Rosie

"I should've known another red engine would give good advice."

- James, The Fastest Red Engine on Sodor, twenty-first season

Rosie is a lively little tank engine who idolises Thomas. She works as both a shunting engine and a mixed traffic engine.

Thomas & Friends
Rosie began idolising Thomas to the point of hero-worship and imitation. Though this is said to be the most sincere form of flattery, it only served to irritate Thomas whilst he was trying to deliver a special birthday post train to Alice at High Farm. He even started to try and avoid her, but after Thomas had an accident in the course of delivering this train, Rosie helped him and he came to respect her.

Rosie was later called to help Thomas shunt trucks until Hector frightened her away.

Rosie was charged with acting as a back-engine to Emily with the funfair special. Wanting to take the train herself and thinking she was doing Emily a favour, Rosie succeeded only in creating confusion and delay on a grand scale, but eventually set things right.

Rosie rescued Thomas when his fire went out after playing a game of "Splish, Splash, Splosh". She later let Diesel take her train of flowers which was headed for market.

One day Rosie had a cracked wheel, so Thomas and Butch brought her a new one.

On Sodor Surprise Day, Thomas bumped some coal trucks to surprise Gordon, but ended up surprising her instead. She is later seen being cleaned up with Whiff at the washdown and joins Gordon and Thomas at Callan Castle to see Harold decked out in bright lights to make Gordon laugh.

Sometime after she was repainted into her red livery, James challenged her to a race. When Rosie realized that there was something wrong with James' brakes, she warned him to go to the Steamworks to have them checked before they get worse. James did not follow her advice, and as a result, when he sped down Gordon's Hill, his brakes would not work, and he went on a runaway until he crashed into the wall at the end of Tidmouth Sheds.

When James was taking Henry's train to the Mainland, he went to the Vicarstown Goods Yard, looking for the trucks to take to the Mainland. Rosie told him that she knew they were important and that was why Thomas came to take them early.

Personality
Rosie is a friendly, respectful and helpful tank engine who likes Thomas very much. She and Thomas like to have fun, and also like to help each other when they are working. Rosie can be described as a feisty, energetic and free-spirited tomboy who is not afraid to do hard work. She loves to race just as much as she loves to be Really Useful.

Rosie also seems very eager to prove her worth, as evidenced by her wanting to help Thomas deliver Alice's birthday presents, or even pull a special train on her own. As of Season 21, she appears to have become more levelheaded and mature, serving as a voice of reason to James' arrogance.

Basis
Rosie is based on an SR USA Class 0-6-0T. Originally classified as the USATC S100 Class and designed for shunting duties in Europe during the Second World War, after the war ended, fifteen of these engines were sold to the Southern Railway where they were used as dockyard shunters at Southampton. There, they worked alongside the LB&SCR E2s (Thomas' class). Both classes were replaced by BR Class 07 diesels (Salty's class) in 1962, though members of the class remained in service on departmental duties until 1966.

Four members of this class are preserved, one at the Bluebell Railway. Two S100s have also been bought from the former Yugoslavia and modified to USA condition.

Livery
From her debut up until The Great Race, Rosie was painted lavender with light grey tank panels, red lining and gold boiler bands. Her wheels were red with light grey wheel rims.

Starting from the twenty-first season onwards, Rosie is painted cherry red with dark raspberry tank panels, gold boiler bands and light grey lining. She has gold lining above her wheels and around her ladder. Rosie has the letters "NWR" written on her tank panels in light grey and the number "37" in light grey under her cab windows. She still retains her original red wheels with light grey wheel rims however.

Appearances
 Television Series= {{Scroll box|

Thomas & Friends

 * Season 10 - Thomas and the Birthday Mail
 * Season 11 - Hector the Horrid!, Thomas Sets Sail and Thomas and the Runaway Car
 * Season 12 - Rosie's Funfair Special
 * Season 13 - Steamy Sodor (cameo), Splish Splash Splosh and Hiro Helps Out (cameo)
 * Season 14 - James in the Dark (cameo), Diesel's Special Delivery, Merry Winter Wish (cameo), Thomas and the Snowman Party (cameo), Thomas' Crazy Day (cameo), Jumping Jobi Wood! (cameo) and Merry Misty Island (cameo)
 * Season 15 - Gordon and Ferdinand (cameo), Toby and Bash (cameo), Percy's New Friends (cameo), Henry's Happy Coal (cameo), Surprise, Surprise (cameo), Stuck on You and Kevin the Steamie (cameo)
 * Season 16 - Race to the Rescue (cameo), Ho Ho Snowman (cameo), Flash Bang Wallop! (cameo), Thomas Toots the Crows (cameo), Bust My Buffers! (cameo), Percy and the Calliope (cameo), Salty's Surprise (does not speak), Sodor Surprise Day, Muddy Matters (cameo), Whiff's Wish (cameo) and Happy Birthday Sir! (cameo)
 * Season 17 - Steamie Stafford (cameo), Henry's Hero (cameo), The Thomas Way (cameo), Percy's Lucky Day (cameo), Bill or Ben? (cameo), Away From the Sea (cameo) and No More Mr. Nice Engine (cameo)
 * Season 18 - Signals Crossed (cameo), Toad's Adventure (cameo), Long Lost Friend (cameo) and Samson at Your Service (cameo)
 * Season 19 - Very Important Sheep (cameo), The Beast of Sodor (cameo) and Philip to the Rescue (cameo)
 * Season 21 - Hasty Hannah (cameo), The Fastest Red Engine on Sodor and Emily in the Middle (cameo)

She may appear in the twenty-second season.

Specials

 * 2008 - The Great Discovery (cameo)
 * 2009 - Hero of the Rails (cameo)
 * 2010 - Misty Island Rescue (cameo)
 * 2011 - Day of the Diesels (cameo)
 * 2012 - Blue Mountain Mystery (cameo)
 * 2013 - King of the Railway (cameo)
 * 2014 - Tale of the Brave (cameo)
 * 2015 - Sodor's Legend of the Lost Treasure (cameo)
 * 2016 - The Great Race (cameo)
 * 2017 - Journey Beyond Sodor

Learning Segments

 * Season 10 - Which Load for Rosie?

Music Videos
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 * Season 10 - Navigation and There's Always Something New
 * Season 14 - All You Need
 * Day of the Diesels - Day of the Diesels
 * Season 15 - Hear the Engines Coming
 * Season 16 - Go, Go Thomas
 * King of the Railway - Working Together Again and It's Gonna be a Great Day
 * Season 17 - Hey, Hey Thomas! and On a Journey Today
 * Tale of the Brave - Let's Be Brave
 * Season 18 - The Best Friends Express
 * Thomas' YouTube World Tour - A World Around You, It's Great to be an Engine and The Whistle Song
 * Season 19 - Engine Roll Call
 * Journey Beyond Sodor - I Want to Go Home (cameo)
 * -|Other Media=

Magazine Stories


Voice Actors

 * Teresa Gallagher (UK; thirteenth season - sixteenth season)
 * Jules de Jongh (US; thirteenth season - sixteenth season)
 * Nicola Stapleton (UK/US; Journey Beyond Sodor onwards)
 * Hisayo Mochizuki (Japan)
 * Simona Pahl (Germany; thirteenth - sixteenth season)
 * Natascha Pavia (Germany; Journey Beyond Sodor onwards)
 * Micaela Incitti (Italy)
 * Justyna Bojczuk (Poland; thirteenth - sixteenth seasons)
 * Aleksandra Radwan (Poland; twenty-first season onwards)
 * Talya Barkay (Israel)
 * Susa Saukko (Finland; thirteenth season onwards)
 * Lena Meieran (Norway; thirteenth - sixteenth season)
 * Mildred Barrera (Latin America; thirteenth season onwards)
 * Blanche Ravalec (France and French-speaking Canada)
 * María Rubio (Spain; thirteenth season onwards)
 * Elain Llwyd (Wales)
 * Vina Papadopoulou﻿ (Greece)

Trivia

 * Rosie is the first engine of several things:
 * The first engine of an American class introduced in the television series and the second such engine (after Stanley) introduced in the franchise overall.
 * The first engine in the television series to have their debut livery changed permanently and the second character in the television series overall, the first being S.C. Ruffey.
 * The first engine in the television series to receive a number who did not already have one.
 * The first engine in the television series to be lettered for the North Western Railway. She is the second in the franchise overall after Emma.
 * Rosie's model is currently on display at Drayton Manor. Sometime in 2017, a part of her siderod had broken off.
 * In Red for Rosie, one illustration incorrectly depicts her with a tender.
 * Most merchandise lines depicted Rosie without the lip gloss and blush that she had worn prior to the twenty-first season.
 * Rosie's whistle is a higher pitched version of Thomas'.
 * A magazine fact file states that she works on Thomas' Branch Line, although she is yet to be seen doing so in the television series.
 * The My First Thomas & Friends' Railway Pals variant of Rosie was the first piece of merchandise to introduce her in her new red livery.
 * Since her debut, Rosie has appeared in every season and special except The Adventure Begins, which was set before she arrived on the railway, and the twentieth season, possibly due to her model being reworked for the twenty-first season and Journey Beyond Sodor.
 * Rosie has both her whistle and connecting rods in different positions compared to her prototype:
 * Rosie's whistle is positioned behind her rear dome whilst her prototype has its whistle positioned on the right side of the middle dome.
 * Rosie's connecting rods are attached to her middle driving wheels whereas her prototype has its connecting rods attached to the rear driving wheels.
 * Her funnel is also taller than her basis.
 * Rosie has had a few modifications throughout the television series, which include:
 * Season 12:
 * Her tail-lamp was removed.
 * Season 13:
 * Her face became slightly smaller.
 * Her funnel and steam pipes became thinner.
 * Her lamp-irons were removed.
 * A detail on her coal bunker had been pushed in.
 * Mid-Season 17 (starting with Percy's Lucky Day onwards):
 * She gained a permanent headlamp of the same design as Ferdinand's, mounted in front of her funnel.
 * Tale of the Brave:
 * She regained her tail-lamp.
 * Season 21:
 * She received a new cherry red livery with "NWR" painted on her side tanks and the number 37 painted under her cab windows.
 * She lost her lip gloss and blush.
 * She gained rivets across her cab, side tanks, smoke box, cylinders and the sides of her buffer beam.
 * Rosie is numbered 37 as of the twenty-first season, this number was likely chosen as she is the 37th standard gauge engine introduced in the television series.
 * According to SIF, Rosie was intended to have at least one other episode in the twenty-first season. This episode, along with seven others, were cancelled to make way for production of the twenty-second season.

Quotes
"Rosie was a cheerful, chirpy little tank engine. She was always pleased to meet Thomas. She liked him so much that she wanted to be just like him."

- The narrator introducing Rosie, Thomas and the Birthday Mail, tenth season

Merchandise

 * Wooden Railway (normal, battery powered; discontinued, holiday versions; discontinued, early engineers; discontinued and roll and whistle)
 * Take Along (discontinued normal, metallic and "lights and sounds")
 * Take-n-Play (normal, discontinued talking and glow racers)
 * Collectible Railway
 * Motor Road and Rail (discontinued outside Asia), (red livery coming soon)
 * TrackMaster (many versions all discontinued)
 * Bachmann
 * Mega Bloks (discontinued)
 * Minis
 * Classic Minis
 * DC Super Friends Minis (as Supergirl, Starfire, Hawkgirl and Star Sapphire)
 * SpongeBob SquarePants Minis (as Mrs. Puff)
 * Tootsie Minis (Charms)
 * Mighty Morphin' Power Rangers Minis (as the Pink Ranger)
 * Teenage Mutant Ninja Turtles Minis (as April O'Neil)
 * Fantasy Minis
 * Camo Minis
 * Light Up Minis
 * My First Thomas (discontinued)
 * My Thomas Story Library (discontinued)
 * Capsule Plarail (normal, metallic and transparent)
 * Boss (discontinued)
 * Discover Junction
 * Bath Toys
 * Micro Rubber Engines
 * Adventures (normal and light-up racers)
 * My First Thomas & Friends
 * Wood