This is a summary, listing every diesel locomotive from the SD40-series in preservation. This list includes the models SD40, SDP40, SD40A, SD40-2, SDP40F, SD40T-2, SD40-2W, SD40-2S.
| Photograph | Serial no. | Locomotive | Build date | Model | Former operators | Retire date | Disposition and location | Notes | References |
|---|---|---|---|---|---|---|---|---|---|
| 29025 | Illinois Central 6071 | July 1964 | SD40-2R | 2009 | On static display at the Monticello Railway Museum in Monticello, Illinois | [1] | |||
| 31556 | Southern Pacific 7362 | May 1966 | SD40R | June 29, 1998 | On static display at Mid-Plains Community College in North Platte, Nebraska | ||||
| 32043 | Atchison, Topeka and Santa Fe 5007 | April 1966 | SD40u | - | Western America Railroad Museum in Barstow, California | ||||
| 32044 | Atchison, Topeka and Santa Fe 5008 | 2009 | On static display at Marceline, Missouri | [2] [3] [4] | |||||
| | 32135 | Western Maryland 7471 | August 1966 | SD40 |
| - | Operational, Owned by Precision Locomotive Leasing (PNLX) | ||
| 34105 | CSX 4621 |
| - | Stored at the Western Maryland Scenic Railroad in Cumberland, Maryland | Privately owned, to be restored to original Western Maryland livery and number. | ||||
| 34759 | Louisville and Nashville 1230 | April 1969 |
| - | Under ownership of the Tennessee Valley Railroad Museum in Chattanooga, Tennessee | [5] | |||
| 37211 | Chesapeake and Ohio 7534 | March 1971 |
| 2017 | On static display at the C&O Historical Society in Clifton Forge, Virginia | [6] [7] | |||
| | 37355 | Southern 3170 | April 1971 |
| 2007, 2016 | On static display, awaiting restoration at the Tennessee Valley Railroad Museum in Chattanooga, Tennessee | [8] [9] | ||
| 38931 | Progress Rail 3066 | November 1971 | 2013 | On static display at the Coastal Pines Technical College in Waycross, Georgia |
| Photograph | Serial no. | Locomotive | Build date | Model | Former operators | Retire date | Disposition and location | Notes | References |
|---|---|---|---|---|---|---|---|---|---|
| | A2133 | Canadian Pacific 5500 | July 1966 | SD40 | Canadian Pacific Railway (CP) | 2001 | On static display at the Revelstoke Railway Museum in Revelstoke, British Columbia | CP class DRF-30a | [10] [11] |
| A2594 | Canadian National 5232 | November 1971 |
| - | Under ownership of the Vintage Locomotive Society in Winnipeg, Manitoba | CN class GF-30m |
| Photograph | Serial no. | Locomotive | Build date | Former operators | Retire date | Disposition and location | Notes | References |
|---|---|---|---|---|---|---|---|---|
| | 31597 | Great Northern 325 | May 1966 | May 2009 | Operational at the Minnesota Transportation Museum in Saint Paul, Minnesota | [12] [13] [14] |
| Photograph | Serial no. | Locomotive | Build date | Former operators | Retire date | Disposition and location | Notes | References |
|---|---|---|---|---|---|---|---|---|
| | 34947 | Illinois Central 6014 | May 1966 | - | Undergoing restoration to operating condition by Railexco in Eden Prairie, Minnesota. | [15] |
| Photograph | Serial no. | Locomotive | Build date | Model | Former operators | Retire date | Disposition and location | Notes | References |
|---|---|---|---|---|---|---|---|---|---|
| | 7396-27 | BUGX 156 | August 1972 | SD40-2 |
| August 1987 | Stored at the Oklahoma Railway Museum in Oklahoma City, Oklahoma, to be restored into its "Bicentennial" attire by Dieselmotive Company, Inc. (BUGX) | MILW class 30-ERS-6 | [16] [17] |
| | 74609-32 | Chicago and North Western 6847 | March 1974 | December 2008 | Operational at the Illinois Railway Museum in Union, Illinois | [18] [19] | |||
| 766032-10 | Chicago and North Western 6935 | November 1976 | February 27, 2001 | Stored at the West Chicago Training Center in West Chicago, Illinois | |||||
| 776086-24 | Norfolk and Western 6162 | May 1978 |
| June 2020 | Operational at the Kentucky Steam Heritage Corporation in Ravenna, Kentucky | Repainted to its original livery in 2023. | [20] [21] | ||
| | 786181-8 | Union Pacific 3105 | June 1979 | SD40-2C |
| December 2013 | On static display at the RailGiants Train Museum in Pomona, California | [19] [22] | |
| | 786269-9 | Union Pacific 9950 | April 1980 | SD40-2 | August 22, 2001 | On static display at the Western America Railroad Museum at Barstow, California | [19] [23] |
| Photograph | Serial no. | Locomotive | Build date | Model | Former operators | Retire date | Disposition and location | Notes | References |
|---|---|---|---|---|---|---|---|---|---|
| | A2576 | Canadian Pacific 5577 | March 1972 | SD40-2 | - | Operational on the New Hope Railroad in New Hope, Pennsylvania | CP class DRF-30s | ||
| | A3670 | Canadian Pacific 5903 | December 1978 | Canadian Pacific Railway (CP) | 2018 | On static display at ExpoRail in Saint-Constant, Quebec | [24] |
| Photograph | Serial no. | Locomotive | Build date | Model | Former operators | Retire date | Disposition and location | Notes | References |
|---|---|---|---|---|---|---|---|---|---|
| | 74611-65 | BNSF 6976 | October 1974 | SDP40F |
| 2002 | Operational at the Illinois Railway Museum in Union, Illinois | [25] [26] [27] |
| Photograph | Serial no. | Locomotive | Build date | Former operators | Retire date | Disposition and location | Notes | References |
|---|---|---|---|---|---|---|---|---|
| | 756046-16 | Denver and Rio Grande Western 5371 | August 1975 | December 5, 2008 | On static display at the Utah State Railroad Museum in Ogden, Utah | [28] | ||
| 776098-2 | Southern Pacific 5387 | August 1978 |
| May 22, 2001 | Operational, owned by the Midwest Overland Rail Preservation Society in Perry, Oklahoma | |||
| 786174-42 | Union Pacific 8755 | January 1979 |
| January 24, 2008 | Stored at the Fire Training Academy, at San Antonio, Texas | |||
| | 786264-4 | Denver and Rio Grande Western 5401 | March 1980 |
| April 12, 2010 | Awaiting cosmetic restoration by the Colorado Railroad Museum in Golden, Colorado | [29] |