Tonka Truck Whitewall 1-3/4 in. : 1960's trucks

Tonka 1960's plastic white-wall, 1-3/4 in outside and 1-1/4" ID., these were used starting in 1961 or 2.  Also see the wheel C2170711. Hard plastic material reproductions.  Look at the embossed Tonka the T line extends over the n.