75AX .75 Glow Engine w/Muffler by O.S.

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This is the OS Engines 75AX .75 ABL glow engine, with 61A carburetor and included OS E4040 Muffler.  The new power source for .60 sized aircraft!


  • Fits the same mount and bolt pattern as the 61FX.
  • The angular head design looks great and significantly increases surface area for better cooling.
  • Includes the new "Power Box" muffler, designed with more volume for increased power while still being very compact.
  • A diagonally-placed needle means no remote needle valve is needed.


  • Displacement: 0.75 cu in (12.3 cc)
  • Bore: 1.02 in (25.8 mm)
  • Stroke: 0.93 in (23.5 mm)
  • Practical rpm: 2,000-16,000
  • Output: 2.4 hp @ 15,000 rpm
  • Weight: 19.4 oz (550 g)
  • Recommended Props: 14x6, 14x8, 15x7

This product was added to our catalog on February 11, 2009.