Commercial Drivers License (CDL) Tank Vehicle Endorsement

Requirements for CDL Tank Vehicle Endorsement.

In order to obtain a Tank Vehicle Endorsement, each applicant must have knowledge covering the following:

  • Causes, prevention, and effects of cargo surge on motor vehicle handling;
  • Proper braking procedures for the motor vehicle when it is empty, full and partially full;
  • Differences in handling of baffled/compartmental tank interiors versus non baffled motor vehicles;
  • Differences in tank vehicle type and construction;
  • Differences in cargo surge for liquids of varying product densities;
  • Effects of road grade and curvature on motor vehicle handling with filled, half filled and empty tanks;
  • Proper use of emergency systems; and
  • For drivers of DOT specification tank vehicles, retest and marking requirements.

For more complete details and information on obtaining a Tank Vehicle Endorsement please refer to 49 CFR 383.119

Source: 49 CFR 383

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