| No. | Class | F.M. Whyte | Gauge | Railroad Line | Location | Status | Builder Info | Notes |
|---|---|---|---|---|---|---|---|---|
| 25 | B-P-O | 0-4-0CA | 18" | Homestake Mining | Walton Wickett, Atherton, CA | stored | H.K. Porter #4762, 12/1910 | Privately owned. |
| 1793 | 2-6-0 | 18" | Meadows and Lake Kathleen | Michael Barth, Black Forest, CO | restoration | Oscar Coffman, 1949 | From Meadows and Lake Kathleen, Deadwood, OR. | |
| 401 | 0-4-0CA | 18" | Montana De Oro Mining | Pole Pick Mine, Blewett, WA | abandoned | EIMCO #401 | Abandoned in the 1980s. Exact location unknown. | |
| 5 | B-P-O | 0-4-0CA | 18" | Homestake Mining | Arizona Railway Museum, Chandler, AZ | display | H.K. Porter #3290, 12/1905 | |
| 17 | 401 | 0-4-0CA | 18" | Nevada Gold Mine | unknown, Colfax, CA | private | EIMCO | |
| 262 | 2-6-2 | 18" | Snug Harbor | NRHS Oregon Coast Chapter, Coos Bay, OR | display | Oscar Coffman, 1946 | From Malibu, CA then the Alton & Pacific Railroad, Eureka, CA, then David Stare. | |
| 7 (6) | B-P-O | 0-4-0CA | 18" | Homestake Mining | Underground Mining Museum, Creede, CO | display | H.K. Porter #3291, 12/1905 | Used to be unnumbered but known as #6. It is now numbered 7 (if this is the same locomotive). |
| 5x10 | 0-4-0CA | 18" | Mine, Smelter & Supply | Western Museum of Mining & Industry, Denver, CO | display | H.K. Porter #2048 | ||
| 1 | 2-6-2 | 18" | Venice Miniature Railway | unknown, El Monte, CA | stored | Johnson Machine Works (Los Angeles), 1905 | ||
| 4 | B-P-O | 0-4-0CA | 18" | Homestake Mining | Don Gleason, Eugene, OR | private operational | H.K. Porter #3289, 12/1905 | |
| 131 | 0-4-0CA | 18" | Don Gleason, Eugene, OR | private | Universal Dredge Mfg. | |||
| 57 | 0-4-0CA | 18" | near welding shop, Fort Worth, TX | display | H.K. Porter | From the Pate Museum of Transportation, Fort Worth, TX. | ||
| 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 | |
| 3 | B-P-O | 0-4-0CA | 18" | Homestake Mining | Bigham Knoll Campus, Jacksonville, OR | stored | H.K. Porter #3087, 11/1904 | Precise location in Bigham Knoll Campus, Jacksonville uncertain. |
| 9 | 401 | 0-4-0CA | 18" | Matt Shaugh, Jamestown, CA | unknown | EIMCO | Privately owned. | |
| 1 | A-C-A | 2-6-2 | 18" | Timnath Northwestern | John Blue Complex, Laurinburg, NC | operational | Alex Schneider and Roger Mitchell (Loveland CO) #1, 1984 | From the Swetsville Zoo, Timnath, CO. For sale. |
| 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 | |
| 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 | |
| 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. |
| 1 (22) | B-P-O | 0-4-4T | 18" | Anacortes Railway (Homestake Mining) | Terbeau Ranch & Thompson Railway, Lincoln, CA | operational | H.K. Porter #4322, 04/1909 | Converted from 0-4-0 compressed air by Tommy Thompson, Anacortes Maritime Heritage Center, Anacortes, WA. Previously ran in 1999. |
| 2 | 2-6-2 | 18" | BJWRR (Venice Miniature Railway) | Billy Jones Wildcat Railroad, Oak Meadow Park, Los Gatos, CA | operational | Johnson Machine Works (Los Angeles), 1905 | Received a new boiler in 2005. | |
| 5 | 4-6-2 | 18" | BJWRR | Billy Jones Wildcat Railroad, Oak Meadow Park, Los Gatos, CA | operational | Merrick Light Railway Equipment, 2013 | ||
| 0-4-0WT | 18" | John Knowles | Richard Farmer, Northridge, CA | operational | Hunslet Engine Co. #1404, 1920 | Named Gwen. From England. | ||
| 0-4-0CA | 18" | Homestake Mining | Inland NW Rail Museum, Reardan, WA | display | H.K. Porter | Unknown origin. | ||
| 28 | B-P-O | 0-4-0CA | 18" | Homestake Mining | Inland NW Rail Museum, Reardan, WA | display | H.K. Porter #4765, 12/1910 | From Spokane, WA. |
| 12 | B-P-O | 0-4-0CA | 18" | Homestake Mining | California State Railroad Museum, Sacramento, CA | stored | H.K. Porter #4085, 01/1908 | From Billy Jones Wildcat Railroad. |
| 0-4-0CA | 18" | Homestake Mining | Western Dakota Antique Club, Sturgis, SD | display | H.K. Porter | |||
| 401 | 0-4-0CA | 18" | Chamber of Commerce, Wallace, ID | display | EIMCO | |||
| 11 | 401 | 0-4-0CA | 18" | Socrates Mine | Roots of Motive Power, Willits, CA | display | EIMCO |
