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Emily is a Stirling Single tender engine who has a big heart and acts as a sisterly figure to the other engines despite being fussy and impulsive at times. Following her rescue of Gordon from a collapsing bridge and JamesPercy and Rebecca from a derailment, she was rewarded with being appointed safety engine, gaining her number twelve with it.

She works mostly on the Main Line and once ran the Misty Valley Branch Line. She also has her own set of coaches.


Thomas & Friends

When Emily was new to Sodor, she was ignored by the other engines for borrowing and pulling Annie and Clarabel without Thomas' permission or knowledge. The matter was resolved after she saved both Thomas and Oliver from nearly having a nasty accident on the cross-points and she was rewarded with two new coaches. Emily proved to be kind-hearted, as she was the only engine concerned about Henry when he was ill due to leaky tubes, she stuck up for Salty when Thomas and Percy were teasing him and suggested that Bulgy help the farmer deliver his vegetables around the island, after his passenger services went wrong with some naughty hens.

However, Emily has proven to be a nuisance on occasion as she bossed everyone about when they were clearing up after a storm, Thomas when he was taking passengers and Percy when he was shunting trucks. When pulling the express for the first time, Emily was determined to keep to Gordon's timing. Unfortunately, she became impatient and ran out of water.

Later on she was assigned to the Flour Mill, while James was assigned to the Misty Valley Branch Line, primarily the Black Loch. James told her that there was a monster in the Loch. She had trouble with the Flour Mill and ended up crashing some trucks off the line. She was later reassigned to the Misty Valley Branch Line replacing James. She discovered that the monster was just a family of seals and she is presumed to still work the line as it has never been stated otherwise.

When Thomas had to stay at Knapford Sheds, Emily did not like his company at first as she did not want any noise; she just wanted some sleep. However, she learned how comfortable it is to have the company of friends, missing Thomas when he did not return to the sheds. Originally disappointed once Tidmouth Sheds was rebuilt, she was delighted to find that the shed had gained a seventh berth and she was transferred there to be with her new shed mates.

When Molly first came to the North Western Railway, Emily laughed at her for having to haul "empties" to the coaling plant and her feelings were hurt.

It was not long until Diesel took Gordon's special coaches away and Emily chased after him because he was usually being devious. She couldn't catch him anywhere and that made her feel silly. She told the Fat Controller what had happened. She scolded Diesel for taking the coaches when he was feeling ill. Diesel told her that he set a record too and Emily was surprised that he set a new record and Diesel explained to her that he shunted trucks one day than any other diesel. Later, Emily got a new diesel motor for Diesel. Emily apologised to Diesel that she did not listen and both diesels and steamies are both special.

Emily thought that Whiff was smart and useful, then she was horrified to see that he was smelly, but decided to do her job. Gordon, James, Henry, Molly, Neville and Murdoch laughed at her for working with Whiff and she was tired for being teased. Then she saw Spencer looking very cross and he explained to her that his way was blocked with all those smelly rubbish trucks. Emily pulled as hard as she could, but the trucks were much too heavy for her to move on her own. She asked Gordon and James to help her, but they both disagreed with her and she got upset, then she found Whiff and apologised to him that she ran away from him and they got to work. They moved the rubbish trucks away, so that Spencer can be on his way and she said that Whiff is her new friend too.

Like most engines, Emily can get quite puffed up in the smokebox. When she was called "Excellent Emily," she ignored the advice of Murdoch, Thomas and Duck. This ended up getting herself into trouble and she later took their advice to get her job done.

Emily tries her best to make her friends happy. When she assumed that Mavis was sad, she took flowers to the quarry which only created a mess. When she tried to help her friends with the football/soccer match, she neglected to fetch the dirty washing which turned out to be the football team's uniforms. Also, when the Fat Controller lost his top hat, Emily went to find it without success and then took the special Christmas train without permission. However, she made amends for her friends' sake.

Emily later took Paxton to Vicarstown Dieselworks after he was damaged during an accident at the Blue Mountain Quarry.

When Thomas hid his snowplough, Emily had to do Thomas' work and saved him when he got stuck in the snow again.

Thomas told Emily about the Flatbeds of Fear, but Emily did not believe in it and said there was a sensible explanation. She eventually believed in it, until Thomas told her that it was just one of Salty's tall tales. Later, she was very excited to collect a special which was a giant model of a globe of the world to take it to the Animal Park. However, it accidentally fell off and she spent some time chasing after it.

When the other engines tried to clear the tracks of snow for Connor to deliver the last train for Christmas, Emily was unable to clear them from the Sodor side. She was soon happy to see Hiro as he cleared it from the other direction and was later disappointed when they mistook Harold for Father Christmas by believing his red port lamp to be Rudolph's nose.

After Emily was informed by Paxton about the rumour that Toby was to be scrapped, Henrietta overheard this and knew it was not true. Emily took her to find Toby and once they found him safe, Emily gave him some of her coal.

When Henry confided in Emily that he feared catching chickenpox from Stephen and Bridget, she assured him that he could not get chickenpox and joked that he worries too much.

Emily became fascinated with Caitlin being able to go at such high speeds and wondered what it would be like to be fast, becoming depressed when she could not do so. However, in the end, she managed to save Caitlin who descended down a steep hill with broken brakes.

When Thomas was fed up with Diesel's selfishness during the holidays, Emily partook in Thomas' plan to mend the diesel's ways, much to her joy and amusement. She later attended the Earl's Christmas lunch with several other engines, including Thomas and a reformed Diesel.

Emily was one of the other Sodor engines that took part of the Great Railway Show and competed in the Best Decorated Engine Parade along with James, but the two lost to Rajiv. After Percy dropped out of the Shunting Challenge, she encouraged Thomas to take his place, declaring him Sodor's last chance to win.

Once, when the Fat Controller was ill, Dowager Hatt took charge of the railway. She assigned Emily to Thomas' job of pulling Annie and Clarabel while Gordon was assigned to her job of taking scrap to the scrapyards. This resulted in lots of confusion and delay, culminating with a massive hold up outside of Knapford. Emily pointed this out to the Dowager and was able to help her get things back on track before the Fat Controller returned.

Later, Emily helped Donald and Douglas pull a heavy train of steel pipes to Vicarstown, but the journey became difficult when the twins kept teasing each other and arguing about swapping places. When they stopped on Gordon's Hill, Emily was left holding the train while Donald and Douglas continued to bicker. Eventually, Emily slipped down the hill and was knocked off the rails by a giant, heavy snowball, which had formed from a lump of coal shaken out of Donald's tender when Douglas bumped him. Once Harvey had cleared up the mess, Emily took the front while both twins pushed and they reached Vicarstown without any further trouble.

Following a storm on the Island of Sodor, Emily took the Sodor Rangers on a camping trip to Callan Castle, so that Nia had more time to finish her shunting in the yards. After going over bumpy and flooded tracks, Emily ended up derailing whilst trying to get a fallen tree off of the line. Later that night, Nia brought her the truck of camping supplies she had forgotten to pick up from the yards - fortunately, the Rangers were able to set up a camp using the survival skills they had learned. Emily and Nia stayed with them throughout the night and the next morning she was put back onto the tracks.

One time at Tidmouth Town Square, an unveiling of a sand sculpture was to take place. The Fat Controller sent the Steam Team off in pairs to help out. Emily didn't have anyone to work with and felt left out of not having a best friend. She got so distracted trying to find one that she nearly forgot about her job of delivering the final load of sand to finish off the sand sculpture. When Emily went back for it, her trucks were missing. She went to the unveiling and informed Thomas. Luckily, Thomas noticed Emily forgot her trucks, so he delivered them for her. Emily, feeling relieved, thanked Thomas and was happy to be surrounded by such good friends.

After fetching Rocky to save multiple engines from an accident, the Fat Controller rewarded her actions by making her the railway's official "safety engine" in addition to painting a number twelve on Emily.


Emily was introduced as being kind, caring, helpful, mature, compassionate and always sensitive to the feelings of others. If she wrongs someone, knowingly or not, she is quick to apologize. She has an occasional habit of being fussy, bossy, rebellious and rude to others, such as not saying "Thank you" to Trevor and annoying Elizabeth over a fallen water tower, causing havoc whilst pulling the express, being rude to Edward, and pestering Thomas over getting his snowplough fitted. She strove to be the best and sometimes caused mishaps, but always made up for them when she realized her errors.

Along with shades of overconfidence, she often acts as a voice of reason, particularly when James gets too big for his wheels, or when a friend needs moral support. She has also been shown to be adaptable, able to think of a plan in a moment's notice. She is somewhat prone to jealousy or feelings of inadequacy, often longing for more excitement in her life when she hears of others' adventures, or for the same talents as them.


Emily is based on a Great Northern Railway (GNR) G3 Stirling Single 4-2-2. Designed by Patrick Stirling in 1870 with 8ft 1in driving wheels and outside cylinders, these engines were specifically built for high speed expresses between London and York. These engine were also capable of hauling 280 ton trains at 50 mph, though they could reach 85 mph on lighter services. A total of fifty-three engines were built at Doncaster between 1870 and 1895, in three series: the 42 G class engines between 1870 and 1893, the 5 G2s in 1884 featuring helical driving wheel springs and the 6 G3s between 1894 and 1895, of which Emily is one, featuring the latest Stirling boiler and an updated cab. The last was withdrawn in 1916. The only surviving member of all three classes (G class No. 1) is on display at the National Railway Museum. The engine in preservation carried a small capacity Sturrock tender, which was given in it's first restoration in 1910. Recently, a derelict original Stirling Single tender used as a water and sludge carrier was found in Peterborough and, after restoration, was paired with the engine in 2014.


Emily is painted emerald green with yellow lining and brass fittings. Her running-boards are painted chocolate brown and her buffers were originally bronze, but have since turned silver. For the Great Railway Show, gold trim and flowers were added to her livery for her participation in the best-decorated engine parade. After she returned to Sodor, she was painted into her original livery.

From the Stories From Sodor:Future fifth season episode, Emily Saves the Day onwards, Emily has her number 12 painted on the middle square on the sides of her tender in tan with chocolate brown borders.