Mallets with six coupled axles
Locomotives
Baltimore & Ohio class O “Old Maude”
United States
Bavarian Gts 2x3/3
Germany
Bernina Railway R 1051 and 1052
Switzerland
Bloedel Donovan Lumber Mills No. 14
United States
Central of Georgia class ML
United States
Chesapeake & Ohio classes H-1 to H-4
United States
Denver, North Western & Pacific No. 200 to 216
United States
Gotthard Railway Ed 2x3/3
Switzerland
Great Northern (US) class L-1
United States
Hungarian State Railways class 601
Austria-Hungary
Long-Bell Lumber No. 1000 and 1001
United States
New Zealand Railways E 66
New Zealand
Northern Pacific class Z
United States
Santa Fe classes 1157 and 3300
United States
South African class MC
South Africa
South African class MF
South Africa
South African class MH
South Africa
South African class MJ
South Africa
South African class MJ1
South Africa
Southern Pacific classes MM-2 and AM-2
United States
Staatsspoorwegen class 1600
Indonesia
Uganda Railway class M
Uganda
US Railroad Administration 2-6-6-2 (Light Mallet)
United States
Verde Tunnel and Smelter Railroad No. 500 and 501
United States
Western Pacific class M-80
United States
