The Pacemaker was introduced in March 1939 and is often considered to be the replacement for the Terraplane.

[1] It was built on a 118-inch wheelbase and powered by a 212 cubic inch six cylinder engine.

[2] It was the cheapest model in the Hudson range in each of the three years.

[2] The Pacemaker utilised a 119-inch wheelbase, five inches shorter than that used for all other contemporary Hudson models.

[2] The Pacemaker had the flathead 232 cubic inch 6-cylinder engine.