Davenport   Geared Steam Locomotives

Geared Steam Locomotive Works

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Duplex - Rod / Gear Hybrid  

Fixed Frame - Rod / Gear Hybrid


 

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Davenport Locomotive Works was well known for the manufacture of rod type steam locomotives.    Lesser known were the small quantity of geared steam locomotives they produced.    The design of these geared locomotives was a unique combination of gearing  and conventional "rod type" steam locomotive technology.  The company claimed the locomotives had the tractive effort of a standard geared locomotive with speeds similar to conventional "rod" locomotives.

Two types were produced.  One was duplex with two independently powered and geared  trucks that swiveled with track curves.   The other was a fixed frame  "rod type" arrangement with supplemental gearing.     Both types utilized an oil tight, sealed gear-case, a feature also shared by the Heisler and Bell geared steam locomotives.    Each model type will be discussed in their own set of pages accessed by clicking either of the two images above.     


Manufacturer:

Davenport Locomotive Works - 2506 Rockingham Road,  Davenport, Iowa USA


Geographic Use:   China,  Mexico, Philippines, and United States


Quantities:

Total quantities actually built are unknown, but using the roster information we have,  there were at least :

            23  -    Fixed Frame type locomotives built

            5    -    Duplex type locomotives built


When Manufactured:

A comprehensive range of build dates is unknown,  but using roster information we can conservatively conclude that :  

        The Duplex type locomotives were built from:              May, 1912  through August, 1916

        The Fixed Frame type locomotives were built from:    November, 1919 through August, 1925


We are grateful to Roy Keeley and Alton Underwood for their contributions of research and materials on the Davenport Geared Steam Locomotives.   Without their contributions, these pages would not have been possible.     Roy provided much of the roster information.   Alton provided one of the company's marketing brochures from which most of the images and model information were derived.

 

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Page changed: October 22, 2015 06:48:00 AM