Wheel arrangements for common steam locomotives

Symbol American UIC German(old) French Example
> oO 2-2-0 1 A 1/2 110 Planet
> oOo 2-2-2 1 A 1 1/3 111 Jenny Lind, Buddicom,Firefly
> ooO 4-2-0 2 A 1/3 210 Crampton
> ooOo 4-2-2 2 A 1 1/4 211 Single Driver, Bycicle
> OO 0-4-0 B 2/2 020 4-wheeler
> OOo 0-4-2 B 1 2/3 021  
> OOoo 0-4-4 B 2 2/4 022 Forney 4-coupled
> oOO 2-4-0 1 B 2/3 120 Four Wheeler
> oOOo 2-4-2 1 B 1 2/4 121 Columbia
> oOOoo 2-4-4 1 B 2 2/5 122  
> ooOO 4-4-0 2 B 2/4 220 American
> ooOOo 4-4-2 2 B 1 2/5 221 Atlantic
>ooOOoo 4-4-4 2 B 2 2/6 222 Double Ender, Jubilee
> OOO 0-6-0 C 3/3 030 Sixcoupler
>OOOo 0-6-2 C 1 3/4 031  
>OOOoo 0-6-4 C 2 3/5 032 Forney 6-coupled
> oOOO 2-6-0 1 C 3/4 130 Mogul,German class BR 24
> oOOOo 2-6-2 1 C 1 3/5 131 Prairie
> oOOOoo 2-6-4 1 C 2 3/6 132 Adriatic
> ooOOO 4-6-0 1 C 3/5 230 Tenwheeler, P8, BR38
> ooOOOo 4-6-2 2 C 1 3/6 231 Pacific
> ooOOOoo 4-6-4 2 C 2 3/7 232 Baltic, Hudson
> OOOO 0-8-0 D 4/4 040 8-Wheeler, Yard Goat
> OOOOo 0-8-2 D 1 4/5 041  
> OOOOoo 0-8-4 D 2 4/6 042  
> oOOOO 2-8-0 1 D 4/5 140 Consolidation
> oOOOOo 2-8-2 1 D 1 4/6 141 Mikado
> oOOOOoo 2-8-4 1 D 2 4/7 142 Berkshire
> ooOOOO 4-8-0 2 D 4/6 240 12-Wheeler
> ooOOOOo 4-8-2 2 D 1 4/7 241 Mountain, Mohawk
> ooOOOOoo 4-8-4 2 D 2 4/8 242 Niagara, Northern
> OOOOO 0-10-0 E 5/5 050 10-coupler
> OOOOOo 0-10-2 E 1 5/6 051 Union
> oOOOOO 2-10-0 1 E 5/6 150 Decapod
> oOOOOOo 2-10-2 1 E 1 5/7 151 Santa Fe, Lorraine
> oOOOOOoo 2-10-4 1 E 2 5/8 152 Texas, Selkirk
> ooOOOOO 4-10-0 2 E 5/7 250 Mastodon
> ooOOOOOo 4-10-2 2 E 1 5/8 251 Southern Pacific,Sierra
> OOOOOO 0-12-0 F 6/6 060  
> oOOOOOO 2-12-0 1 F 6/7 160 Centipede, German class BR 59
> oOOOOOOo 2-12-2 1 F 1 6/8 161 Javanic
> oOOOOOOoo 2-12-4 1 F 2 6/9 162  
> ooOOOOOO 4-12-0 2 F 6/8 260  
> ooOOOOOOo 4-12-2 2 F 1 6/9 261 Union Pacific
> ooOOOOOOoo 4-12-4 2 F 2 6/10 262 Soviet
> OO + OO 0-4-0 + 0-4-0 B  B 2/2 + 2/2 020 + 020 Zuckersusi ("Sugar Susie")
> OO + OOo 0-4-0 + 0-4-2 B  B 1 2/2 + 2/3 020 + 021  
> ooOOo + oOOoo 4-4-2 + 2-4-4 2 B 1  1 B 2 2/5 + 2/5 221 + 122  
> OOO + OOO 0-6-0 + 0-6-0 C C 3/3/ + 3/3 030 + 030  
> oOOO + OOOooo 2-6-0 + 0-6-6 1 C  C 3 3/4 + 3/6 130 + 033 Allegheny
> ooOOOo + oOOOoo 4-6-2 + 2-6-4 2 C 1  1 C 2 3/6 + 3/6 231 + 132 Challenger
> OOOO + OOOO 0-8-0 + 0-8-0 D D 4/4 + 4/4 040 + 040  
> oOOOO + OOOOoo 2-8-0 + 0-8-4 1 D  D 2 4/5 + 4/6 140 + 042 Yellowstone
> ooOOOOo + oOOOOoo 4-8-2 + 2-8-4 2 D 1  1 D 2 4/7 +4/7 241 + 142 Big Boy
> oOOOOO + OOOOOo 2-10-0 + 0-10-2 1 E  E 1 5/6 + 5/6 150 + 051  
> oOOOO + OOOO + OOOOo 2-8-0 + 0-8-0 + 0-8-2 (1D) D + D1 4/5 + 4/4 + 4/5 140 + 040 + 041 Mallet with booster