Hydrant Dispensers or Hydrant Servicers are designed for airports equipped with Hydrant Systems (underground pipelines).
They do not carry fuel capacity on board but are connected between the airport undergreound pipeline (hydrant) system and the aircraft to perform the refuelling operation.
These vehicles are mostly designed for large commercial airports.
They offer high flow rates up to 4.000 L/min (1.000 USG/min)
