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LEGO Train Tech

Comprehensive Train Resource

7,012 topics in this forum

  1. LEGO Trains 2025 1 2 3 4 9

    By JopieK,
    • 213 replies
    • 86.8k views

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

    By JopieK,
    • 265 replies
    • 97.2k views

  3. Lego Powered Up Pocket Book 1 2

    By idlemarvel,
    • 32 replies
    • 22.3k views

  4. TRAIN TECH Registry 1 2 3 4 38

    By WesternOutlaw,   
    • 946 replies
    • 310.2k views

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

    By BatteryPoweredBricks,
    • 24 replies
    • 25.1k views

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

    By WesternOutlaw,   
    • 578 replies
    • 132.4k views

  7. Track transition curves

    By witchy,
    • 24 replies
    • 8.8k views

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

    By Desvejk,
    • 25 replies
    • 28.1k views

  9. Central Station - the Train Tech Master Index

    By WesternOutlaw,   
    • 0 replies
    • 109.9k views

  10. [MOC] RENFE 251-004 "La Reina"

    By Ferro-Friki,   
    • 13 replies
    • 553 views

  11. 7740 inspired MOC - 6w

    By LL1982,
    • 17 replies
    • 774 views

  12. Onshape Parameterized Rail

    By Stereo,
    • 23 replies
    • 1.2k views

  13. New Controllers by Trixbrix (video)

    By ElGreco,
    • 9 replies
    • 1.1k views

  14. [MOC] Hessenboog fly-over

    By UrbanErwin,
    • 10 replies
    • 613 views

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

    By Clone OPatra,
    • 17 replies
    • 5.6k views

  16. typical 1950s American freight train - real world MOCs of five freight car types

    By Murdoch17,   
    • 8 replies
    • 399 views

  17. LEGO #21344 - Orient Express 1 2 3 4 38

    By RedBrick1,
    • 932 replies
    • 210.5k views

  18. Santa Fe F7 Warbonnet and the SF F7 Fleet (MOC)

    By DMRR WOLFE,
    • 7 replies
    • 3.3k views

  19. R248 Curve Printable 3D Model

    By bobhayes,
    • 3 replies
    • 391 views

  20. 9v motor dies after running for 2-3 mini

    By Chris Stransky,
    • 11 replies
    • 540 views

  21. [Revised MOC] DSB Litra EA (8-wide electric locomotive)

    By dtomsen,   
    • 23 replies
    • 9.8k views

  22. DB KöF II

    By Dr Snotson,
    • 10 replies
    • 2.5k views

  23. My LEGO Ideas Entry: Austrian Class 310 Steam Locomotive

    By steamengine,
    • 12 replies
    • 631 views

  24. EMD FT 103 diesel locomotive demonstrator (the diesel that did it) - real world 10020 MOD

    By Murdoch17,   
    • 12 replies
    • 743 views

  25. [MOC] No more Dark Blue! ;-) (ÖBB 4010, WLB "Köln" tram, ...)

    By Brickstone_City,
    • 9 replies
    • 682 views

  26. Replace bulb on 12v light brick 1 2

    By bricks n bolts,   
    • 29 replies
    • 13.8k views

  27. Trains going underground

    By Jochem_LEGO,
    • 5 replies
    • 4.9k views

  28. 12V train wheels

    By Janco147,   
    • 4 replies
    • 255 views

  29. How do I control two PuP crocodiles simultaneously ?

    By Selander,
    • 17 replies
    • 777 views

  30. [MOC] Renfe S-269 "Japonesa"

    By Ferro-Friki,
    • 14 replies
    • 763 views

  31. MOCs: Models of trains running in Hungary 1 2 3 4 12

    By Ashi Valkoinen,
    • 284 replies
    • 133.4k views

  32. [BDP-9] The Solar Express: The Tilting Train

    By damangos,   
    • 5 replies
    • 837 views

  33. Radio Control Racer Set 5600

    By Malnaborg,
    • 8 replies
    • 567 views

  34. Injection molded switches/crossovers

    By koraldon,
    • 8 replies
    • 3.9k views

  35. [MOC+BDP9] ABS Grain Elevator and Hopper Car

    By zephyr1934,
    • 20 replies
    • 1.4k views

  36. Train Wheel Size Naming 1 2

    By supertruper1988,
    • 48 replies
    • 17.1k views

  37. Whitcomb 65-ton diesel switcher locomotive - American Steel Foundries' Granite City Works No. 8 - real world MOC

    By Murdoch17,   
    • 17 replies
    • 2.9k views

  38. TrixBrix to start doing custom wheels and rods

    By Vilhelm22,
    • 14 replies
    • 2.4k views

  39. [BDP-9] Train Level crossing and Blue Moonlight Train in Brick City Station

    By GoHabsGo,   
    • 1 reply
    • 362 views

  40. Pick a Brick ins and outs

    By idlemarvel,
    • 1 reply
    • 415 views

  41. [MOC] September Addon Frenzy (ÖBB / ČSD / MÁV)

    By Brickstone_City,
    • 6 replies
    • 508 views

  42. Mad Spamm Bomber

    By M_slug357,
    • 3 replies
    • 429 views

  43. Union Station - huge modular passenger train terminal with canopy covering the tracks - real world MOC (updated 10/6/25)

    By Murdoch17,   
    • 10 replies
    • 851 views

  44. [MOD] ÖBB 8w set rebuild

    By Brickstone_City,
    • 14 replies
    • 5.5k views

  45. Train level crossing ideas question

    By XG BC,
    • 7 replies
    • 1.7k views

  46. [MOC] BR Class 89

    By BrakeCoach,
    • 7 replies
    • 6.2k views

  47. Frisco 1621 (2-10-0 'Decapod' steam locomotive) and caboose - real world MOCs

    By Murdoch17,   
    • 5 replies
    • 3.1k views

  48. Ties is doing it again ;)

    By JopieK,
    • 6 replies
    • 8.2k views

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

    By HoMa,
    • 746 replies
    • 179.2k views

  50. [MOC] My LEGO Renfe S-130 1 2 3 4 7

    By Imanol,   
    • 167 replies
    • 56.2k views
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