The Bob McDorman Collection is going to be auctioned at Mecum, Nov 5th and 6th, no reserve

1927 Chevrolet SOHIO Tanker Truck (SOHIO =Standard Oil company of Ohio)

1920 Chevrolet SOHIO horse drawn gas wagon

1927 Chevrolet Wrecker 1 Ton

1929 Chevrolet Fire Truck 1 Ton

For the whole collection gallery, as it has "150 Cars including the World's Most Complete Corvette Collection"