Yosemite Sam Railway Company locomotive numbering

This page explains the numbering and classification of Yosemite Sam Railway Company, the company which operates Toshiba Commuter Railway System, long distance train services, Dourdan line Bus Rapid Transit and the Corridor 3 of FreeCity BRT.

Steam locomotives
The earliest steam locomotives of the Yosemite Sam Railway Company have the class number followed by one to four letters. The class numbers are 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12.

The wheel arrangements are listed below:

A

 * A: Four-coupled (0-4-0)
 * AF: Olomana (0-4-2)
 * AS: Forney (0-4-4)
 * AT: Porter (2-4-0)

B

 * B: American (4-4-0)
 * BL: Reading (4-4-4)

C

 * C: Six-coupled (0-6-0)
 * CB: Forney six-coupled (0-6-4)
 * CF: Mogul (2-6-0)
 * CFK: Prarie (2-6-2)
 * CFL: Suburban (2-6-6)
 * CM: Ten-wheeler (4-6-0)

D

 * DH: Hudson (4-6-4)
 * DO: Eight-coupled (0-8-0)

F

 * FH: London (0-8-4)
 * FM: Consolidation (2-8-0)
 * FO: Mikado (2-8-2)
 * FV: Berkshire (2-8-4)

H

 * HB: Twelve-wheeler (4-8-0)
 * HL: Mountain (4-8-2)

J

 * JP: Northern (4-8-4)

K

 * KL: Ten-coupled (0-10-0)
 * KN: Union (0-10-2)
 * KP: Decapod (2-10-0)

L

 * LA: Santa Fe (2-10-2)
 * LO: Texas (2-10-4)
 * LT: Mastodon (4-10-0)

N

 * N: Welsh Highland (0-4-0+0-4-0)
 * NB: Kitson Meyer (0-6-0+0-6-0)
 * NK: Double Porter (2-4-0+0-4-2)
 * NR: Double Mogul (2-6-0+0-6-2)

P

 * P: Adriatic (2-6-4)
 * PB: 0-6-6
 * PO: Reid Ten-wheeler (4-10-2)

R

 * RC: Boston (2-4-4)
 * RG: Atlantic (4-4-2)
 * RN: 6-8-6

S

 * S: 4-4-4-4
 * SF: Erie (0-6-6-0)
 * SJ: Challenger (4-6-6-4)
 * SK: Pacific (4-6-2)
 * SQSK: Double Pacific (4-6-2+2-6-4)
 * ST: Big Boy (4-8-8-4)

T

 * T: 4-6-6-2
 * TO: Yellowstone (2-8-8-4)
 * TR: Double Hudson (4-6-4+4-6-4)

V

 * VA: Swiss (0-4-4-2)
 * VB: Skookum (2-4-4-2)
 * VD: Allegheny (2-6-6-6)
 * VF: Bull Moose (2-8-8-0)
 * VY: Chesapeake (2-8-8-2)
 * VZ: 4-6-4-4

W

 * WD: Double Mountain (4-8-2+2-8-4)
 * WK: Javanic (2-12-2)
 * WP: 4-4-6-4
 * WR: 2-6-6-4
 * WX: Double Columbia (2-4-2+2-4-2)

Y

 * YB: Vivrais (2-4-4-0)
 * YG: Mogyana (4-6-0+0-6-4)
 * YM: 2-6-8-0

Z
The letters E, I are not used in the locomotive classification, and is placed before the class number, for example: 8SK.
 * ZP: Double Northern (4-8-4+4-8-4)