Here are some pictures dated 1951 of a Trailer, water, 180-gal, 20 cwt, 2-wh in service with the postwar Dutch army:
"1-tons 2-wielige watertankaanhangwagen 180 Gallons (800 liter) in het 1e Voertuigenpark."
Source:
https://nimh-beeldbank.defensie.nl/f...9-3b695e25e2e0