Plus three pictures dated 1955 of the same type of trailer, modified to use the type of wheel with 9.00-16 tyre as used on post-war trailers of Dutch manufacture:
"Een 1-tons 2-wielige watertankaanhangwagen 180 Gallons (800 liter)."
Source:
https://nimh-beeldbank.defensie.nl/f...0-5b68576011f9
For good measure, a photo of a 900 litre water tank trailer built by Pennock (similar ones were built by DAF also) with the same wheels as the modified trailer above:

Source:
https://nimh-beeldbank.defensie.nl/f...2-1212ab146671