Trains

Trains appear commonly in the adventures, Thomas the Tank Engine appearing the most.

Trains on the Island of Sodor
A majority of the adventures takes place on the Island of Sodor. Engines on the Ffarquhar Branch Line (Thomas's Branchline) are the most familiar with the kids.

Steam Engines

 * Thomas - LB&SC Class E2
 * Lady
 * Percy - GWR Hybrid Class SS
 * Hiro - JNR Class D51
 * Spencer - LNER Class A4
 * James - L&YR Class 28
 * Rosie - USATC Class S100
 * Duck - GWR Class 57xx (His real name is Montague but everyone, including himself, prefers 'Duck'.)
 * Toby - LNER Class J70

Diesel Engines

 * Diesel 10 - BR Class 42
 * Evil Diesel - BR Class 08
 * Daisy - BR Class 101
 * Mavis - BR Class 04
 * Salty - BR Class 07

Passenger Stock

 * Annie - MR Suburban Coach
 * Clarabel - MR Suburban Brake
 * Henrietta - GER W&UR Coach No. 7
 * Victoria - NLR 2nd Class Coach
 * Elsie - GER Luggage Van

Goods Stock

 * Troublesome Trucks

Trains in Piney Vale
Piney Vale is a little valley community and home to Little Engine, aka the Little Engine That Could.

Steam Engines

 * Little Engine - SPL C.P. Huntington Class
 * Nightmare Train - PRR Class K4 Hybrid
 * New Engine - ICR Rogers Ten-Wheeler
 * Strong Engine - N&W Class M7
 * Shiny Engine - UP GE Steam Turbine

Diesel Engines

 * Freight Train - EMD Class GP35

Goods Stock

 * Caboose - B&O Bobber Caboose

Trains in Starlight Express
The name of the railway is unknown, but it's list of motive power and rolling stock is infamous from the musical 'Starlight Express'.

Steam Engines

 * Rusty - USATC Class S100
 * Greaseball - Amtrak FP40H Steam Hybrid (Was originally a diesel but converted to steam after an accident)

Electric Engines

 * Electra

National Engines

 * Bobo - SNCF Class TGV 001
 * Espresso - FS Class ETR D445
 * Weltschaft - DB Class ICE 602
 * Turnov - TSR Class Rossija TEP80
 * Hashimoto Nintendo - JNR Class Bullet Train Series 0

Passenger Stock

 * Pearl - PRR Harriman Observation
 * Buffy - LNER Buffet Car
 * Dinah - Amfleet Full-Dinette Dining Car
 * Ashley - CPRR Smoking Car
 * Duvay - LNER Sleeping Car
 * 2nd Class Sleeper - BR 2nd Class Sleeper
 * 3rd Class Sleeper - LMS 3rd Class Sleeper

Goods Stock

 * Rocky 1, 2, 3 & 4 - RIL Box cars
 * Hip Hopper 1, 2 & 3
 * Flat-Top - GWR Brick Truck
 * Dustin - BR Coke Hopper
 * C.B. - N&W Bobber Caboose

Component Stock

 * Krupp
 * Wrench
 * Joule
 * Volta
 * Purse

Police Stock

 * Traxes
 * Race Marshalls

Trains on the Indian Valley Railway
Unlike the above listed these trains don't communicate with each others as they don't have any faces. However they do make various appearances.
 * The Rainbow Sun
 * The Leaping Log Rambler

Green Meadow Railway
There are two versions of this railway company. One is a privately-owned firm serving the school. So far this has only appeared in Sophia and the Vampires.

Diesel Engines
The other version consists of the kids who with magic costumes turn into trains. Note: those marked with * are exchanges but are honorary members of the company.
 * 1) 223 - EMD Class GP35
 * 2) 777 - EMD Class GP9

Steam Engines

 * Armand - USA/UK Class S160
 * Willa - Bulgarian Class 15
 * Max - Italian Class 981
 * Leah* - French Class 3-231 G 558

Diesel Engines

 * Danielle (Originally) - Russian Class TEM2
 * Paul* - Austrian Class 5022

Electric Engines

 * Danielle (Currently) - Russian Class ChS7
 * Sophia - UK Class 395
 * Thea (Originally) - New Zealand Class E0
 * Yaniv - Japanese Class 500
 * Taylor - Italian Class 470
 * Julian - Japanese Class 800
 * Shaquille* - (He has a Tunisian Electric train design, I forget which class though)

Electro Maglevs

 * Hannah (Originally) - (Again I forget the class, what I can say is that her design is from Bangladesh)

Solar Maglevs

 * Thea (Currently) - Class ECO4  representing Guam
 * Hannah (Currently) - Class ECO4  representing Bangladesh
 * Rachael - Class ECO 4
 * Eli - Class ECO 4 representing Jamaca
 * Dakota - Class ECO 4 representing Portugal

Solar Engine

 * Sabine - Class LLC representing Singapore

Hi-Railer

 * Evan - Bugatti Veyron representing Swaziland

Passenger Stock

 * Katherine - South African Guard's Van Caboose representing Madagascar
 * Alisa - Mediterainian Cafe Car
 * Olenka (Originally) - French Smoking Car
 * Gabriel - Canadian Dining Car
 * Maud* - French Dining Car
 * Pedro* - South Korean Dining Car

Goods Stock

 * Rose Tui - South African Gondola
 * Alana - UK Horse Van representing Norway
 * Lukas - USA Grain Hopper

Army Stock

 * Olenka (Currently) - French Armaments Truck

Vampiric Trains
For a brief moment Raven altered the space/time continuum causing trains to become vampiric. Here are the poor victims listed.

Steam Engines

 * Willa
 * Sabine - Singaporese Class 55
 * Dakota - Portugal Class E1
 * Leah
 * Percy
 * James
 * Lady

Diesel Engines

 * Danielle
 * Evil Diesel
 * Diesel 10

Electric Engines

 * Sophia
 * Thea

Wind Propulsion

 * Eli - Hovertrain representing Jamaca

Passenger Stock

 * Olenka
 * Maud

Goods Stock

 * Rose Tui
 * Alana

Gallery
North Western Railway Engine Basis ===