Photographed at the Wentworth Street carbarns, 511 was built in 1927 by National Steel Car of Hamilton, Ontario. In all, 48 similar cars were built for the HSR between 1926 and 1928. These cars were a result of a franchise renewal with the City of Hamilton which stated certain improvements had to be made to the street railway. With an overall length of 40' 11" and a width of 8' 3", the cars weighed 37,000 lbs and seated 53 passengers.