The Euclid took the place in the Doepke line-up of the popular Wooldridge Dump Truck. Unlike the Wooldridge, the cab unit could be uncoupled from the trailer.
It was made to 1:16 scale and there were virtually no significant changes, except color, throughout its production run from 1949 through 1956.
A versatile, well-made construction toy.

Version #1 – Orange
One view of the orange Euclid Dump Truck.
The first version of this toy in 1949 was orange, as is this 1950 edition.
It is uncertain which year the orange color was discontinued.
The “Model Toys” decal appeared only in one place on the Euclid.
The phrase “authorized by” was not used in this case, but the Pioneer symbol was well known.
Looks like the price was changed from $12.95 to $13.95.
The box dates this toy to 1950.
Version #2 – Olive Green
One view of the olive green Euclid.
The olive green color was not popular with parents who were leery of war associations.
It is not known for certain what years the Euclid was painted olive green.
The presence of Fires tone turf tires indicates this toy was produced in 1953 or later.
Although turf tires were mounted on the back axle, the front powered axle used lug tires.
Version #3 – Forest Green
One view of the forest green Euclid.
Forest green was considered more “politically correct” and made for a very attractive toy.
It is believed this color was introduced in 1953 or later.
The decal remained the same as in previous years.
