It was founded as Brockway Carriage Works in 1875 by William Brockway .
Brockway Motor Company was a builder of custom heavy - duty trucks in Cortland , New York , from 1912 to 1977 .
Brockway Motor Company was founded as Brockway Carriage Works in 1875 by William Brockway .
Brockway Motor Company was a builder of custom heavy - duty trucks in Cortland , New York , from 1912 to 1977 .