| No. | Class | F.M. Whyte | Gauge | Railroad Line | Location | Status | Builder Info | Notes |
|---|---|---|---|---|---|---|---|---|
| 9 (616) | 0-6-0 | 4'-8½" | SMS Rail Lines (USATC) | SMS Rail Lines, Bridgeport, NJ | operational | Alco (Schenectady) #70402, 1942 | From the New Hope Railroad, New Hope, PA. Previously operated in the 1970s. Had the boiler fired up and the throttle opened with steam running through the cylinders in 2021. Restored back to operation on November 16, 2023. | |
| 643 (5) | B4a | 0-6-0 | 4'-8½" | PRR (Central Iron & Steel) | Williams Grove Historical Steam Engine Association, Dillsburg, PA | operational | PRR (Altoona) #2184, 1901 | Operated on the PRR from 1901-1917=16 years. Operated for a steel mill from 1917-1961=44 years. Operated for the WGHSEA from 1961-2026=65 years. Currently the only operational PRR steam locomotive. |
| 29 | S | 0-6-0 | 4'-8½" | D&NE (USATC) | Prairie Village, Madison, SD | operational | Lima #8381, 1944 | Operates one weekend per month during the summer. |
| 58 | 0-6-0 | 4'-8½" | W&W (AB&A) | Wilmington & Western Railroad, Marshallton, DE | operational | Baldwin #31899, 10/1907 | Named 'The Veteran's Locomotive'. Restored to operation in 1998. Taken out of service in November 2013. Returned to operation in November 2017. | |
| 3 (13) | 0-6-0 | 4'-8½" | Ohio Power (Beech Bottom Power) | Hocking Valley Scenic Railway, Nelsonville, OH | operational | Baldwin #53038, 1920 | ||
| 165 | S-34 | 0-6-0 | 4'-8½" | WP | Western Pacific Railroad Museum, Portola, CA | operational | Alco (Schenectady) #58787, 1919 | From the Pleasanton Fairgrounds, then PLA. Restored to operation on April 23, 2022. Debuted in excursion service on May 15, 2022. Currently the only operational WP steam locomotive. |
| 353 | B-4 | 0-6-0 | 4'-8½" | MSP&SSM | Western Minnesota Steam Threshers Reunion, Rollag, MN | operational | Alco (Brooks) #61760, 1920 | |
| 26 (3) | 0-6-0 | 4'-8½" | Baldwin (JI&S) | Steamtown National Historic Site, Scranton, PA | operational | Baldwin #60733, 1929 | From the Age of Steam Roundhouse, Sugarcreek, OH. Acquired in trade for CN 1551 in 1986. Restored to operation in the 1990s. Taken out of service in Dec 1999. Returned to operation in Dec 2015 just in time for the 2016 Railfest. Currently painted green. | |
| 924 | L-5 | 0-6-0 | 4'-8½" | NP (St. Paul & Duluth) | Northwest Railway Museum, Snoqualmie, WA | operational | Rogers #5425, 1899 | |
| 12 (1643) | A-7 | 0-6-0 | 4'-8½" | M&NF (Southern) | Age of Steam Roundhouse, Sugarcreek, OH | operational | Alco (Pittsburg) #37672, 09/1905 | Sold in 1952 to M&NF; used in freight and tourist train service; stored in a shed at Clearfield, KY; purchased by Jerry Jacobson in 2011. |