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LEGO Train Tech

Comprehensive Train Resource

6,909 topics in this forum

  1. LEGO Trains 2025 1 2 3

    By JopieK,
    • 56 replies
    • 13.9k views

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

    By JopieK,
    • 248 replies
    • 48.7k views

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

    By BatteryPoweredBricks,
    • 20 replies
    • 13.2k views

  4. Track transition curves

    By witchy,
    • 24 replies
    • 6.9k views

  5. TRAIN TECH Registry 1 2 3 4 38

    By WesternOutlaw,   
    • 929 replies
    • 254.2k views

  6. Lego Powered Up Pocket Book 1 2

    By idlemarvel,
    • 25 replies
    • 4.7k views

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

    By WesternOutlaw,   
    • 563 replies
    • 120.7k 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
    • 101.7k views

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

    By Murdoch17,   
    • 6 replies
    • 241 views

  11. WIP DDa40X

    By Barduck,
    • 4 replies
    • 101 views

  12. [MOC] Eurostar British Rail Class 374

    By beyre83,
    • 8 replies
    • 440 views

  13. Train windows

    By zephyr1934,
    • 7 replies
    • 562 views

  14. Simple track layout tool

    By cluening,
    • 8 replies
    • 351 views

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

    By Darkkostas25,   
    • 7 replies
    • 291 views

  16. Dubrovnik tramway

    By jan_12,
    • 13 replies
    • 792 views

  17. Octraintober 2021 e69 005 "Adolphine" 1 2

    By XG BC,   
    • 43 replies
    • 5.2k views

  18. [MOC] Retro passenger train

    By faph,   
    • 14 replies
    • 570 views

  19. Quick questions regarding motorization...

    By LMGbros 772,
    • 8 replies
    • 522 views

  20. PoweredUp Retiring? 1 2 3 4 5

    By Phil B,   
    • 118 replies
    • 9.7k views
    • MAB
    • MAB

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

    By Murdoch17,   
    • 2 replies
    • 194 views

  22. narrow gauge stud.io track

    By XG BC,
    • 6 replies
    • 513 views

  23. BR 38-3812 1 2

    By LEGO Train 12 Volts,
    • 26 replies
    • 6.7k views

  24. Type E Coupler for LEGO Trains 1 2 3

    By coaster,
    • 71 replies
    • 23k views

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

    By Bulletbricks,
    • 9 replies
    • 1.9k views

  26. [MOC] Abandoned Train

    By Sérgio,
    • 6 replies
    • 613 views

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

    By idlemarvel,
    • 8 replies
    • 498 views

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

    By FGMatt,
    • 6 replies
    • 384 views

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

    By idlemarvel,
    • 2 replies
    • 336 views

  30. 12v dual connector doesn't fit

    By cozzie4d,
    • 8 replies
    • 301 views

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

    By Murdoch17,   
    • 11 replies
    • 908 views

  32. Where to get custom sets

    By stevendejong,
    • 11 replies
    • 947 views

  33. The South Australian Railways (SAR) 400 class

    By Daiman,
    • 9 replies
    • 664 views

  34. A lucky encounter in Denmark

    By Reker1000000,   
    • 3 replies
    • 693 views

  35. 1930s rail mobile with railroad division superintendent figure - real world MOC based on Action Comics 1 - Superman SDCC set

    By Murdoch17,   
    • 11 replies
    • 828 views

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

    By Sérgio,
    • 7 replies
    • 684 views

  37. [MOC] Botanical Gardens Station

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

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

    By Jefry Been,   
    • 25 replies
    • 2.8k views

  39. [MOC] 1973 Tube Stock

    By Hod Carrier,
    • 9 replies
    • 774 views

  40. Southern Pacific AC-9 #3802

    By Ropefish,
    • 18 replies
    • 1.8k views

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

    By RedBrick1,   
    • 36 replies
    • 6.1k views

  42. [MOC] British Pullman Coach + Emerald Night MOD 1 2

    By -DoNe-,
    • 25 replies
    • 1.3k views

  43. [MOC] Derail Valley locomotives (instructions + parts list)

    By witchy,
    • 22 replies
    • 1.7k views

  44. SNCB Diesel Shunter

    By LEGO Train 12 Volts,
    • 16 replies
    • 949 views

  45. OcTRAINber WIP - MOW Tractor

    By Asper,   
    • 22 replies
    • 3.1k views

  46. Panama Canal 'Mule'

    By Daiman,
    • 17 replies
    • 870 views

  47. OBB 2068 diesel Bo-Bo shunter in 6-wide 12V style

    By idlemarvel,
    • 6 replies
    • 450 views

  48. Powered UP to Power Functions adapter 1 2

    By TrainDragon,
    • 25 replies
    • 37k views

  49. Gangway curtains [papercraft]

    By Daiman,
    • 6 replies
    • 539 views

  50. OBB 1020 Crocodile in 6-wide 12V style

    By idlemarvel,
    • 7 replies
    • 741 views
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