Marx Plastic 4 Action Dump Truck, circa late 1950’s: boxed the toy is 10” long and 4” tall and 3-1/2” wide, unboxed the truck is 11-1/2” long.

The “4 Action Dump truck” is made of plastic but does have metal axles for the wheels and for the dump bed and frontend scoop. The truck is made of three colorful plastics, green (front scoop), blue (body of the truck) and yellow (dump bed). The truck also comes with a red body which is more common. 

The 4 actions the box refers to is (1) scooping, (2) loading, (3) hauling, (4) dumping.

The box is lithographed in red and shows the truck scooping a load and dumping it in the bed.