Duplo Trailer Flatbed 4 x 8 Studs with Hitch Ends and 4 White Wheels

Reference

18520c02

Duplo Trailer Flatbed 4 x 8 Studs with Hitch Ends and 4 White Wheels (part 18520c02) is a LEGO element. CollectORbuild's catalog records it in 3 sets, including Alphabet Truck and Family House on Wheels.