1A:10BC rated fire extinguisher.  Many vehicles and material moving equipment may like this unit for its ease of installation and compact size.  DOT placarded vehicles utilize this extinguisher for the compliant rating.   Comes with bracket for mounting/securing.

Subpart H - Emergency equipment

§ 393.95 Emergency equipment on all power units.
Each truck, truck tractor, and bus (except those towed in driveaway-towaway operations) must be equipped as follows:
(a) Fire extinguishers—(1) Minimum ratings. (i) A power unit that is used to transport hazardous materials in a quantity that requires placarding (See §177.823 of this title) must be equipped with a fire extinguisher having an Underwriters Laboratories rating of 10 B:C or more.
(ii) A power unit that is not used to transport hazardous materials must be equipped with either:
(A) A fire extinguisher having an Underwriters Laboratories rating of 5 B:C or more.