Semler’s DEF Fleet Dispenser is a high quality, cost effective solution for dispensing diesel exhaust fluid at fleet fueling facilities. The unit is designed to protect product purity and maintain ideal temperatures of the fluid at indoor or outdoor locations. The DEF dispenser is compatible with Semler’s DEF Modular Mini-Bulk System and any other DEF container vessel on the market including: mini-bulks, above or below ground storage tanks, drums, and totes. As with all Semler products, The DEF Fleet Dispenser comes with a variety of options to meet all diesel exhaust fluid dispensing needs. These options include but are not limited to suction models, pulse output, fuel management integration, and card-lock accessibility.


-UV and rust resistant carbon steel, powder coated enclosure

-Insulated for hot to cold climates

-Resettable electronic gallon display

-Spring rewind hose reel with four-way roller assembly and 25’ reinforced DEF hose

-Stainless steel automatic dispensing nozzle with swivel

-20” 1 micron filter assembly

-Lockable spring loaded door and removable service panel

-Unit can control submersible DEF pumps with a built in on/off switch and automatic shut off

-All equipment meets ISO 22241-3 material standards for DEF compatibility

Download the Semler DEF Dispenser Brochure Here