Cost of Allison Rolls Royce 250 Engine

I think Tradewinds is using an Allison c25 for their A36 conversion. What
are aftermarket prices on those?

The datapoints you gave are still very helpful, thanks.

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Will

rotor& "wing" wrote in
message .. .
the military version of the allison 250 is the t63. the t63a700 is equal
to the c18 (317 shp). all the parts are the same as the c18, and these
engines can be had for about $25,000. i have one with 18 hours since
overhaul that i have advertised for $26,000.

the t63a700 has a military dataplate, hence is not applicable to
certified aircraft. the oh-6a helicopter certified in the normal
category has an stc to use the t63.

the t63a720 is equal to the c20 allison (420shp). these engines
generally go for more money ($50-60,000) since the components
interchange with the c20.

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rotor&wing