Photo of right side of Electric Shovel Coal Corporation 42 Ton, Two Truck Heisler Geared Steam Locomotive Number 6 at Clinton, Indiana. This locomotive is seen with one of the large shovels used for mining coal near Clinton, Indiana. Photograph by Schauble.

Builders photo showing right side of Electric Shovel Coal Corporation 42 Ton, Two Truck Heisler Geared Steam Locomotive Number 7 at Erie, Pennsylvania, 1928. This locomotive was used for mining coal near Clinton, Indiana. Photograph by Schauble.

Builders photo showing right side of Electric Shovel Coal Corporation 42 Ton, Two Truck Heisler Geared Steam Locomotive Number 8 at Erie, Pennsylvania, 1928. This locomotive was used for mining coal near Clinton, Indiana. Photograph by Schauble.

Builders photo showing right side of Electric Shovel Coal Corporation 42 Ton, Two Truck Heisler Geared Steam Locomotive Number 9 at Erie, Pennsylvania, 1928. This locomotive was used for mining coal near Clinton, Indiana. Photograph by Schauble.

Electo-Motive Division (EMD) FT demonstrator locomotive during tests with Dynamometer car number 276 at Lake Easton, Washington, in March 1940. J.M. Fredrickson collection. Other Subject Classes: dynamometer car, diesel locomotive, freight train.

Electo-Motive Division (EMD) FT demonstrator locomotive during tests with Dynamometer car number 276 at New Stampede, Washington, in March 1940. J.M. Fredrickson collection. Other Subject Classes: dynamometer car, diesel locomotive, freight train.

New Electro-Motive Division diesel locomotive number EMD 754 leads a Northern Pacific test train of new passenger cars at Allentown, Washington, on November 4, 1946. 4500-hp model F3 locomotive type soon to replace steam on North Coast Limited, trailed by dynamometer car to measure engine's performance, new streamlined coaches, conventional consist trailing. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, test train, dynamometer car, passenger car

Diesel locomotive EMDX 2000, Class SD40-3MPR at Wenatchee, Washington, August 1995, an EMD demonstrator on the Union Pacific Railroad. Other Subject Classes: Locomotive-Diesel

Diesel locomotive EMDX 2000, Class SD40-3MPR at Wenatchee, Washington, August 1995, an EMD demonstrator on the Union Pacific Railroad. Other Subject Classes: Locomotive-Diesel

Diesel locomotive EMDX 204, Class GP40 at Wenatchee, Washington, undated. Other Subject Classes: Locomotive-Diesel

Diesel locomotive EMDX 206, Class GP40 at Wenatchee, Washington, August 1995. Other Subject Classes: Locomotive-Diesel

Diesel locomotive EMDX 429, Class SD40-2 at Wenatchee, Washington, undated, a former Conrail locomotive. Other Subject Classes: Locomotive-Diesel

Diesel locomotive EMDX 6047, Class SD40-2 at Wenatchee, Washington, undated, a former Illinois Central Gulf locomotive, originally Rock Island. Other Subject Classes: Locomotive-Diesel

Diesel locomotive EMDX 6047, Class SD40-2 at Wenatchee, Washington, undated. Other Subject Classes: Locomotive-Diesel

Diesel locomotive EMDX 6302, Class SD40-2 at Wenatchee, Washington, undated. Other Subject Classes: Locomotive-Diesel

Diesel locomotive EMDX 6302, Class SD40-2 at Wenatchee, Washington, undated. Other Subject Classes: Locomotive-Diesel

Diesel locomotive EMDX 6303, Class SD40-2 at Wenatchee, Washington, undated. Other Subject Classes: Locomotive-Diesel

Diesel locomotive EMDX 6305, Class SD40-2 at Wenatchee, Washington, undated. Other Subject Classes: Locomotive-Diesel

Diesel locomotive EMDX 6306, Class SD40-2 at Wenatchee, Washington, undated. Other Subject Classes: Locomotive-Diesel

Diesel locomotive EMDX 6314, Class SD40-2 at Wenatchee, Washington, undated. Other Subject Classes: Locomotive-Diesel

Diesel locomotive EMDX 6345, Class SD40-2 at Wenatchee, Washington, November 15, 1994, formerly owned by the Milwaukee Road and then the Soo Line. Other Subject Classes: Locomotive-Diesel

Diesel locomotive EMDX 6345, Class SD40-2 at Wenatchee, Washington, November 28, 1995, formerly owned by the Milwaukee Road and then the Soo Line. Other Subject Classes: Locomotive-Diesel

Diesel locomotive EMDX 6347, Class SD40-2 at Wenatchee, Washington, undated. Other Subject Classes: Locomotive-Diesel

Diesel locomotive EMDX 6381, Class SD40-2 at Skykomish, Washington, August 1995, formerly owned by the Milwaukee Road and then the Soo Line, leased to the Burlington Northern in August 1995. Other Subject Classes: Locomotive-Diesel

Diesel locomotive EMDX 6381, Class SD40-2 at Skykomish, Washington, August 1995, formerly owned by the Milwaukee Road and then the Soo Line, leased to the Burlington Northern in August 1995. Other Subject Classes: Locomotive-Diesel

Diesel locomotive EMDX 6381, Class SD40-2 at Wenatchee, Washington, undated. Other Subject Classes: Locomotive-Diesel

Diesel locomotive EMDX 6381, Class SD40-2 at Wenatchee, Washington, undated. Other Subject Classes: Locomotive-Diesel

Diesel locomotive EMDX 6403, Class SD40 at Wenatchee, Washington, undated. Other Subject Classes: Locomotive-Diesel

Diesel locomotive EMDX 6403, Class SD40 at Wenatchee, Washington, undated. Other Subject Classes: Locomotive-Diesel

Diesel locomotive EMDX 6403, Class SD40 at Wenatchee, Washington, undated. Other Subject Classes: Locomotive-Diesel