First part of suffix
Letter (s) Meaning (links to)
Input Output
TT Tender-tank locomotive
Tank T Tank locomotive
T Side tank locomotive
PT Pannier tank locomotive
ST Saddle tank locomotive
IST Inverted saddle tank locomotive
WT Well tank locomotive
BT Back tank locomotive / Rear tank locomotive
Rear RT
C Crane tank locomotive
CT
VB Vertical boilered locomotive
VBT
F Fireless locomotive
R Railcar
Rack R Rack locomotive
RT
P Petrol locomotive
PM Petrol-mechanical locomotive
PE Petrol-electric locomotive
D Diesel locomotive
DM Diesel–mechanical locomotive
DE Diesel–electric locomotive
DH Diesel–hydraulic locomotive
BE Battery-electric locomotive
OE Overhead-electric locomotive
CA Compressed-air locomotive
G Geared steam locomotive|
Second part of suffix
Letter (s) Meaning (links to)
Input Output
F Fireless locomotive
G Geared steam locomotive
R Railcar
C Crane tank
T +Tender (rail) (as in T|T which renders as T+T, for denoting tender-tank locomotives)