In the 1990s Rail Equipment Division at Tooele Army Depot rebuilt most 80-tonners to have Cummins turbo-charged 470 hp (350 kW) 6-cylinder engines.

The rebuild included a small cosmetic change resulting in end radiator screens and dual headlights.

The D-1 was acquired in 2003 and was the mainstay of the fleet while the railroad's two steam locomotives were undergoing rebuild.

Former Center for Transportation and Commerce #1983, built in 1958, is in regular use for weekend trips at the Galveston Railroad Museum.

Steam Into History operates an 80 Tonner, Northern Central Railway 32(ex US Army B-1685) regularly on their passenger trains.