW @ 2700 133.4 x 108.0 mm 9046 cm³ 231.0 kg 100/100LL 8.5:1 2200 hours or 12 years E3S0
    280 HP @ 2700 5.25 x 4.25 in 552 in³ 509.2 lbs
    IO-550-N, P, R 6 231 kW @ 2700 133.4 x 108.0 mm 9046 cm³ 226.4 kg 100/100LL 9.0:1 2200 hours or 12 years E3S0
    310 HP @ 2700 5.25 x 4.25 in 552 in³ 499.1 lbs
    TSIO-550-C 6 231 kW @ 2600 133.4 x 108.0 mm 9046 cm³ 301.8 kg 100/100LL 7.5:1 2200 hours or 12 years E5S0
    310 HP @ 2600 5.25 x 4.25 in 552 in³ 665.4 lbs
    TSIO-550-E 6 261 kW @ 2700 133.4 x 108.0 mm 9046 cm³ 307.0 kg 100/100LL 7.5:1 1800 hours or 12 years E5S0
    350 HP @ 2700 5.25 x 4.25 in 552 in³ 676.9 lbs
    TSIO-550-G 6 231 kW @ 2700 133.4 x 108.0 mm 9046 cm³ 251 kg 100/100LL 7.5:1 2200 hours or 12 years E5S0
    310 HP @ 2700 5.25 x 4.25 in 552 in³ 554 lbs
    TSIO-550-K, N 6 235 kW @ 2500 133.4 x 108.0 mm 9046 cm³ 285.0 kg 100/100L
    (UL94- K Only)
    7.5:1 2200 hours or 12 years E5S0
    315 HP @ 2500 5.25 x 4.25 in 552 in³ 628.4 lbs

    1. Engine rated power at sea level standard day inlet conditions (29.92 in Hg, 59°F, 0 water vapor) with maximum allowable cylinder head and oil temperatures with full rich (maximum) fuel flow. 

    2. Typical engine weight including all accessories. 

    3. See Maintenance Manual M-0 for details and applicability.




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