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LEGO Train Tech

Comprehensive Train Resource

7,102 topics in this forum

  1. LEGO Trains 2026 1 2 3 4 7

    By Vilhelm22,   
    • 162 replies
    • 30.4k views

  2. Lego Powered Up Pocket Book 1 2

    By idlemarvel,
    • 33 replies
    • 24.9k views

  3. Trains in 4-Wide 1 2 3 4 11

    By JopieK,
    • 265 replies
    • 106.8k views

  4. TRAIN TECH Registry 1 2 3 4 38

    By WesternOutlaw,   
    • 946 replies
    • 330.6k views

  5. The last guide you will need to repair Lego Train 9v Connectors

    By BatteryPoweredBricks,
    • 24 replies
    • 30.3k views

  6. TRAIN TECH Help, General Questions & Talk to the Staff 1 2 3 4 24

    By WesternOutlaw,   
    • 578 replies
    • 144.3k views

  7. Track transition curves

    By witchy,
    • 24 replies
    • 10.8k views

  8. Maximizing integrated use of the Powered Up Hub 1 2

    By Desvejk,
    • 25 replies
    • 29.9k views

  9. Central Station - the Train Tech Master Index

    By WesternOutlaw,   
    • 0 replies
    • 110.7k views

  10. [MOD] [Instructions] #60511 Tank Engine MOD

    By sebulba56,   
    • 13 replies
    • 186 views

  11. Train magnets and the quest for the new unobtanium

    By Cheeseyfeet and Oreo,
    • 13 replies
    • 661 views

  12. My HSB in 1:41 Scale

    By Brockenlok,   
    • 12 replies
    • 544 views

  13. [MOC] HŽPP 6112-101 EMU manufactured by Končar

    By Ashi Valkoinen,
    • 18 replies
    • 5.8k views

  14. Flying Scotsman 4472 - 4-6-2 LNER A3 class steam locomotive and four 1930s passenger coaches - updated digital pics 6/3/26

    By Murdoch17,   
    • 13 replies
    • 1.3k views

  15. [MOC] Barton-Wright 0-4-4T

    By PossumPatrol,
    • 12 replies
    • 334 views

  16. Fx Bricks (Michael Gale) announces Fx Track system 1 2 3 4 33

    By HoMa,
    • 823 replies
    • 211.8k views

  17. Bricklink Designer Program Trains Sets | 2024 & Beyond 1 2 3 4 5

    By RedBrick1,   
    • 100 replies
    • 15.7k views

  18. Sliding tender wheelsets for curves.

    By Modeltrainman,
    • 15 replies
    • 701 views

  19. FX Steed Controller Technical data

    By BrickTronic,
    • 3 replies
    • 373 views

  20. 12V Signal switch dissassembly and repair 1 2

    By Andromeda,   
    • 29 replies
    • 16.1k views

  21. [MOC] Regional Train Station

    By Daiman,
    • 13 replies
    • 871 views

  22. MOC: NSB Di7 with carriages 1 2

    By HenrikLego,
    • 32 replies
    • 13.5k views

  23. [MOC] The iron Sovereign 1 2

    By Darkkostas25,   
    • 25 replies
    • 1.1k views

  24. hi rail railroad MOW vehicles x2 - pickup truck and defect detector van - real world MOCs

    By Murdoch17,   
    • 6 replies
    • 300 views

  25. Are the big train wheels (24/29mm like in 7750) available as 3D printable files?

    By AnnaS,
    • 4 replies
    • 669 views

  26. Big Ben Bricks is closing 1 2

    By benfleskes,
    • 46 replies
    • 12.4k views

  27. [MOC] Nickel Plate Road S-2 2-8-4 763 1 2

    By Glenn Holland,   
    • 27 replies
    • 7.8k views

  28. Control all your Powered Up & Power Function (SBrick) devices with a single software 1 2 3 4 30

    By Cosmik42,   
    • 748 replies
    • 177.5k views

  29. 12 volt layout chaos

    By 12vtrain77,
    • 12 replies
    • 811 views

  30. [MOC] Classic Train 1 2

    By zephyr1934,
    • 34 replies
    • 1.7k views

  31. Missouri Kansas Texas Railroad 4-4-0 steam locomotive - Katy 311 - real world MOC of real steam engine - updated 5/23/26

    By Murdoch17,   
    • 10 replies
    • 479 views

  32. Route'n Go coaster train

    By Diamabolo,
    • 8 replies
    • 523 views

  33. 10020 Santa Fe Super Chief B Unit Question

    By Jacobs Bogie Drifter,
    • 5 replies
    • 410 views

  34. Just finshied building 7760

    By 12vtrain77,
    • 9 replies
    • 584 views

  35. DRC42 Railcar

    By Daiman,
    • 4 replies
    • 351 views

  36. A pair of Unstoppable train MOCs - diesel locomotives 777 and 1206 from the 2010 film 'Unstoppable' - real world MOCs (updated 5/19/26)

    By Murdoch17,   
    • 12 replies
    • 870 views

  37. [MOC] Danish Rubber Noses - An Ongoing Saga

    By Nikonissen,
    • 8 replies
    • 541 views

  38. [MOC] Cavalcade of five 7-wide locomotives

    By Selander,   
    • 16 replies
    • 636 views

  39. [MOC] Baureihe 56.2

    By Thomas Waagenaar,
    • 24 replies
    • 1.4k views

  40. [MOC] Millennium Underground Railway

    By Reaper_Designs,
    • 14 replies
    • 721 views

  41. [BDP11] The Sakura Express Shinkansen

    By sebulba56,   
    • 7 replies
    • 493 views

  42. [MOC][WIP] Intermodaltransport System "Modalohr" 1 2

    By Ts__,   
    • 31 replies
    • 1.8k views

  43. [MOC] [STUD.IO] Type-442 'Cobalt'

    By Darkkostas25,   
    • 8 replies
    • 441 views

  44. A Layout in Three Eras - 4.5v, 9v and 12v - Module 15 complete 1 2 3 4

    By Andy Glascott,   
    • 91 replies
    • 48.2k views

  45. [MOC] Dublin Luas - Alstom Citadis tram 1 2

    By Duq,   
    • 32 replies
    • 7.1k views

  46. Repairing PoweredUp and PowerFunctions train motors.

    By slagbijnieuwpoort1600,
    • 3 replies
    • 460 views

  47. [MOC] [Instructions] GWR Small Prairie steam engine

    By sebulba56,   
    • 17 replies
    • 1.7k views

  48. Renfe 309 Shunting Locomotive powered with Circuit Cubes [WIP] [MOC] 1 2

    By Imanol,   
    • 41 replies
    • 2.7k views

  49. Tank container with intermodal wagon

    By German Luigi,   
    • 11 replies
    • 9.2k views

  50. 9v Switch Help

    By Salix12,
    • 7 replies
    • 546 views
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