C.Syde's Thomas and Friends Pairings

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Although I'm not really into the Thomas and Friends series anymore as a whole, due to being grown up, I still have happy memories of when I was still into the series. And I still like the engine prototypes the characters are based on.
But anyway, here's a list of my favourite pairings of the Thomas and Friends characters. Many of these pairings are ones that I have put together myself. While other pairings are ones that have been commonly used by fans of the series.
==Friendship Thomas and Friends Pairings==
Character 	Picture	Character 	Picture	Reason for Pairing
Henry 	 	Big City Engine 	 	Both engines are male, have green livery, are standard gauge engines, are a similar shape, can reach 90 miles an hour, are steam tender engines, have short funnels, six coupled wheels, square windows, belpaire fireboxes, square cylinders, round buffers, red buffer beams, wheel arches, red stripes, silver handrails, and the wheel configuration.
Henry 	 	Rex 	 	Both engines are male, have green livery, are steam tender engines, have short funnels, square windows, square cylinders, red buffer beams, red stripes, silver handrails, green wheels, and black cab rooftops.
Henry 	 	Flying Scotsman 	 	Both engines are male, have the same green livery, are standard gauge engines, are a similar shape, have handrails, are steam tender engines, have short funnels, six coupled wheels, square cylinders, round black buffers, red buffer beams, wheel arches, stripes, green wheels, red frames, black cab rooftops, and white lamps on their right lamp irons.
Gordon 	 	Bert 	 	Both engines are male, have blue livery, are steam tender engines, have short funnels, square windows, tapered fireboxes, square cylinders, square buffers, red buffer beams, red stripes, double-window cabs, silver handrails, blue wheels, red frames, and black cab rooftops.
George HughesThis is just a fan-made name for The Second Red Tender Engine which I gave him since it's the name of his designer. He does not have an actual name, nor has it been confirmed whether he even has a gender.	 	James 	 	Both engines are male, have the same red livery, are standard gauge engines, are the same shape, can reach somewhere between 70 and 80 miles an hour, are steam tender engines, have six coupled wheels, square windows, belpaire fireboxes, round buffers, red buffer beams, wheel arches, stripes, fowler tenders, fourteen wheels, red frames, black cab rooftops, and the wheel configuration. They also share the same .
Thomas 	 	Sir Handel 	 	Both engines are male, have blue livery, are steam tank engines, have six wheels, round windows, round black buffers, red buffer beams, wheel arches, black cab rooftops, red lining, and white lamps on their right lamp irons.
Thomas 	 	Mighty 	 	Both engines are male, have blue livery, are a similar shape, are steam side tank engines, have tall domes, black buffers, red buffer beams, stripes, red frames, black cab rooftops, and red lining.
James 	 	Skarloey 	 	Both engines are male, have red livery, are steam engines, have round black buffers, red buffer beams, wheel arches, silver handrails, red frames, and black wheels.
James 	 	Mike 	 	Both engines are male, have red livery, are steam tender engines, have brass domes, square windows, red buffer beams, silver handrails, red frames, black cab rooftops, and white lamps. Mike's 1998 wooden railway model has sometimes been confused for James by people that were unfamiliar with the lesser known characters from the series.
James 	 	Duke 	 	Both engines are male, have similar coloured livery (red in James' case and orange-brown in Duke's case), are steam tender engines, have black wheels, red buffer beams, and silver handrails. If one were to assume that Falcon and Stuart were the Mid Sodor Railway equivalents of Thomas and Percy, respectively, then one can also assume that Duke would have been the Mid Sodor Railway equivalent of James.
Bertie 	 	Bulgy 	 	Both buses are male, have red livery, are a similar shape, have four red wheels, square windows, red roofs, and clear lights.
Percy 	 	Peter Sam 	 	Both engines are male, have green livery, are steam saddle tank engines, have four coupled wheels, round windows, cylinders, round black buffers, red buffer beams, black cab rooftops, red lining, and white lamps on their right lamp irons.
Trevor 	 	Duck 	 	Both engines are male, have green livery, are steam engines, and have rear bunkers.
Trevor 	 	George 	 	
Trevor 	 	Fergus 	 	
Skarloey 	 	Ivo Hugh 	 	Both engines are male, have red livery, are narrow gauge engines, are steam tank engines, have side bunkers, four coupled wheels, cylinders, round buffers, red buffer beams, six wheels, and red frames. Because the first picture I saw of Ivo Hugh's 2002 prototype wooden railway model wasn't very clear, I once erroneously believed that he had the number 1 just like Skarloey.
Rheneas 	 	Duncan 	 	Both engines are male, have warm coloured livery, are narrow gauge engines, are a similar shape, can reach somewhere between 20 and 35 miles an hour, are steam well tank engines, have side bunkers, tall funnels, tall domes, four black coupled wheels, cylinders, round black buffers, red buffer beams, red frames, black cab rooftops, white lamps on their right lamp irons, and the wheel configuration.
Rheneas 	 	Albert 	 	Both engines are male, have similar coloured livery (vermilion in Rheneas' case and red in Albert's case), are a similar shape, are steam tank engines, have tall domes, four coupled wheels, round buffers, red buffer beams, and black cab rooftops.
Sir Handel 	 	Albert 	 	Both engines are male, have blue livery, are narrow gauge engines, are steam saddle tank engines, have side bunkers, tall funnels, two domes, four coupled wheels, red buffer beams, wheel arches, silver handrails, six black wheels, black cab rooftops, and the wheel configuration. They also share the same and used to work on the Mid Sodor Railway.
Sir Handel 	 	Wilbert 	 	Both engines are male, have dark blue livery, are steam saddle tank engines, have six black wheels, red buffer beams, silver handrails, and red lining.
Peter Sam 	 	Smudger 	 	Both engines are male, have green livery, are narrow gauge engines, are steam tank engines, have side bunkers, black four coupled wheels, round windows, cylinders, round black buffers, red buffer beams, and black cab rooftops.
Duck 	 	Culdee 	 	Both engines are male, are a similar shape, are steam tank engines, have tall funnels, tall domes, six black wheels, red buffer beams, and black cab rooftops.
Duck 	 	Neil 	 	Both engines are male, have green livery, are standard gauge engines, are steam tank engines, have tall funnels, black wheels, round black buffers, and red buffer beams.
Duck 	 	Fearless Freddie 	 	Both engines are male, are a similar shape, are steam tank engines, have tall domes, six coupled wheels, round windows, round black buffers, red buffer beams, black wheels, and black cab rooftops.
Big City Engine 	 	Flying Scotsman 	 	Both engines are male, have green livery, are standard gauge engines, are a similar shape, are steam tender engines, have short funnels, large domes, six coupled wheels, square windows, black smoke deflectors, square cylinders, round buffers, red buffer beams, wheel arches, stripes, and handrails.
Big City Engine 	 	Murdoch 	 	Both engines are male, are standard gauge engines, are a similar shape, can reach 90 miles an hour, are steam tender engines, have short funnels, large domes, square windows, black smoke deflectors, belpaire fireboxes, square cylinders, round buffers, red buffer beams, stripes, and silver handrails.
City of Truro 	 	Donald 	 	Both engines are male, have dark livery, are standard gauge engines, are a similar shape, are steam tender engines, have black wheels, round buffers, red buffer beams, silver handrails, and black cab rooftops.
City of Truro 	 	Douglas 	 	Both engines are male, have dark livery, are standard gauge engines, are a similar shape, are steam tender engines, have black wheels, round buffers, red buffer beams, silver handrails, and black cab rooftops.
Devious Diesel 	 	Iron 'Arry 	 	Both engines are male, are standard gauge engines, are the same shape, can reach somewhere between 20 and 30 miles an hour, are diesel-electric shunters, have six black coupled wheels, round black buffers, and the wheel configuration. They also share the same .
Devious Diesel 	 	Iron Bert 	 	Both engines are male, are standard gauge engines, are the same shape, can reach somewhere between 20 and 30 miles an hour, are diesel-electric shunters, have six black coupled wheels, round black buffers, and the 0-6-0DE wheel configuration. They also share the same basis.
Devious Diesel 	 	Splatter 	 	Both engines are male, are standard gauge engines, are the same shape, can reach somewhere between 20 and 30 miles an hour, are diesel-electric shunters, have six black coupled wheels, round buffers, and the 0-6-0DE wheel configuration. They also share the same basis.
Devious Diesel 	 	Dodge 	 	Both engines are male, are standard gauge engines, are the same shape, can reach somewhere between 20 and 30 miles an hour, are diesel-electric shunters, have six black coupled wheels, round buffers, and the 0-6-0DE wheel configuration. They also share the same basis.
Duncan 	 	Stepney 	 	Both engines are male, have similar coloured livery (golden yellow in Duncan's case and goldenrod in Stepney's case), are a similar shape, are steam tank engines, have tall funnels, tall domes, round buffers, red buffer beams, red frames, and white lamps on their right lamp irons.
Donald 	 	Neville 	 	Both engines are male, have the same black livery, are standard gauge engines, are steam tender engines, have six coupled wheels, round black buffers, red buffer beams, twelve wheels, and black cab rooftops.
Douglas 	 	Neville 	 	Both engines are male, have the same black livery, are standard gauge engines, are steam tender engines, have six coupled wheels, round black buffers, red buffer beams, twelve wheels, and black cab rooftops.
N. W. Brakevan 	 	Toad 	 	Both brakevans are male, have grey livery, four black wheels, dark grey buffer beams, dark grey frames, and round buffers.
George 	 	Buster 	 	Both steamrollers are male, are almost the same shape, can reach 15 miles an hour, have rear bunkers, very tall funnels, three rollers, one flywheel, and white cab rooftops. George is based on an while Buster is based on an .
Adams 	 	Oliver 	 	Both engines are male, have green livery, are standard gauge engines, are a similar shape, are steam side tank engines, have rear bunkers, green four coupled wheels, square windows, round black buffers, red buffer beams, silver handrails, and black cab rooftops.
Caroline 	 	Diesel 199 	 	
Diesel 261 	 	Diesel 199 	 	Both engines are male, are standard gauge engines, are almost the same shape, can reach 90 miles an hour, are diesel-electric engines, have sixteen wheels, round buffers, red buffer beams, yellow warning panels on their fronts and rears, and the wheel configuration. Both engines were also paired up together in a magazine story.
Diesel 261 	 	Diesel 40125 	 	Both engines are male, are standard gauge engines, are the same shape, can reach 90 miles an hour, are diesel-electric engines, have sixteen wheels, red buffer beams, yellow warning panels on their fronts and rears, and the wheel configuration. They also share the same .
Diesel 261 	 	Derek 	 	Both engines are male, have the same green livery, are standard gauge engines, are diesel-electric engines, have black wheels, red buffer beams, yellow warning panels on their fronts and rears, and black rooftops.
Diesel 261 	 	Diesel 10 	 	Both engines are male, are standard gauge engines, are almost the same shape, can reach 90 miles an hour, are diesel engines, have black wheels, and red buffer beams.
Culdee 	 	Neil 	 	Both engines are male, are steam tank engines, have tall funnels, black wheels, red buffer beams, and four coupled wheels.
Culdee 	 	Wilbert 	 	Both engines are male, have similar coloured livery (purple in Culdee's case and blue in Wilbert's case), are steam tank engines, have six black wheels, square windows, and red buffer beams.
Culdee 	 	Mighty 	 	Both engines are male, are narrow gauge engines, are steam tank engines, have black four coupled wheels, square windows, red buffer beams, and black cab rooftops. They both have a face on each end. In Culdee's case, so that he can keep a lookout when climbing mountains, and in Mighty's case, because he is a double-ended engine.
Culdee 	 	Mac 	 	Both engines are male, are narrow gauge engines, are steam tank engines, have black four coupled wheels, square windows, red buffer beams, and black cab rooftops. They both have a face on each end. In Culdee's case, so that he can keep a lookout when climbing mountains, and in Mac's case, because he is a double-ended engine.
Culdee 	 	Fearless Freddie 	 	Both engines are male, are narrow gauge engines, are a similar shape, are steam tank engines, have tall domes, black wheels, red buffer beams, and black cab rooftops.
Bill 	 	Wilbert 	 	Both engines are male, are standard gauge engines, are a similar shape, are steam saddle tank engines, have square windows, round buffers, red buffer beams, red lining, and silver handrails.
Ben 	 	Wilbert 	 	Both engines are male, are standard gauge engines, are a similar shape, are steam saddle tank engines, have square windows, round buffers, red buffer beams, red lining, and silver handrails.
BoCo 	 	Derek 	 	Both engines are male, have green livery, are standard gauge engines, are mixed-traffic diesel-electric engines, have black wheels, square windows, square buffers, and red buffer beams. Both diesels appeared alongside each other in the episode 'Double Teething Troubles'. Although the interaction was brief, in 2002 when I first watched the episode, I jumped to an erroneous conclusion that BoCo favoured Derek over Bill and Ben simply because he was a diesel and because he wasn't mischievous.
Sodor Chain Load Undercut 	 	Butch 	 	
Sodor Chain Load Undercut 	 	Whiff 	 	Both engines are male, are standard gauge engines, and wear glasses.
Diesel 199 	 	Diesel 40125 	 	Both engines are male, have the same blue livery, are standard gauge engines, are almost the same shape, can reach 90 miles an hour, are diesel-electric engines, have sixteen black wheels, black buffers, red buffer beams, yellow warning panels on their fronts and rears, yellow faces, grey rooftops, numbers painted on their cabs in white, and the wheel configuration.
Diesel 199 	 	Spencer 	 	Both engines are male, have light livery, are standard gauge engines, are a similar shape, and have round buffers.
Oliver 	 	Whiff 	 	Both engines are male, have green livery, are standard gauge engines, are steam side tank engines, have rear bunkers, four coupled wheels, round black buffers, red buffer beams, green wheels, and black cab rooftops.
Duke 	 	Bertram 	 	Both engines are male, have brown livery, are narrow gauge engines, are the same shape, can reach somewhere between 35 and 40 miles an hour, are steam saddle tank tender engines, have tall funnels, two domes, four coupled wheels, round windows, red buffer beams, silver handrails, eight black wheels, and the 0-4-0ST+T wheel configuration. They also share the same , as well as the same model in the television series, though I initially would have thought that Bertram's model was a replica of Duke's instead of being Duke's model repainted.
Duke 	 	Murdoch 	 	Both engines are male, have similar coloured livery (orange-brown in Duke's case and dull orange in Murdoch's case), are steam tender engines, red buffer beams, and silver handrails.
Blue Farm Tractor 	 	Fergus 	 	
Frank 	 	Wilbert 	 	Both engines are male, have black wheels, square windows, round silver buffers, red buffer beams, and headlamps. Both engines were created by for The Railway Series in the early 90's, and so far neither of them have appeared in the television series. Both engines were introduced to the wooden railway toy range in 2001, had almost the same product code (LC99164 for Frank and LC99163 for Wilbert), and were discontinued in 2002.
Frank 	 	Bertram 	 	Both engines are male, have black wheels, red buffer beams, and red lining. Both engines were created and introduced during the 90's, and introduced to the wooden railway toy range in the early 2000's.
Frank 	 	Splatter 	 	Both engines are male, have grey livery, are diesel engines, have black wheels, square windows, round buffers, and headlamps. Both engines were introduced to the wooden railway toy range in the early 2000's, and had almost the same product code (LC99164 for Frank and LC99166 for Splatter)
Frank 	 	Dodge 	 	Both engines are male, have grey livery, are diesel engines, have black wheels, square windows, round buffers, and headlamps. Both engines were introduced to the wooden railway toy range in the early 2000's, and had almost the same product code (LC99164 for Frank and LC99165 for Dodge)
Frank 	 	Dennis 	 	Both engines are male, have grey livery, are diesel-mechanical shunters, have square windows, round buffers, red buffer beams, and grey cab rooftops. They also have almost the same product code (LC99164 for Frank and LC99064 for Dennis) in the wooden railway toy range.
Wilbert 	 	Bertram 	 	Both engines are male, have dark livery, are steam saddle tank engines, have black wheels, red buffer beams, silver handrails, dark frames, and red lining. Due to these similarities, I would have Wilbert and Bertram claim to be 'brothers' in my wooden railway gameplay, even though I always knew that they were not really brothers. They also have almost the same product code (LC99163 for Wilbert and LC99153 for Bertram with Scrap Cars) in the wooden railway toy range.
Butch 	 	Iron Bert 	 	
Derek 	 	Salty 	 	Both engines are male, are standard gauge engines, are a similar shape, are diesel-electric engines, have black wheels, square windows, black buffers, and black cab rooftops. Due to the similarities in their shapes, there was one child that saw Derek's 2001 wooden railway model and immediately assumed that he was Salty, because of his shape.
Iron 'Arry 	 	Dodge 	 	Both engines are male, have similar coloured livery, buffer beams, and frames (green-grey in 'Arry's case, and grey in Dodge's case), are standard gauge engines, are the same shape, can reach somewhere between 20 and 30 miles an hour, are diesel-electric shunters, have six black coupled wheels, round buffers, similar coloured fronts and cabs (yellow in 'Arry's case and olive green in Dodge's case), and the 0-6-0DE wheel configuration. They also share the same basis. Because Dodge's model is repainted from 'Arry or Bert's model, their livery can be faintly seen underneath Dodge's livery.
Iron 'Arry 	 	Salty 	 	Both engines are male, are standard gauge engines, are diesel-electric shunters, round buffers, six coupled wheels, and yellow hazard stripes on their fronts.
Diesel 10 	 	Salty 	 	Both engines are male, are standard gauge diesel engines, are diesel engines, have black buffers, and warning stripes on their sides.
Diesel 10 	 	Harvey 	 	Both engines are male, are standard gauge engines, and have some form of attachment. A non-regulation hydraulic claw in Diesel 10's case and a crane arm in Harvey's case.
Lady 	 	Emily 	 	
Salty 	 	Harvey 	 	Both engines are male, are standard gauge engines, have square windows, and black cab rooftops. Both engines were introduced to the Thomas and Friends series around the same time, and had almost the same product code (LC99174 for Salty and LC99175 for Harvey) in the wooden railway toy range.
Harvey 	 	Arthur 	 	Both engines are male, have similar coloured livery and wheels (maroon in Harvey's case, and crimson or burgundy in Arthur's case), are standard gauge engines, are steam tank engines, have square windows, cylinders, red buffer beams, black cab rooftops, and yellow lining.
Elizabeth 	 	Isobella 	 	Both lorries are female, are the same shape apart from their respective three-way tippers and flatbeds, can reach somewhere between 45 and 50 miles an hour, are sentinel steam lorries, have short funnels, four wheels, square windows, red frames, and round white headlights. They also share the same .
Emily 	 	Molly 	 	Both engines are female, are standard gauge engines, are a similar shape, are steam tender engines, have fourteen wheels, round buffers, red buffer beams, wheel arches, stripes, handrails, and big wheels.
Fergus 	 	Arthur 	 	Both engines are male, are standard gauge engines, are steam engines, have rear bunkers, round buffers, red buffer beams, and golden stripes. Both engines were introduced to the Thomas and Friends series around the same time, and had almost the same product code (LC99124 for Fergus and LC99125 for Arthur) in the wooden railway toy range.
Arthur 	 	Murdoch 	 	Both engines are male, have warm coloured livery, are standard gauge engines, are steam engines, have square windows, belpaire fireboxes, square cylinders, round black buffers, red buffer beams, golden stripes, and black cab rooftops. Their wooden railway models also have the same chassis arrangement consisting of front bogies that are fixed in place and cannot move.
Arthur 	 	ElliotThis is just a fan-made character which I created sometime during Term 3 2005, probably sometime in September if I remember correctly. Elliot isn't actually a canon Thomas character.	 	Both engines are male, have similar coloured livery and wheels (crimson or burgundy in Arthur's case and red in Elliot's case), are standard gauge engines, are a similar shape, are mixed-traffic steam side tank engines, have rear bunkers, six coupled wheels, belpaire fireboxes, round buffers, stripes, and yellow lining.
Spencer 	 	Dennis 	 	Both engines are male, have similar coloured livery and wheels (silver in Spencer's case and light grey in Dennis' case), are standard gauge engines, have six coupled wheels, square windows, and round buffers. Their TOMY models were quite similar looking from a distance to those that weren't paying close attention to the different details in their models which was the primary reason I decided to pair Spencer and Dennis together.
Elliot 	 	Albert 	 	Both engines are male, have red livery and wheels, are standard gauge engines, are a similar shape, are steam side tank engines, have rear bunkers, tall domes, round windows, and round buffers.
Proteus 	 	Fearless Freddie 	 	Both engines are male, have light livery, are narrow gauge engines, are steam tank engines, have side bunkers, black wheels, square cylinders, round buffers, red buffer beams, and black cab rooftops.
Albert 	 	Whiff 	 	Both engines are male, are standard gauge engines, are a similar shape, are steam side tank engines, have rear bunkers, tall funnels, tall domes, four coupled wheels, round windows, round buffers, red buffer beams, eight wheels, red frames, and black cab rooftops.
==Romantic Thomas and Friends Pairings==
Character 	Picture	Character	Picture	Reason for Pairing
Toby 	 	Mavis 	 	Both engines have dark livery, are standard gauge engines, are tram engines, have six black wheels, square windows, round black buffers, red buffer beams, cowcatchers, side plates, and headlamps. Toby was also the first engine to appear onscreen with Mavis since her arrival on the Island of Sodor.
Rheneas 	 	Lady 	 	Both engines have similar coloured livery (vermilion in Rheneas' case and red-violet in Lady's case), are a similar shape, are steam tank engines, have tall funnels, tall domes, four coupled wheels, round buffers, and lamps. Also Lady's ERTL prototype model was a repaint of Rheneas and Smudger's model, which served as a contributing factor to my decision to pair Rheneas and Lady together.
City of Truro 	 	Emily 	 	Both engines have dark green livery, are standard gauge engines, are a similar shape, are steam tender engines, have brass safety valves, fourteen wheels, round buffers, red buffer beams, wheel arches, stripes, and handrails. When I first saw Emily's 2004 wooden railway model from a distance inside Toyworld, I briefly believed her to be the City of Truro, as I didn't know about the characters introduced in Series 7 yet.
Devious Diesel	 	Mavis 	 	Both engines are diesel shunters, have black livery, are standard gauge engines, have round black buffers, red buffer beams, black frames, and six black wheels.
Douglas 	 	Emily 	 	Both engines have dark livery, are standard gauge engines, are a similar shape, are steam tender engines, have round windows, round buffers, red buffer beams, and handrails. I decided to ship Douglas and Emily instead of Donald and Emily because I felt that Douglas' two digit number on his tender was ever so slightly more comparable to the squares on Emily's tender, than Donald's one digit number on his tender was.
BoCo 	 	Daisy 	 	Both engines have green livery, are standard gauge engines, are a similar shape, can reach 70 miles an hour, are diesel engines, have black wheels, square windows, and red buffer beams. They also shared the same chassis and cross face mask in the television series. When I first watched the episode 'The Diseasel' in 2001, I was confused since I didn't expect him to be wearing Daisy's cross face mask but without the makeup. When he introduced himself, I was like 'Ah yes, he's that other green diesel in the Series 2 nameboard sequences'.
Oliver 	 	Molly 	 	Both engines have similar coloured livery and wheels (green in Oliver's case and yellow in Molly's case), are standard gauge engines, are a similar shape, are steam engines, have tall domes, four coupled wheels, square windows, round buffers, red buffer beams, wheel arches, and silver handrails.
Jock 	 	Molly 	 	Both engines have yellow livery, are a similar shape, are steam tender engines, have tall domes, square windows, round silver buffers, red buffer beams, stripes, silver handrails, red frames, and red lining.
Frank 	 	Mavis 	 	Both engines have achromatic coloured livery, are a similar shape, are diesel-mechanical engines, have black wheels, square windows, round buffers, red buffer beams, and headlamps. Their wooden railway models being almost the same shape was the primary reason I decided to pair Frank and Mavis together.
Iron 'Arry 	 	Mavis 	 	Both have dark livery, are standard gauge engines, are diesel engines, have six black wheels, square windows, round buffers, yellow hazard stripes on their fronts, dark frames, and lamps.
Salty 	 	Mavis 	 	Both are standard gauge engines, are a similar shape, can reach somewhere between 27 and 30 miles an hour, are diesel engines, have six black wheels, have exhaust tubes / compressors, square windows, round buffers, yellow and black hazard stripes on their fronts and rears, silver handrails, black cab rooftops, and headlamps. Mavis was also one of the first engines to meet Salty when the latter was brought to the Island of Sodor.
Harvey 	 	Emily 	 	
Arthur 	 	Rosie 	 	Both are standard gauge engines, are a similar shape, are steam side tank engines, have similar shaped rear bunkers, black steam pipes, six coupled wheels, square windows, square cylinders, round black buffers, red buffer beams, red frames, and black cab rooftops.
Neville 	 	Emily 	 	Both engines have dark livery, are standard gauge engines, are steam tender engines, round buffers, and red buffer beams.
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==References==
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