Slack Adjuster for Freight Railcar Brakes from Mexico

Automatic slack adjuster that maintains optimal brake stroke in freight railcars. Prevents over-travel and ensures consistent braking performance. This is a brake part for freight railcars, which are not self-propelled passenger vehicles, but the tariff item specifically covers parts for self-propelled passenger vehicles; however, the description mentions 'for use in the repair of tramway vehicles' and 'parts for use in the manufacture of brake systems for subway and rapid transit cars', so this candidate does not fit.