18 Pa.C.S. § 7365
(c) Definitions.— As used in this section the following words and phrases shall have the meanings given to them in this subsection:
"Trailer." Every vehicle, without motor power, designed to carry property or passengers or designed and used exclusively for living quarters wholly on its own structure, and to be drawn by a motor vehicle.
2011 Partial Repeal. Section 5(2) of Act 65 provided that section 7365 is repealed insofar as it relates to motorcycles.
(Dec. 7, 1979, P.L.487, No.103, eff. 60 days)
1979 Amendment. Act 103 added section 7365.