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LEGO Train Tech

Comprehensive Train Resource

7,035 topics in this forum

  1. LEGO Trains 2026

    By Vilhelm22,   
    • 22 replies
    • 2.5k views

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

    By JopieK,
    • 265 replies
    • 98.7k views

  3. Lego Powered Up Pocket Book 1 2

    By idlemarvel,
    • 32 replies
    • 22.8k views

  4. TRAIN TECH Registry 1 2 3 4 38

    By WesternOutlaw,   
    • 946 replies
    • 312.5k views

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

    By BatteryPoweredBricks,
    • 24 replies
    • 26.6k views

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

    By WesternOutlaw,   
    • 578 replies
    • 133.8k views

  7. Track transition curves

    By witchy,
    • 24 replies
    • 9.2k views

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

    By Desvejk,
    • 25 replies
    • 28.4k views

  9. Central Station - the Train Tech Master Index

    By WesternOutlaw,   
    • 0 replies
    • 110.1k views

  10. [MOC] Awdry's Thomas Mk. 3 and Rapido Evolution Coaches (7W)

    By SerperiorBricks,
    • 2 replies
    • 183 views

  11. Stadler FLIRT

    By LEGO Train 12 Volts,
    • 11 replies
    • 491 views

  12. Holiday Train 10173 + Power Functions?

    By jamzee,
    • 9 replies
    • 9.1k views

  13. St. Louis, Iron Mountain and Southern Railway 635 - 4-6-0 steam engine - real world MOC of actual 1889 locomotive

    By Murdoch17,   
    • 2 replies
    • 164 views

  14. [MOC] Chemical Tank Cars

    By nimrod6134,
    • 6 replies
    • 330 views

  15. Lego Set 40777 can drive ;-)

    By Ts__,   
    • 12 replies
    • 500 views

  16. 7740 inspired MOC - 6w - Updated locomotive 1 2

    By LL1982,
    • 28 replies
    • 2k views

  17. Flying Scotsman 4472 - 4-6-2 LNER A3 class steam locomotive and five 1930s passenger coaches

    By Murdoch17,   
    • 6 replies
    • 323 views

  18. [MOC] [Instructions] Flying Scotsman 6-wide

    By sebulba56,
    • 17 replies
    • 759 views

  19. Cheaper alternative for lego set 10027

    By davidek_20,
    • 6 replies
    • 661 views

  20. small railroad water tower for steam locomotives - real world MOC with free LDD file!

    By Murdoch17,   
    • 2 replies
    • 257 views

  21. Railjet ÖBB 7wide

    By DAN42BR,
    • 12 replies
    • 538 views

  22. typical 1950s American freight train - real world MOCs of seven freight car types - updated 12/14/25

    By Murdoch17,   
    • 15 replies
    • 914 views

  23. Fx Bricks (Michael Gale) announces Fx Track system 1 2 3 4 30

    By HoMa,
    • 747 replies
    • 182.4k views

  24. The Black Hornet

    By Darkkostas25,   
    • 4 replies
    • 686 views

  25. New Controllers by Trixbrix (video)

    By ElGreco,
    • 13 replies
    • 1.8k views

  26. EMD FP45 diesel locomotive in Santa Fe warbonnet paint scheme - real world MOC

    By Murdoch17,   
    • 9 replies
    • 423 views

  27. MOC: xw falc's Steam Ranger 520

    By lightningtiger,
    • 6 replies
    • 4.3k views

  28. [MOC] LEGO HŽPP Končar 6211-001 battery-electric multiple unit

    By Ashi Valkoinen,
    • 14 replies
    • 785 views

  29. The Last Lego Train 9V Set History and Curiosity Facts

    By davidek_20,
    • 1 reply
    • 471 views

  30. any 9v track connect alternatives?

    By sixf00t4,
    • 11 replies
    • 658 views

  31. BR E18 047 "Blauer Enzian" 1 2

    By Ts__,   
    • 47 replies
    • 11.6k views

  32. [MOC] RENFE 251-004 "La Reina" 1 2

    By Ferro-Friki,   
    • 26 replies
    • 1.5k views

  33. [MOC] Sj X2000 High Speed Train / Snabbtåg

    By Nikonissen,
    • 12 replies
    • 5k views

  34. Holes in 9V train motor - What are they for?

    By FGMatt,
    • 5 replies
    • 649 views

  35. Road in R24 tracks

    By Mafortune,
    • 12 replies
    • 632 views

  36. Carpathian Ranger

    By Darkkostas25,   
    • 15 replies
    • 589 views

  37. 12V train wheels

    By Janco147,   
    • 5 replies
    • 501 views

  38. [BDP 7] Overhead Railway Signal Box

    By Jefry Been,
    • 17 replies
    • 2k views

  39. Powered Up - A tear down... 1 2 3 4 37

    By JopieK,
    • 923 replies
    • 262.2k views

  40. LEGO Trains 2025 1 2 3 4 9

    By JopieK,
    • 221 replies
    • 90k views

  41. Frisco 1522 (4-8-2 steam loco) with St. Louis Steam Train Association excursion support train models - updated MOC and pictures 11/26/25

    By Murdoch17,   
    • 13 replies
    • 2.9k views

  42. Lego Train 9V alternative train car instructions in style 1991-1999 from old lego website www.lego.com/trains recovered YES!

    By davidek_20,
    • 4 replies
    • 808 views

  43. Replace broken motor pin on a train motor (12V)

    By Janco147,   
    • 4 replies
    • 335 views

  44. Bascule Bridge - WIP but usable.

    By SD100,
    • 11 replies
    • 666 views

  45. [REVIEW] 60470 Explorers' Arctic Polar Express Train

    By Clone OPatra,
    • 21 replies
    • 7.6k views

  46. Onshape Parameterized Rail

    By Stereo,
    • 24 replies
    • 1.6k views

  47. Bricklink Designer Program Trains Sets | 2024 & Beyond 1 2

    By RedBrick1,   
    • 45 replies
    • 9.5k views

  48. XL double track 112-stud long train truss bridge - real world MOC

    By Murdoch17,   
    • 0 replies
    • 366 views

  49. [WIP] Lego monorails. [Custom Rail Systems (CRS)] 1 2 3 4 24

    By Trekkie99,   
    • 575 replies
    • 181.2k views

  50. [MOC] Hessenboog fly-over

    By UrbanErwin,
    • 10 replies
    • 812 views

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