Builder photo of Construction Number 1270 showing right side of Escambia Railway 52 Ton Two Truck Heisler Geared Steam Locomotive Number 99 at Erie, Pennsylvania, February 1913. This company was controlled by the Alger-Sullivan Lumber Company and the locomotive was used for logging near Century, Florida. Photograph by Schauble.

Builder photo of Construction Number 1182 showing right side of Eureka Lumber Company 50 Ton Two Truck Heisler Geared Steam Locomotive Number 5 at Erie, Pennsylvania in January 1910. This locomotive was used in logging near Estabutchie, Mississippi. Photograph by Schauble.

Everett and Monte Cristo Railway steam locomotive 99 on the Monte Cristo Branch, Washington, circa 1915. E&MC 99, later Northern Pacific number 649, class B-2, 4-4-0, built for the Union Pacific by Schenectady, 1887. Purchased by the E&MC from the Union Pacific in 1902. Acquired by Northern Pacific when it took over the E&MC in 1915 and scrapped at South Tacoma in May 1919. J.M. Fredrickson collection. Other Subject Classes: steam locomotive, roster shot

Everett Logging Company steam locomotive number 2 at Tulalip, Washington, in July, 1915. It is a 38-ton class B geared Climax locomotive (construction number 962, built in August, 1909) Photo from J.M. Fredrickson Collection. Other Subject Classes: steam locomotive, geared locomotive.

The first Heisler geared locomotive built was a 15 ton, two truck model built for the F.A. Addington Lumber Company as Number 1. This was a 36 inch gauge locomotive and is seen here at Little Washington, North Carolina in July 1891. This was the only Heisler built by Dunkirk Engineering and was constructed in July 1891.

Builder photo of right side of Construction Number 1484 showing Falling Rock Cannel Coal Company 24 Ton, Two Truck Heisler Geared Steam Locomotive Number 36 at Erie, Pennsylvania, June 1923. This locomotive was used for coal mining near Falling Rock, West Virginia. Photograph by Schauble.

Builder photo of Construction Number 1333 showing right side of Fathauer and Hopkins 32 Ton Two Truck Heisler Geared Steam Locomotive Number 2 at Erie, Pennsylvania, April 1916. Information on where this locomotive operated has not been found but it probably was involved in logging in Arkansas. Photograph by Schauble.

Builder photo of Construction Number 1236 showing right side of F.B. Merrill Company 36 Ton Two Truck Heisler Geared Steam Locomotive Number 1 at Erie, Pennsylvania, September 1911. While the builders date is noted as September the photograph shows snow on the ground. This locomotive was used for logging near Merrill, Mississippi. Photograph by Schauble.

Feather River Railway steam locomotive number 2 derelict at Oroville, California, on June 23, 1974. Feather River Railway number 2, a three-truck, 103-ton, standard-gauge geared Shay locomotive was built by Lima in 1922. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive, geared locomotive .

Feather River Railway steam locomotive number 2 derelict at Oroville, California, on June 23, 1974. Feather River Railway number 2, a three-truck, 103-ton, standard-gauge geared Shay locomotive was built by Lima in 1922. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive, geared locomotive .