
A bowser is a tanker of various kinds, named after
Sylvanus Bowser who is credited with inventing the automobile fuel pump.
Water
The term bowser is used by water companies in the
United Kingdom
The United Kingdom of Great Britain and Northern Ireland, commonly known as the United Kingdom (UK) or Britain, is a country in Northwestern Europe, off the coast of European mainland, the continental mainland. It comprises England, Scotlan ...
to refer to mobile
water tank
A water tank is a container for Water storage, storing water, for many applications, drinking water, irrigation, fire suppression, farming, both for plants and livestock, chemical manufacturing, food preparation as well as many other uses. Water ...
s deployed to distribute
fresh water
Fresh water or freshwater is any naturally occurring liquid or frozen water containing low concentrations of dissolved salt (chemistry), salts and other total dissolved solids. The term excludes seawater and brackish water, but it does include ...
in emergencies where the normal system of piped distribution has broken down or is insufficient.
Fuel

Bowser also describes a
fuel
A fuel is any material that can be made to react with other substances so that it releases energy as thermal energy or to be used for work (physics), work. The concept was originally applied solely to those materials capable of releasing chem ...
tanker used to deliver fuel to
aircraft
An aircraft ( aircraft) is a vehicle that is able to flight, fly by gaining support from the Atmosphere of Earth, air. It counters the force of gravity by using either Buoyancy, static lift or the Lift (force), dynamic lift of an airfoil, or, i ...
at
airport
An airport is an aerodrome with extended facilities, mostly for commercial Aviation, air transport. They usually consist of a landing area, which comprises an aerially accessible open space including at least one operationally active surf ...
s or airfields.
The term also describes refuelling boats that supply seaplanes, army fuel tankers used for combat resupply, and vehicles that fill heavy construction equipment such as hydraulic
excavator
Excavators are heavy equipment (construction), heavy construction equipment primarily consisting of a backhoe, boom, dipper (or stick), Bucket (machine part), bucket, and cab on a rotating platform known as the "house".
The modern excavator's ...
s and
bulldozer
A bulldozer or dozer (also called a crawler) is a large tractor equipped with a metal #Blade, blade at the front for pushing material (soil, sand, snow, rubble, or rock) during construction work. It travels most commonly on continuous tracks, ...
s. Even aircraft have been described as "flying fuel bowsers" when configured to ferry fuel to support a forward operation.
The related verb, "bowsing", is used in the fuel distribution industry to refer to the practice of customers of one fuel distributor to be able to collect fuel from a depot (including retail stations) of a second fuel distributor, at the prices of the first distributor. As such, it is a method of mutual distribution, improving fuel access for customers while reducing the main costs of each distributor. Being a commercial service, it normally applies to
DERV (Diesel Engined Road Vehicle ]) rather than
petrol
Gasoline (North American English) or petrol ( Commonwealth English) is a petrochemical product characterized as a transparent, yellowish, and flammable liquid normally used as a fuel for spark-ignited internal combustion engines. When formul ...
(
gasoline
Gasoline ( North American English) or petrol ( Commonwealth English) is a petrochemical product characterized as a transparent, yellowish, and flammable liquid normally used as a fuel for spark-ignited internal combustion engines. When for ...
), but can also include new energy solutions, for example, a Hydrogen Bowser which can be used to refuel gaseous
hydrogen
Hydrogen is a chemical element; it has chemical symbol, symbol H and atomic number 1. It is the lightest and abundance of the chemical elements, most abundant chemical element in the universe, constituting about 75% of all baryon, normal matter ...
to mobile plant and machinery.
Other fluids
At the former nuclear research facility at
Dounreay
Dounreay (; ) is a small settlement and the site of two large nuclear establishments on the north coast of Caithness
Caithness (; ; ) is a Shires of Scotland, historic county, registration county and Lieutenancy areas of Scotland, lieutena ...
in the far north of
Scotland
Scotland is a Countries of the United Kingdom, country that is part of the United Kingdom. It contains nearly one-third of the United Kingdom's land area, consisting of the northern part of the island of Great Britain and more than 790 adjac ...
, the word bowser is used to describe various moveable (but not wheeled)
vessels that contain
alkali metals
The alkali metals consist of the chemical elements lithium (Li), sodium (Na), potassium (K),The symbols Na and K for sodium and potassium are derived from their Latin names, ''natrium'' and ''kalium''; these are still the origins of the names ...
(
sodium
Sodium is a chemical element; it has Symbol (chemistry), symbol Na (from Neo-Latin ) and atomic number 11. It is a soft, silvery-white, highly reactive metal. Sodium is an alkali metal, being in group 1 element, group 1 of the peri ...
or
NaK), protected from oxidation by an
inert gas
An inert gas is a gas that does not readily undergo chemical reactions with other chemical substances and therefore does not readily form chemical compounds. Though inert gases have a variety of applications, they are generally used to prevent u ...
. The word may also have been in use at the Atomic Energy Authority's (now UKAEA's) southern sites.
References
{{Portal, Transport
Trucks
Liquid containers