a fleet of Checker Y8s, the only photo I've seen of the Y8s in their era. 1940 Taxi strike, New York City

I wouldn't even know what these are except for that one Y8 that was made into a tow truck.

http://www.overdrive.fi/forum/threads/vanhoja-valokuvia-ameriikan-raitilta.267070/page-305#post-3068764