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'Arry and Bert

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This article is about the Diesels. You may be looking for the steam engine.
"Pah! I could handle those diesels with bent buffers and a busted boiler!"
— James, Middle Engine, sixth season

'Arry and Bert
  • Class: BR Class 08
  • Designer: British Railways
  • Builder: Crewe, Darlington, Derby, Doncaster, or Horwich Works
  • Configuration: 0-6-0
  • Speed: 15-20 mph
  • Built: sometime between 1952 and 1962

'Arry and Bert are two gruff diesel twins who work for the Sodor Ironworks at the smelters.


'Arry and Bert are villainous troublemakers. They have tried to scrap Stepney, made Percy and James "middle engines", frighted Fergus away from the smelters, and made the engines believe Neville was planning to bump them. They also teased Henry because of the special coal he had to use by calling him "Mr. Special Steam". Nowadays they appear to be working at the Ffarquhar Quarry Company. According to merchandise bios, they also wish to scrap Oliver.


'Arry and Bert are unquestionably devious and scheming. Although at first they had a heartened dislike for steam engines, they appear to have grown accustomed to their smoke-puffing companions.


'Arry and Bert are BR Class 08 shunters. DieselThe Diesel ShunterSplatter, DodgePaxton and Sidney are also members of this class.


'Arry and Bert are painted green-grey with yellow hazard stripes on their fronts and rears with yellow cabs. They have "Sodor Ironworks" written on their sides in white.


Television series


They also appeared in a tenth season learning segment and a song.

Magazine Stories

Voice Actors




  • The two are not quite identical: Bert has more stubble.
  • 'Arry and Bert were made into CGI for the CGI test episode, Thomas and the Stinky Cheese.
  • In some merchandising, the twins are named "Iron 'Arry" and "Iron Bert".
  • 'Arry and Bert's Hornby models have Splatter and Dodge's faces.
  • The metallic release of 'Arry and Bert in Take-Along has a spelling error on the character card: it reads "'Arrt and Bert".
  • 'Arry and Bert have never been seen with drivers.
  • 'Arry and Bert's television series models don't have handrails but some of their merchandise lines do.
  • Some merchandise bios and even the Thomas and Friends website say 'Arry and Bert are called "The Grim Messengers of Doom" because of their grim job of melting down engines.
  • The 1998 official website called 'Arry and Bert "The Yellow Diesels".
  • A model of 'Arry and one of Bert are currently on display in Canada at Nitrogen Studios.
  • Another diesel engine, who looks exactly like 'Arry and Bert, is seen and mentioned in the video game, Right on Time.
  • In the CGI switchover, 'Arry and Bert's faces became slightly bigger.
  • In Season 12, 'Arry and Bert's faces were smaller.
  • In the television series, 'Arry and Bert were never specified as "twins", just "brothers".



Merchandise Gallery

North Western Railway
ThomasEdwardHenryGordonJamesPercyTobyDuckDonald and DouglasOliverBarryThe Austerity EngineThe Red EnginesDaisyBoCoBearThe Works DieselPip and EmmaPeel Godred Engines
HarveyEmilyFergusArthurMurdochMollyNevilleRosieWhiffBillyStanleyHankFloraVictorCharlieBash and DashFerdinandScruffBellePorterDerekDiesel 10'Arry and BertSaltyDennisDenDartSidneyPaxtonNormanFlynnWinstonStafford

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