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| No. | Class | F.M. Whyte | Gauge | Railroad Line | Location | Status | Builder Info | Notes |
|---|---|---|---|---|---|---|---|---|
| 1 | 0-4-0T | 36" | Branch Mint | Chief Crazy Horse Memorial Center, Custer, SD | display | H.K. Porter #3418, 1906 | Named Natalie. | |
| 1 | 4/8 C | 0-4-0T | 22" | Homestake Mining | Adams Memorial Museum, Deadwood, SD | display | Baldwin #4669, 1879 | Named J.B. Haggin. Displayed at the museum since 1932. |
| 30 | 0-6-0 | 4'-8½" | D&NE | Black Hills Central Railroad, Hill City, SD | display | Alco #62894 | Tender only. | |
| 7 | 2-6-2 | 4'-8½" | Prescott & Northwestern (Caddo & Choctaw) | Black Hills Central Railroad, Hill City, SD | display | Baldwin #51771, 1919 | Named The General Custer. | |
| 103 | 2-6-2T | 4'-8½" | PT | Black Hills Central Railroad, Hill City, SD | stored | Baldwin #55482, 1922 | Used as a spare parts source for sister PT locomotive 104. | |
| 104 | 2-6-2T | 4'-8½" | PT | Black Hills Central Railroad, Hill City, SD | operational | Baldwin #59137, 1926 | ||
| 110 | 2-6-6-2T | 4'-8½" | Rayonier (Weyerhaeuser) | Black Hills Central Railroad, Hill City, SD | operational | Baldwin #60561, 1928 | This locomotive employs a unique, split water tank which is unlike most saddle-tanks that entirely straddle the boiler. | |
| 108 | 2-6-6-2T | 4'-8½" | Weyerhaeuser | Black Hills Central Railroad, Hill City, SD | operational | Baldwin #59087, 1926 | Restoration From Snoqualmie, WA. Restored to operation in March 2020. Debuted in excursion service in June 2020. | |
| 30 | B-P-O | 0-4-0CA | 18" | Homestake Mining | Wade's Gold Mill, Hill City, SD | display | H.K. Porter #5673, 07/1915 | |
| 29 | B-P-O | 0-4-0CA | 18" | Homestake Mining | Dakotaland Museum, Huron, SD | display | H.K. Porter #5472, 11/1913 | |
| 0-4-0T | 36" | South Dakota State Cement | Dakotaland Museum, Huron, SD | display | H.K. Porter #6807, 1924 | |||
| 7 | B-P-O | 0-4-0CA | 18" | Homestake Mining | Black Hills Mining Museum, Lead, SD | display | H.K. Porter #3292, 12/1905 | |
| 14 | B-P-O | 0-4-0CA | 18" | Homestake Mining | Black Hills Mining Museum, Lead, SD | display | H.K. Porter #4163, 08/1908 | |
| 9 | B-P-O | 0-4-0CA | 22" | Homestake Mining | Black Hills Mining Museum, Lead, SD | display | H.K. Porter #3847, 04/1907 | |
| 27 | B-P-O | 0-4-0CA | 18" | Homestake Mining | Gold Run Park, Lead, SD | display | H.K. Porter #4764, 12/1910 | |
| 2 | B-P-O | 0-4-0CA | 18" | Homestake Mining | Mine Headframe, Lead, SD | display | H.K. Porter #2968, 12/1903 | Not accessible to the public. |
| 35 | B-P-O | 0-4-0CA | 18" | Homestake Mining | park, Lead, SD | display | H.K. Porter #7201, 04/1931 | |
| 1A | B-PP-I | 0-4-0CA | 22" | Homestake Mining | Visitor's Center, Lead, SD | display | H.K. Porter #7090, 04/1928 | 3 (two tandem on right-hand side) cylinders. |
| 24 | B-P-O | 0-4-0CA | 18" | Homestake Mining | Walt Green Park / Mickelson Trail Trailhead, Lead, SD | display | H.K. Porter #4324, 04/1909 | Previously displayed at Storybook Island, Rapid City. |
| 7 | 0-4-0T | 24" | Hibernia Ag | Prairie Village, Madison, SD | display | Orenstein & Koppel (Berlin) #11345, 1927 | From Mankato, MN. Undergoing a slow restoration inside the roundhouse. | |
| 11 | 0-4-0T | 4'-8½" | NMIM | Prairie Village, Madison, SD | operational | Alco (Cooke) #65274, 1924 | ||
| 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. |
| 7 (2267) | 25 ton | 0-4-0T | 4'-8½" | GWSCX (Grand Rapids Gravel) | 1880's Town, Murdo, SD | display | Davenport Locomotive Works #1871, 1921 | From Bayard, NE. |
| 0-4-0CA | 18" | Homestake Mining | Western Dakota Antique Club, Sturgis, SD | display | H.K. Porter | |||
| 0-4-0T | 4'-8½" | SD Cement Plant | Western Dakota Antique Club, Sturgis, SD | display | H.K. Porter #4979, 1911 | From Storybook Island, Rapid City, SD. Now located east of WDAC. Restoration to operating condition is being considered. |