T63 may refer to:
*
Allison T63
The Allison Model 250, now known as the Rolls-Royce M250, (US military designations T63 and T703) is a highly successful turboshaft engine family, originally developed by the Allison Engine Company in the early 1960s. The Model 250 has been pro ...
, a turboshaft engine
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Estonian national road 63
* , a patrol boat of the Indian Navy
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T63 (classification), an
IPC para-athletics classification for athletes with limb differences
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