Regulations last checked for updates: Oct 02, 2025

Title 49 - Transportation last revised: Sep 29, 2025

GENERAL REQUIREMENTS
BRAKE SYSTEM
DRAFT SYSTEM
SUSPENSION SYSTEM
ELECTRICAL SYSTEM
INTERNAL COMBUSTION EQUIPMENT
STEAM GENERATORS
CABS AND CAB EQUIPMENT
source: 45 FR 21109, Mar. 31, 1980, unless otherwise noted.