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LEGO Train Tech

Comprehensive Train Resource

6,916 topics in this forum

  1. LEGO Trains 2025 1 2 3 4

    By JopieK,
    • 89 replies
    • 19.5k views

  2. Trains in 4-Wide 1 2 3 4 10

    By JopieK,
    • 248 replies
    • 49k views

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

    By BatteryPoweredBricks,
    • 20 replies
    • 13.4k views

  4. Track transition curves

    By witchy,
    • 24 replies
    • 7k views

  5. TRAIN TECH Registry 1 2 3 4 38

    By WesternOutlaw,   
    • 929 replies
    • 254.7k views

  6. Lego Powered Up Pocket Book 1 2

    By idlemarvel,
    • 25 replies
    • 4.8k views

  7. TRAIN TECH Help, General Questions & Talk to the Staff 1 2 3 4 23

    By WesternOutlaw,   
    • 563 replies
    • 121k views

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

    By Desvejk,
    • 25 replies
    • 11.7k views

  9. Central Station - the Train Tech Master Index

    By WesternOutlaw,   
    • 0 replies
    • 101.8k views

  10. [MOC] Richmond Triple Crossing / Modular Bridge

    By Electricsteam,
    • 6 replies
    • 394 views

  11. Tidying up/ hiding light cables (7867 etc.)

    By cozzie4d,
    • 3 replies
    • 256 views

  12. [MOC] Retro passenger train

    By faph,   
    • 16 replies
    • 742 views

  13. MOC: California State Railroad Museum

    By Cooper,
    • 14 replies
    • 6.6k views
    • emor
    • emor

  14. Connecting 12v lights in serial

    By cozzie4d,
    • 18 replies
    • 1.2k views

  15. [MOC] My Completed 1:45 Scale LEGO Train Fleet & Layout

    By Sérgio,
    • 8 replies
    • 445 views

  16. Saint Louis Waterworks Division interurban streetcar No. 10 - real world MOC

    By Murdoch17,   
    • 11 replies
    • 373 views

  17. Small Train Diorama/Display

    By Matthias83,
    • 1 reply
    • 319 views

  18. Train windows

    By zephyr1934,
    • 9 replies
    • 920 views

  19. PoweredUp Retiring? 1 2 3 4 5

    By Phil B,   
    • 122 replies
    • 10.5k views

  20. Mister Rogers' Neighborhood Trolley - 6 wide streetcar with minifigures - real world MOC

    By Murdoch17,   
    • 4 replies
    • 278 views

  21. [MOC] Inspection & Maintenance Draisine – 1:45 Scale, Circuit Cubes Powered

    By Sérgio,   
    • 7 replies
    • 375 views

  22. Burlington Northern Santa Fe (BNSF) GP-38 diesel locomotive - 10133 MOD - real world WIP

    By Murdoch17,   
    • 10 replies
    • 500 views

  23. WIP DDa40X

    By Barduck,
    • 11 replies
    • 493 views

  24. Simple track layout tool

    By cluening,
    • 9 replies
    • 577 views

  25. kkStB 306 4-4-0 tender steam loco in 6-wide 12V style

    By idlemarvel,
    • 11 replies
    • 668 views

  26. [MOC] Eurostar British Rail Class 374

    By beyre83,
    • 8 replies
    • 603 views

  27. [MOC][Stud.io]ChS7-8 &ChS4

    By Darkkostas25,   
    • 7 replies
    • 386 views

  28. Dubrovnik tramway

    By jan_12,
    • 13 replies
    • 1.3k views

  29. Octraintober 2021 e69 005 "Adolphine" 1 2

    By XG BC,   
    • 43 replies
    • 5.3k views

  30. Quick questions regarding motorization...

    By LMGbros 772,
    • 8 replies
    • 582 views

  31. GE Genesis P42DC diesel locomotive - real world 7939 inspired MOC

    By Murdoch17,   
    • 2 replies
    • 239 views

  32. narrow gauge stud.io track

    By XG BC,
    • 6 replies
    • 559 views

  33. BR 38-3812 1 2

    By LEGO Train 12 Volts,
    • 26 replies
    • 6.8k views

  34. Type E Coupler for LEGO Trains 1 2 3

    By coaster,
    • 71 replies
    • 23.2k views

  35. Custom Lego train MOC 30' CSX Caboose in 6 wide

    By Bulletbricks,
    • 9 replies
    • 1.9k views

  36. [MOC] Abandoned Train

    By Sérgio,
    • 6 replies
    • 679 views

  37. [MOC] Bogie Bolster Wagon in 8-wide

    By FGMatt,
    • 6 replies
    • 420 views

  38. OBB 2045 diesel Bo-Bo in 6-wide 12V style

    By idlemarvel,
    • 2 replies
    • 393 views

  39. 12v dual connector doesn't fit

    By cozzie4d,
    • 8 replies
    • 329 views

  40. LEGO train tunnel with mountain - a MOC started over twenty-five years ago! - real world MOC - finished 4/1/25

    By Murdoch17,   
    • 11 replies
    • 968 views

  41. Where to get custom sets

    By stevendejong,
    • 11 replies
    • 975 views

  42. The South Australian Railways (SAR) 400 class

    By Daiman,
    • 9 replies
    • 687 views

  43. A lucky encounter in Denmark

    By Reker1000000,   
    • 3 replies
    • 728 views

  44. 1930s rail mobile with railroad division superintendent figure - real world MOC based on Action Comics 1 - Superman SDCC set

    By Murdoch17,   
    • 11 replies
    • 860 views

  45. [MOC] Abandoned Passenger Wagon (contains some heresy)

    By Sérgio,
    • 7 replies
    • 717 views

  46. [MOC] Botanical Gardens Station

    By Tube Map Central,   
    • 10 replies
    • 2.7k views

  47. [MOC] RAILWAY KEEPER'S HOUSE 1 2

    By Jefry Been,   
    • 25 replies
    • 2.8k views

  48. [MOC] 1973 Tube Stock

    By Hod Carrier,
    • 9 replies
    • 812 views

  49. Southern Pacific AC-9 #3802

    By Ropefish,
    • 18 replies
    • 1.9k views

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

    By RedBrick1,   
    • 36 replies
    • 6.2k views
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