Subjgrp 80. Trucks, Frames and Equalizing System
- § 230.106 - Steam locomotive frame.
- § 230.107 - Tender frame and body.
- § 230.108 - Steam locomotive leading and trailing trucks.
- § 230.109 - Tender trucks.
- § 230.110 - Pilots.
- § 230.111 - Spring rigging.