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Alco Diesel 442 Engine Turns 50

The locomotive which had faithfully led all of the Austin Steam Train's weekend excursions since 2000 will turn fifty years old on June 26, 2010.
Press Release






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Steam Engine Southern Pacific 786 Restoration Update

Fall 2011


Work on 786 has now reached the re-assembly stage.

The 786's cylinder saddle, the massive two-piece casting that holds up the front of the boiler and includes the engine's cylinders and steam chests, has been mounted on the frame and its alignment verified. The cylinder saddle will be permanently mounted with custom-made frame keys and tapered bolts.

Machining operations on the cylinder saddle were completed last March at Steam Operations Corporation in a shop in Muscle Shoals, Ala. The newly made castings, each weighing about 13,000 pounds, were shipped to Alabama in March, 2006, and actual machining work began in May, 2007. Replacing 786's original cylinder saddle, the castings were made by the Fairmount Foundry in Hamburg, Pa.

Restoration work on the boiler by Historic Machinery Services in Alabama is complete. All of the thin spots have been replaced with new steel plates, new tubes and flues have been fabricated and installed, and a new smoke box bottom has been installed. The completed boiler has been pressure ("hydro") tested to 250 psi, 25 per cent over working pressure. It is currently in storage and is ready to be installed on the frame and new cylinder castings.

The engine's 63-inch driving wheels have been successfully turned in the shops of the Tennessee Valley Railroad and eight new steel tires for the drivers have been fabricated and installed. The drivers are complete and in storage, ready to be installed under the frame.

The air compressor, cold-water pump and dynamo have been completely rebuilt by Backshop Enterprises in Colorado. The hot-water pump and the power reverse remain to be overhauled. New driving boxes have been cast and machined, and they will have new crown brass and thrust bearings installed before they are placed into the frame. Read more about the history and restoration of 786 at "Where is the Steam Locomotive" or look at the work in progress at the Photo Gallery.

Read more about the restoration at "Where is the Steam Locomotive" or look at the work in progress at the Photo Gallery.

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Photo Gallery of SP 786 Restoration Work Now Online