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Road Trailer Identification Chart*

DOT406, TC406, SCT-306 Non-pressure Liquid Tank (MC306, TC306). Rear and side view of a non-pressure liquid tank trailer. Guide 131.
MC338, TC338, SCT-338 Cryogenic Liquid Tank (TC341, CGA341). Rear and side view of a cryogenic liquid tank trailer. Guide 117.
DOT407, TC407, SCT-307 Low Pressure Chemical Tank (MC307, TC307). Rear and side view of a low pressure chemical tank trailer. Guide 137.
Compressed Gas/Tube Trailer. Rear and side view of a compressed gas tube trailer. Guide 117.
DOT412, TC412, SCT-312 Corrosive Liquid Tank (MC312, TC312). Rear and side view of a corrosive liquid tank trailer. Guide 137.
Dry Bulk Cargo Trailer. Rear and side view of a dry bulk cargo trailer. Guide 134.
MC331, TC331, SCT-331 High Pressure Tank. Rear and side view of a high pressure tank trailer. Guide 117.
Mixed Cargo. Rear and side view of a mixed cargo trailer. Guide 111.
DOT407, TC407, DOT412, TC412 Vacuum Loaded Tank (TC350). Rear and side view of a vacuum loaded tank trailer. Guide 137.
Intermodal Tank. Side view of an intermodal tank. Guide 117.

CAUTION: This chart depicts only the most general shapes of road trailers. Emergency response personnel must be aware that there are many variations of road trailers, not illustrated above, that are used for shipping chemical products. The suggested guides are for the most hazardous products that may be transported in these trailer types.

* The recommended guides should be considered as last resort if the material cannot be identified by any other means.

Date modified:
2012-08-08