| No. | Class | F.M. Whyte | Gauge | Railroad Line | Location | Status | Builder Info | Notes |
|---|---|---|---|---|---|---|---|---|
| 3 | 0-4-0ST | 4'-8½" | HELC | Bob Yost, Anchorage, AK | restoration | H.K. Porter #5939, 1916 | From Craig Adams farm, Medford, OR. Privately owned. Current condition is unknown. | |
| 7 | 0-4-0T | 20" | ACC (Coronado RR) | Arizona Railway Museum, Chandler, AZ | restoration | H.K. Porter #1651, 1896 | Named Rattlesnake. From Clifton, AZ, then Safford, AZ. The locomotive is currently dismantled undergoing a slow restoration for display. | |
| 9 | B-S-I | 0-4-0 | 4'-8½" | Handy Dandy (US Navy) | Handy Dandy Railroad, Denton, NC | restoration | H.K. Porter #7372, 1942 | Taken out of service in July 2019. Requires a new boiler. Restoration back to operation began in January 2024. |
| 97 (5050) | 0-6-0T | 4'-8½" | Georgia Power | Southeastern Railway Museum, Duluth, GA | restoration | H.K. Porter #7593, 07/1943 | Named Plant McDonough. Cosmetic restoration only. | |
| 6 | 0-4-2T | 4'-8½" | Coronet Phosphate | McHugh Locomotive & Equipment, Fairless Hills, PA | restoration | H.K. Porter #5284, 05/1913 | From North Judson, IN, then Strasburg, CO. | |
| 5002 (2) | 0-6-0T | 4'-8½" | USATC (EJ Lavino & Co) | US Army Transportation Museum, Ft. Eustis, VA | restoration | H.K. Porter #7462, 08/1942 | Used at Tombstone Junction RR then retired almost immediately after proving to be too light. To Kentucky Railway Museum, then Colebrookdale Railroad, Boyerston, PA, then Baraboo, WI. | |
| 17 (33) | B-S-I | 2-4-0 | 36" | ET&WNC (Carbon Limestone) | Doe River Gorge, Hampton, TN | restoration | H.K. Porter #7347 | Propane; From Arthur Seifurt, Hilliard, FL then Huff & Puff, Memphis, TN, Then to Fayette, MS, then #43 Dry Gulch USA, Adair, OK. Then to Doe River Gorge. Awaiting a new boiler. |
| 5 | 2-4-2 | 4'-8½" | CO&E | St. Louis Iron Mountain & Southern Railway, Jackson, MO | restoration | H.K. Porter #7995, 1946 | Restoration to operation efforts began in 2019. The trackage between Jackson and Gordonville may also be restored. | |
| 65 | 0-6-0ST | 4'-8½" | WK&S (SHW&P) | WK&S Railroad, Kempton, PA | restoration | H.K. Porter #7161, 1930 | Taken out of service in 2019. Undergoing mandated 1,472-day inspection and overhaul. | |
| 3 | 0-4-0T | 36" | Detroit Yukon Mining | Tom Gazi, Los Angeles, CA | private restoration | H.K. Porter #3024, 04/1904 | From the Dawson Creek area of the Yukon Territory. Incorrectly identified as Northern Light, Power, Coal & Transportation. Current location unknown. May be somewhere in Los Angeles. | |
| 5 (55) | 2-8-2 | 4'-8½" | Port of Grays Harbor (Carlton & Coast) | Mineral Shops, Mt. Rainier Scenic Railroad, Mineral, WA | restoration | H.K. Porter #6860, 1924 | Undergoing restoration back to operation. | |
| 7 (1) | 2-6-0 | 36" | Argent Lumber (Beaufort County Lumber) | Midwest Central Railroad, Mt Pleasant, IA | restoration | H.K. Porter #5540, 03/1914 | From the Petticoat Junction Railroad, then Warrior, AL. | |
| 9 (38) | 0-4-0 | 36" | Carbon Limestone | Nappanee Power From The Past, Nappanee, IN | restoration | H.K. Porter #8217, 1949 | From the Petticoat Junction Railroad, then Warrior, AL. Being restored by Jerry LeCount. It is unclear where the locomotive actually is. It has been reported at La Porte and at Amish Acres (now The Barns at Nappanee). But that has now been auctioned. | |
| 0-4-0ST | 36" | H.C. Frick Coke Co | Fox Island Railroad, Nashville, TN | restoration | H.K. Porter #7998, 04/1946 | From Fairchance, PA. Relocated to Maryland. Sold in 2024. | ||
| 8 | 0-4-0 | 30" | Anaconda Copper (Raritan Copper) | Lund Machine Works, New Ulm, MN | restoration | H.K. Porter #6917, 1924 | From Edaville, then restored by Harry Stebbins, Navarre, OH. | |
| 38 | 0-4-0T | 4'-8½" | NH Trap Rock | near Tipping Drive, North Branford, CT | restoration | H.K. Porter #5008 | Sold in March 2016 to Kevin Nairn and moved to an unknown location in CT. Privately owned and slowely being restored. | |
| 1 (5019) | 0-6-0T | 4'-8½" | Albemarle Paper Co (USATC) | Old Dominion Chapter NRHS, Richmond, VA | restoration | H.K. Porter #7499, 12/1942 | ||
| 0-4-0ST | 4'-8½" | American Viscose | Joseph Rodney Estate, Silver Creek, NY | restoration | H.K. Porter #7209, 1934 | From Gem City Iron & Metal, Pulaski, VA. Was listed for sale in 2012. Cosmetic restoration only. | ||
| 37 | 0-6-0T | 4'-8½" | Carbon Limestone | Birney Watts, Backshop Enterprises, Wheat Ridge, CO | restoration | H.K. Porter #7455, 1943 | Current disposition and location of this locomotive is unclear. | |
| 62 | 0-4-0T | 23" | Jones & Laughlin Steel | Youngstown Steel Heritage Museum, Youngstown, OH | restoration | H.K. Porter #7614, 03/1944 | From Mead, CO. Will be modified to look more like a standard steam locomotive instead of a box-shaped locomotive and regauged to 24". |