O.S. Engines .95AX Ring 61C E4040 OSM19120

O.S. Engines

Item # OSM19120
$479.99 $279.99
(You save $200.00)
Status: In Stock
Engine Size:
.76 TO 1.2 - AIR
Fits Model:
Great Planes PT-17 Military
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Top Flite T-34B
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Great Planes Super Stearman
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O.S. Engines .95AX Ring 61C E4040 OSM19120

More information about O.S. Engines .95AX Ring 61C E4040 OSM19120

O.S. Max 95 AX ABL Aircraft engine with muffler has the same mounting dimensions as the O.S. Max .75FX. Power Box muffler design provides more volume for increased power in a very compact shape. Angular head design offers increased surface area for better cooling. Ball bearing-supported crankshaft. 61C carburetor with diagonally placed needle valve eliminating remote needle valve placement. Two year limited warranty.


Aircraft blend fuel containing 5%-20% Nitromethane with at least 18% lubricant
Propeller: 14x8, 15x6-8, 16x6-8
Glow starter and field equipment

Displacement: 0.949 cu in (15.55cc)
Bore: 1.091" (27.7mm)
Stroke: 1.016" (25.8mm)
Practical RPM: 2,000-16,000 RPM
Power Output: 2.9 PS, 2.86 HP/15,000 RPM
Weight: Engine, 20oz (567g)
Weight: Muffler, 6.28oz (178g)
Recommended Props: 14x8, 15x6-8, 16x6-8
Crankshaft thread size: 5/16-24
Distance from center of engine to drive hub: 2.6" (66.6mm)
Height from crankcase bottom to top of cylinder head: 4" (102mm)
Height/crankshaft center to top of cylinder head: 3.2" (81.3mm)
Width including mounting tabs: 2.4" (61mm)
Width below mounting tabs: 1.7" (42.6mm)
Width between mounting holes same side: 0.98" (25mm)
Width between mounting holes opposite side: 2" (52mm)
Diameter of muffler body: 1.8" (45mm)
Distance from Center of Engine to Exhaust Outlet: 4.4" (112mm)
Angle of muffler in relation to engine: 4?
High Speed Needle: 1.5 - 2 turns out from fully closed
Low Speed Needle: 2mm gap between the needle and spray bar at full throttle (looking down the neck of the carb)