Show original water wagon it seems that the phrase water wagon stinted from the large tanked wagons of the northwest used in the harvesting season to supply water for the steam engine which runs the threshing machine no one Is more in need ot of water to drink than laborers of the wheat fields working under the scorching sun the workers were prone to hop up on oil lie water vater wagon to quench their thirst enery cery time the agon came in tills this was obtained from a keg of water kept submerged in the tank to keep it cool |