A pumping unit for pumping liquid, especially ale or lager beer, from a vehicle to tanks in a cellar as demountable. The unit comprises as components a pump (10), a motor driven reeled hose (11) and a delivery meter (16). The components are mounted and arranged on a supporting framework to form an integral movable unit suitable for installation on a flat platform vehicle. The framework has a load supporting base (2), intermediate connecting means (1) and a load supporting roof (7) (8) comprising pockets to receive the forks of a fork lift truck to enable the unit to be transported from place to place. The unit is also provided with a rack (39) and clamps (40) for clamping several carbon dioxide containing cylinders (17) within the unit, the carbon dioxide gas for aiding in pumping the liquid.