The Bosco Operating Milk Refrigerator Car No. 3672 was produced in 1959 and 1960 only and is one of the most sought after of these operating cars. Like the No. 3662, it was designed to work with a No. 6019 or USC section and unload the milk cans on the platform. This car came with seven YELLOW and BROWN painted milk cans that had "BOSCO" rubber-stamped lettering in RED on the side that were made for the sole use of this car.
The car is actual O Scale (1/48th) and it was built with a two-piece body that has an unpainted BROWN roof and heat-stamped lettering.
There are two variations: