Cement mixer appeared in following series.
Mighty Tonka Line
Appeared 1977 originally, The orginal model used the (Frist Generation Cab) and featured 6 wheels, Three per each side. and most commonly found in a green color. around 1978/1979 it switched to the (Second Generation Cab) but it kept the 6 wheel feature.
Around 1983 the (Forth Generation Cab) Was introduced removing headlights and only having a grille on front. The six wheel feature was also removed, However it still kept all the metal parts.
After Hasbro bought the company (Tonka)
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