Me. Rev. Stat. tit. 17, § 2402

Whoever willfully and maliciously takes or removes or attempts to take or remove the lubricating pads, the waste or packing, the friction bearing or the wedge from a journal box or boxes of a locomotive, engine, tender, carriage, coach, car, caboose or truck used or operated upon a railroad, whether operated by diesel or by steam engine or by electricity, shall be punished by a fine of not more than $500 or by imprisonment for not more than 3 years, or by both.