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			 Disposition des essieux 
			 | 
			
			 Classification 
			 | 
			
			 Dénomination 
			 | 
		
		
			| 
			 o Essieu porteur 
			O Essieu moteur 
			< Avant 
			 | 
			
			 UIC 
			 | 
			
			 Anglaise / Américaine 
			 | 
			
			 Française 
			 | 
			
			   
			 | 
		
		
			| 
			 < o O 
			 | 
			
			 1 A 
			 | 
			
			 2-2-0 
			 | 
			
			 110 
			 | 
			
			  Planet 
			 | 
		
		
			| 
			 < o O o 
			 | 
			
			 1 A 1 
			 | 
			
			 2-2-2 
			 | 
			
			 111 
			 | 
			
			  Jenny Lind, Buddicom 
			 | 
		
		
			| 
			 < oo O 
			 | 
			
			 2 A 
			 | 
			
			 4-2-0 
			 | 
			
			 210 
			 | 
			
			  Crampton 
			 | 
		
		
			| 
			 < oo O o 
			 | 
			
			 2 A 1 
			 | 
			
			 4-2-2 
			 | 
			
			 211 
			 | 
			
			  Single Driver, Bicycle 
			 | 
		
		
			| 
			 <  OO 
			 | 
			
			 B 
			 | 
			
			 0-4-0 
			 | 
			
			 020 
			 | 
			
			  Four wheeler 
			 | 
		
		
			| 
			 <  OO o 
			 | 
			
			 B 1 
			 | 
			
			 0-4-2 
			 | 
			
			 021 
			 | 
			
			   
			 | 
		
		
			| 
			 <  OO oo 
			 | 
			
			 B 2 
			 | 
			
			 0-4-4 
			 | 
			
			 022 
			 | 
			
			  Forney 4-Coupled 
			 | 
		
		
			| 
			 < o OO 
			 | 
			
			 1 B 
			 | 
			
			 2-4-0 
			 | 
			
			 120 
			 | 
			
			  Four wheeler 
			 | 
		
		
			| 
			 < o OO o 
			 | 
			
			 1 B 1 
			 | 
			
			 2-4-2 
			 | 
			
			 121 
			 | 
			
			  Columbia 
			 | 
		
		
			| 
			 < o OO oo 
			 | 
			
			 1 B 2 
			 | 
			
			 2-4-4 
			 | 
			
			 122 
			 | 
			
			    
			 | 
		
		
			| 
			 < oo OO 
			 | 
			
			 2 B 
			 | 
			
			 4-4-0 
			 | 
			
			 220 
			 | 
			
			  American 
			 | 
		
		
			| 
			 < oo OO o 
			 | 
			
			 2 B 1 
			 | 
			
			 4-4-2 
			 | 
			
			 221 
			 | 
			
			  Atlantic 
			 | 
		
		
			| 
			 < oo OO oo 
			 | 
			
			 2 B 2 
			 | 
			
			 4-4-4 
			 | 
			
			 222 
			 | 
			
			  Reading, Jubilee, Double Ender, Columbia 
			 | 
		
		
			| 
			 < OOO 
			 | 
			
			 C 
			 | 
			
			 0-6-0 
			 | 
			
			 030 
			 | 
			
			  Bourbonnais, Sixcoupled 
			 | 
		
		
			| 
			 < OOO o 
			 | 
			
			 C 1 
			 | 
			
			 0-6-2 
			 | 
			
			 031 
			 | 
			
			    
			 | 
		
		
			| 
			 < OOO oo 
			 | 
			
			 C 2 
			 | 
			
			 0-6-4 
			 | 
			
			 032 
			 | 
			
			  Forney 6-Coupled 
			 | 
		
		
			| 
			 < o OOO 
			 | 
			
			 1 C 
			 | 
			
			 2-6-0 
			 | 
			
			 130 
			 | 
			
			  Mogul 
			 | 
		
		
			| 
			 < o OOO o 
			 | 
			
			 1 C 1 
			 | 
			
			 2-6-2 
			 | 
			
			 131 
			 | 
			
			  Prairie 
			 | 
		
		
			| 
			 < o OOO oo 
			 | 
			
			 1 C 2 
			 | 
			
			 2-6-4 
			 | 
			
			 132 
			 | 
			
			  Adriatic 
			 | 
		
		
			| 
			 < oo OOO 
			 | 
			
			 2 C 
			 | 
			
			 4-6-0 
			 | 
			
			 230 
			 | 
			
			  Ten wheeler 
			 | 
		
		
			| 
			 < oo OOO o 
			 | 
			
			 2 C 1 
			 | 
			
			 4-6-2 
			 | 
			
			 231 
			 | 
			
			  Pacific 
			 | 
		
		
			| 
			 < oo OOO oo 
			 | 
			
			 2 C 2 
			 | 
			
			 4-6-4 
			 | 
			
			 232 
			 | 
			
			  Baltic, Hudson 
			 | 
		
		
			| 
			 < OOOO 
			 | 
			
			 D 
			 | 
			
			 0-8-0 
			 | 
			
			 040 
			 | 
			
			  8-Coupled 
			 | 
		
		
			| 
			 < OOOO o 
			 | 
			
			 D 1 
			 | 
			
			 0-8-2 
			 | 
			
			 041 
			 | 
			
			    
			 | 
		
		
			| 
			 < OOOO oo 
			 | 
			
			 D 2 
			 | 
			
			 0-8-4 
			 | 
			
			 042 
			 | 
			
			    
			 | 
		
		
			| 
			 < o OOOO 
			 | 
			
			 1 D 
			 | 
			
			 2-8-0 
			 | 
			
			 140 
			 | 
			
			  Consolidation 
			 | 
		
		
			| 
			 < o OOOO o 
			 | 
			
			 1 D 1 
			 | 
			
			 2-8-2 
			 | 
			
			 141 
			 | 
			
			  Mikado 
			 | 
		
		
			| 
			 < o OOOO oo 
			 | 
			
			 1 D 2 
			 | 
			
			 2-8-4 
			 | 
			
			 142 
			 | 
			
			  Berkshire 
			 | 
		
		
			| 
			 < oo OOOO 
			 | 
			
			 2 D 
			 | 
			
			 4-8-0 
			 | 
			
			 240 
			 | 
			
			  Twelve wheeler 
			 | 
		
		
			| 
			 < oo OOOO o 
			 | 
			
			 2 D 1 
			 | 
			
			 4-8-2 
			 | 
			
			 241 
			 | 
			
			  Mountain, Mohawk 
			 | 
		
		
			| 
			 < oo OOOO oo 
			 | 
			
			 2 D 2 
			 | 
			
			 4-8-4 
			 | 
			
			 242 
			 | 
			
			  Pocono, Confederation, Niagara, Northern 
			 | 
		
		
			| 
			 < OOOOO 
			 | 
			
			 E 
			 | 
			
			 0-10-0 
			 | 
			
			 050 
			 | 
			
			  10-Coupled 
			 | 
		
		
			| 
			 < OOOOO o 
			 | 
			
			 E 1 
			 | 
			
			 0-10-2 
			 | 
			
			 051 
			 | 
			
			  Union 
			 | 
		
		
			| 
			 < o OOOOO 
			 | 
			
			 1 E 
			 | 
			
			 2-10-0 
			 | 
			
			 150 
			 | 
			
			  Decapod 
			 | 
		
		
			| 
			 < o OOOOO o 
			 | 
			
			 1 E 1 
			 | 
			
			 2-10-2 
			 | 
			
			 151 
			 | 
			
			  Sante Fé, Lorraine 
			 | 
		
		
			| 
			 < o OOOOO oo 
			 | 
			
			 1 E 2 
			 | 
			
			 2-10-4 
			 | 
			
			 152 
			 | 
			
			  Texas, Selkirk 
			 | 
		
		
			| 
			 < oo OOOOO 
			 | 
			
			 2 E 
			 | 
			
			 4-10-0 
			 | 
			
			 250 
			 | 
			
			  Mastodon 
			 | 
		
		
			| 
			 < oo OOOOO o 
			 | 
			
			 2 E 1 
			 | 
			
			 4-10-2 
			 | 
			
			 251 
			 | 
			
			  Overland, Sierra, Southern Pacific, Super Mountain 
			 | 
		
		
			| 
			 < OOOOOO 
			 | 
			
			 F 
			 | 
			
			 0-12-0 
			 | 
			
			 060 
			 | 
			
			    
			 | 
		
		
			| 
			 < o OOOOOO 
			 | 
			
			 1 F 
			 | 
			
			 2-12-0 
			 | 
			
			 160 
			 | 
			
			  Centipede 
			 | 
		
		
			| 
			 < o OOOOOO o 
			 | 
			
			 1 F 1 
			 | 
			
			 2-12-2 
			 | 
			
			 161 
			 | 
			
			  Javanic 
			 | 
		
		
			| 
			 < o OOOOOO oo 
			 | 
			
			 1 F 2 
			 | 
			
			 2-12-4 
			 | 
			
			 162 
			 | 
			
			    
			 | 
		
		
			| 
			 < oo OOOOOO 
			 | 
			
			 2 F 
			 | 
			
			 4-12-0 
			 | 
			
			 260 
			 | 
			
			    
			 | 
		
		
			| 
			 < oo OOOOOO o 
			 | 
			
			 2 F 1 
			 | 
			
			 4-12-2 
			 | 
			
			 261 
			 | 
			
			  Union Pacific 
			 | 
		
		
			| 
			 < oo OOOOOO oo 
			 | 
			
			 2 F 2 
			 | 
			
			 4-12-4 
			 | 
			
			 262 
			 | 
			
			  Soviet 
			 | 
		
		
			| 
			 < OO + OO 
			 | 
			
			 B B 
			 | 
			
			 0-4-0 + 0-4-0 
			 | 
			
			 020 + 020 
			 | 
			
			    
			 | 
		
		
			| 
			 < OO + OOo 
			 | 
			
			 B B 1 
			 | 
			
			 0-4-0 + 0-4-2 
			 | 
			
			 020 + 021 
			 | 
			
			    
			 | 
		
		
			| 
			 < ooOOo + oOOoo 
			 | 
			
			 2 B 1  1 B 2 
			 | 
			
			 4-4-2 + 2-4-4 
			 | 
			
			 221 + 122 
			 | 
			
			    
			 | 
		
		
			| 
			 < OOO + OOO 
			 | 
			
			 C C 
			 | 
			
			 0-6-0 + 0-6-0 
			 | 
			
			 030 + 030 
			 | 
			
			    
			 | 
		
		
			< OOOo + oOOO | 
			C1 1C | 
			          0-6-2 + 2-6-0 | 
			031 + 130 | 
			
			    
			 | 
		
		
			| 
			 < oOOO + OOOooo 
			 | 
			
			 1C  C 3 
			 | 
			
			 2-6-0  + 0-6-6 
			 | 
			
			 130 + 033 
			 | 
			
			  Alleghany 
			 | 
		
		
			| 
			 < ooOOO + OOOoo 
			 | 
			
			 2 C  C 2 
			 | 
			
			 4-6-0 + 0-6-4 
			 | 
			
			 230 + 032 
			 | 
			
			  Union Pacific, Challenger 
			 | 
		
		
			| 
			 < ooOOOo + oOOOoo 
			 | 
			
			 2 C 1  1 C 2 
			 | 
			
			 4-6-2 + 2-6-4 
			 | 
			
			 231 + 132 
			 | 
			
			    
			 | 
		
		
			| 
			  < OOOO + OOOO 
			 | 
			
			 D D   
			 | 
			
			 0-8-0 + 0-8-0 
			 | 
			
			 040 + 040 
			 | 
			
			  Mallet 
			 | 
		
		
			| 
			  < oOOOO + OOOOo 
			 | 
			
			  1 D D 1 
			 | 
			
			 2-8-0 + 0-8-2 
			 | 
			
			 140 + 041 
			 | 
			
			  Mallet 
			 | 
		
		
			| 
			  < oOOOO + OOOOoo 
			 | 
			
			  1 D D 2 
			 | 
			
			 2-8-0 + 0-8-4 
			 | 
			
			 140 + 042 
			 | 
			
			  Yellowstone 
			 | 
		
		
			| 
			  < ooOOOO + OOOOo 
			 | 
			
			  2 D D 1 
			 | 
			
			 4-8-0 + 0-8-2 
			 | 
			
			 240 + 041 
			 | 
			
			  Mallet 
			 | 
		
		
			| 
			  < ooOOOO + OOOOoo 
			 | 
			
			 2 D D 2 
			 | 
			
			 4-8-0 + 0-8-4 
			 | 
			
			 240 + 042 
			 | 
			
			  Big boy 
			 | 
		
		
			| 
			  < ooOOOOo + oOOOOoo 
			 | 
			
			 2 D 1  1 D 2 
			 | 
			
			 4-8-2 + 2-8-4   
			 | 
			
			 241 + 142 
			 | 
			
			    
			 | 
		
		
			| 
			  < oOOOOO + OOOOOo 
			 | 
			
			 1 E  E 1 
			 | 
			
			 2-10-0 + 0-10-2 
			 | 
			
			 150 + 051 
			 | 
			
			    
			 | 
		
		
			| 
			  < oOOOO + OOOO + OOOOo 
			 | 
			
			 (1 D) D + D 1 
			 | 
			
			 2-8-0 + 0-8-0 + 0-8-2 
			 | 
			
			 140 + 040 + 041 
			 | 
			
			  Triplex 
			 |