2005 Washington Revised Code RCW 81.44.093: Cabooses — Trucks, riding qualities, wheels — Draft gears, minimum travel, minimum capacity.

The trucks shall provide riding qualities at least equal to those of freight type trucks modified with elliptical or additional coil springs or other means of equal or greater efficiency and shall be equipped with standard steel wheels or their equivalent. Draft gears shall have a minimum travel of two and one-half inches and a minimum capacity of eighteen thousand foot-pounds, and shall comply with Association of American Railroads Standard M-901 or its equivalent.

[1969 ex.s. c 116 § 3.]