In all, US logging railroads used a total of forty-two Mallet-type articulated locomotives. While these were mainly 2-6-6-2s, twenty-seven of which were tank engines, this number also included three 2-4-4-2s and two 2-8-8-2s. All were built by the Baldwin Locomotive Works, and all were standard gauge (56.5 inches). One 42-inch gauge 0-6-6-0 logging Mallet was built for export. There were also several logging Mallet design proposals that were never built. Two 36-inch gauge 2-6-6-2Ts were built for the Uintah Railway, but these were of a different design.
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Locomotives are listed in chronological order.
- Preserved locomotives are marked
with a '*' followed by their current location.
June - 2-4-4-2 - Little
River Railroad #126 – Columbia River Belt Line Railway "Skookum" – Carlisle Lumber
Company #7 – Deep River #7
November - 2-4-4-2 - Little River Railroad #148
January - 2-6-6-2T - Booth-Kelly Lumber Company #2
June - 2-6-6-2 - Caspar, South Fork & Eastern #5 "Trojan"
June - 2-4-4-2 - Eastman, Gardiner & Co #64
December - 2-6-6-2 - Portland
& Southwestern #2 – Alton & Southern #8
April - 2-6-6-2T - Booth-Kelly
Lumber Company #6
March - 2-6-6-2T - St.
Paul & Tacoma Lumber Company #7
July - 2-6-6-2T - Hammond
Lumber #4 – Hammond & Little River #4 - Consolidated #4 – Saginaw &
Manistee #4 – Southwest Lumber #4
January - 2-6-6-2 - Long-
Bell #1000
January - 2-6-6-2 - Long-
Bell #1001
January - 2-6-6-2T - St.
Paul & Tacoma #10
March - 2-6-6-2T - Clemons
Logging Co #6 – Weyerhaeuser #111
March - 2-6-6-2T - Clover
Valley #4 – Feather River #4
July - 2-6-6-2 - Caspar,
South Fork & Eastern #7 "Samson"
November - 2-6-6-2T - Bloedel
Donovan #8 – Rayonier #8
November - 2-6-6-2T - Bloedel
Donovan #9 – Rayonier #9
February - 0-6-6-0 - Insular Lumber Co #7 (Philippines)
March - 2-6-6-2T - Saginaw
Timber Company #4 – White River #7
July - 2-6-6-2T - Clemons
Logging Co #7 – Weyerhaeuser #7
March - 2-6-6-2T - Potlatch
Lumber Company # 24 – Weyerhaeuser Timber Company #108
May - 2-6-6-2T - Peninsular
Railway #13 "Sophus Jacobson" - Simpson
Logging Company #13
November - 2-6-6-2T - Ostrander
Railway & Timber Company #7 - Weyerhaeuser Timber Company #5 - Kosmos Timber
Company #11 - US Plywood Corp #11
November - 2-6-6-2 - Bloedel
Donovan #14 – Rayonier #14
January - 2-6-6-2T - Clemons
Logging Company #8 – Weyerhaeuser Timber Company #114
April - 2-6-6-2 - Mud
Bay Logging Company #8 – Weyerhaeuser Timber Company #6
August - 2-6-6-2T - Weyerhaeuser
Timber Company #110 – Rayonier Inc #110
August -
2-6-6-2T - Saginaw
Timber Company #5 – Bloedel Stewart & Welch #6 – MacMillan Bloedel #1006
April - 2-6-6-2T - Crown Willamette Paper Company #12
April - 2-6-6-2T - Weyerhaeuser Timber Company #105
April - 2-6-6-2T - Weyerhaeuser Timber Company #106
May - 2-6-6-2T - Weyerhaeuser
Timber Company #111 – Canadian Forest Products #111
May - 2-8-8-2 - Weyerhaeuser Timber Company #200
June - 2-6-6-2T - Hammond Lumber #6 – Hammond & Little River #12 – Hammond Redwood #12 – Hammond Lumber #12 – Arcata & Mad River #12 – Southwest Lumber Mills #12 *Display, Flagstaff, AZ.
June - 2-6-6-2T - Hammond
Lumber #5 – Hammond & Little River #5 - Crown Willamette #16
May - 2-6-6-2T - Weyerhaeuser Timber Company #107
September - 2-8-8-2 - Weyerhaeuser
Timber Company #201
September - 2-6-6-2 - Weyerhaeuser
Timber Company #4 – Sierra Railroad #38 – Rayonier Inc #38
2-6-6-2 - Weyerhaeuser
Timber Company #120 – Chehalis Western #120 – Rayonier Inc #120
June - 2-6-6-2T - Weyerhaeuser
Timber Company #110 – Rayonier Inc #111
June - 2-6-6-2T - Weyerhaeuser
Timber Company #112 – Kosmos Timber Company #12 – US Plywood Corp #12 – Harbor Plywood
Corp #12
August - 2-6-6-2T - Weyerhaeuser
Timber Company (Clemons Logging Co) #9 – Weyerhaeuser Timber Company #8
1910 - March - 2-6-6-2 - Northern
Pacific #3100 – Polson Logging #3100 – Rayonier Inc #3100
1907: 2-4-4-2 - Taupo Totara Timber Co #7 (New Zealand) – Glenbrook Vintage Railway
#4
These two locomotives, while sometimes listed with Baldwin's logging Mallets, were of a completely different design and were built for hauling Gilsonite ore. They later hauled lumber on Oregon's Sumpter Valley Railway, a common carrier. While a large number of logging railroads connected with the Sumpter Valley, the two articulated locomotives were not specifically assigned to log hauling duty.
June 1926 - Uintah
Railway #50 – Sumpter Valley Railway #250
– FC Internationales de Central America (Guatemala) #250
April 1928 - Uintah
Railway #51 – Sumpter Valley Railway #251 – FC
Internationales de Central America (Guatemala) #251
1920 - J.A.
Veness Lumber Co 2-6-6-2t
1924 - Clover Valley Lumber 37in. driver 2-6-6-2t
1927 - Simpson
Logging Company simple 2-6-6-2t
1927 - Willamette Valley Lumber 2-6-6-2t
1929 - Biles
Coleman 3-foot gauge 2-6-6-2t
1930 - W.A. Woodward Lumber 2-6-6-2t
1935 - Derwint Valley Paper Co. 2-6-6-2t (Tasmania, 42in. gauge)