Athearn Super Sale DealsClick Here!
Menu
Advanced Search
No product found
Cart
Fast Shipping - Huge Inventory Selection - WorldWide Shipping
Menu
Account

O Scale

O Scale Model TrainsO Scale Model Trains

O Scale (1:48) is one the most popular and oldest scales in the industry, featuring one of the largest varieties of high quality trains and accessories in the market. O scale trains are larger than HO scale trains and have lots of neat features and quality detail. Popular maufacturers of O scale trains include Lionel, MTH, Atlas, and Williams, among many more.

Filters
Clear All
View as Grid List

Items 1-35 of 42

Set Descending Direction
  1. MTH 20-21844-1 U25B Diesel Engine With Proto-Sound 3.0 (Hi-Rail Wheels) - New Haven Cab No. 2502
    MTH 20-21844-1 U25B Diesel Engine With Proto-Sound 3.0 (Hi-Rail Wheels) - New Haven Cab No. 2502
    Number 20-21844-1
    Manufacturer MTH Trains
    Scale O
    $539.99
    Add to Wish List Add to Compare
  2. MTH 20-21846-1 U25B Diesel Engine With Proto-Sound 3.0 (Hi-Rail Wheels) - Chesapeake & Ohio Cab No. 8105
    MTH 20-21846-1 U25B Diesel Engine With Proto-Sound 3.0 (Hi-Rail Wheels) - Chesapeake & Ohio Cab No. 8105
    Number 20-21846-1
    Manufacturer MTH Trains
    Scale O
    $539.99
    Add to Wish List Add to Compare
  3. MTH 20-21848-1 U25B Diesel Engine With Proto-Sound 3.0 (Hi-Rail Wheels) - Louisville & Nashville Cab No. 1603
    MTH 20-21848-1 U25B Diesel Engine With Proto-Sound 3.0 (Hi-Rail Wheels) - Louisville & Nashville Cab No. 1603
    Number 20-21848-1
    Manufacturer MTH Trains
    Scale O
    $539.99
    Add to Wish List Add to Compare
  4. Williams #21650 NW-2 Scale Diesel w/ Sound - Boston & Maine #1206
    Williams #21650 NW-2 Scale Diesel w/ Sound - Boston & Maine #1206
    Number 21650
    Manufacturer Williams
    Scale O
    Special Price $179.99 Regular Price $307.99
    Add to Wish List Add to Compare
  5. Williams #21653 NW-2 Scale Diesel w/ Sound - Western Pacific #608
    Williams #21653 NW-2 Scale Diesel w/ Sound - Western Pacific #608
    Number 21653
    Manufacturer Williams
    Scale O
    Special Price $179.99 Regular Price $307.99
    Add to Wish List Add to Compare
  6. Lionel 2334010 O LionChief Plus 2.0 Diesel NW-2 Santa Fe #2404
    Lionel 2334010 O LionChief Plus 2.0 Diesel NW-2 Santa Fe #2404
    Number 2334010
    Manufacturer Lionel Trains
    Scale O
    Special Price $374.99 Regular Price $404.99
    Add to Wish List Add to Compare
  7. Lionel 2334020 O LionChief Plus 2.0 Diesel NW-2 New York Central #622
    Lionel 2334020 O LionChief Plus 2.0 Diesel NW-2 New York Central #622
    Number 2334020
    Manufacturer Lionel Trains
    Scale O
    $404.99
    Add to Wish List Add to Compare
  8. Lionel 2334040 O LionChief Plus 2.0 Diesel NW-2 Seaboard #1410
    Lionel 2334040 O LionChief Plus 2.0 Diesel NW-2 Seaboard #1410
    Number 2334040
    Manufacturer Lionel Trains
    Scale O
    $404.99
    Add to Wish List Add to Compare
  9. Lionel 2445150 O Batman LionChief ET44 Bluetooth 5.0 Glows-In-The-Dark
    Lionel 2445150 O Batman LionChief ET44 Bluetooth 5.0 Glows-In-The-Dark
    Number 2445150
    Manufacturer Lionel Trains
    Scale O
    $269.99
    Add to Wish List Add to Compare
  10. Lionel 2445160 O CSX LionChief ET44 #3398 Bluetooth 5.0
    Lionel 2445160 O CSX LionChief ET44 #3398 Bluetooth 5.0
    Number 2445160
    Manufacturer Lionel Trains
    Scale O
    Special Price $249.99 Regular Price $269.99
    Add to Wish List Add to Compare
  11. Lionel 2445170 O BNSF LionChief ET44 #3970 Bluetooth 5.0
    Lionel 2445170 O BNSF LionChief ET44 #3970 Bluetooth 5.0
    Number 2445170
    Manufacturer Lionel Trains
    Scale O
    Special Price $249.99 Regular Price $269.99
    Add to Wish List Add to Compare
  12. Lionel 2445180 O US Army LionChief ET44 #1775 Bluetooth 5.0
    Lionel 2445180 O US Army LionChief ET44 #1775 Bluetooth 5.0
    Number 2445180
    Manufacturer Lionel Trains
    Scale O
    $269.99
    Add to Wish List Add to Compare
  13. Lionel 2445190 O NPC Snowflake Limited Christmas LionChief ET44 #240
    Lionel 2445190 O NPC Snowflake Limited Christmas LionChief ET44 #240
    Number 2445190
    Manufacturer Lionel Trains
    Scale O
    Special Price $249.99 Regular Price $269.99
    Add to Wish List Add to Compare
  14. Lionel 2533451 O BNSF LEGACY ET44C4 #3839
    Lionel 2533451 O BNSF LEGACY ET44C4 #3839
    Number 2533451
    Manufacturer Lionel Trains
    Scale O
    $799.99
    Add to Wish List Add to Compare
  15. Lionel 2533452 O BNSF LEGACY ET44C4 #3918
    Lionel 2533452 O BNSF LEGACY ET44C4 #3918
    Number 2533452
    Manufacturer Lionel Trains
    Scale O
    $799.99
    Add to Wish List Add to Compare
  16. Lionel 2533459 O BNSF SUPERBASS ET44C4 #3998 NON-Powered
    Lionel 2533459 O BNSF SUPERBASS ET44C4 #3998 NON-Powered
    Number 2533459
    Manufacturer Lionel Trains
    Scale O
    $699.99
    Add to Wish List Add to Compare
  17. Lionel 2533461 O Canadian National LEGACY ET44AC #3159
    Lionel 2533461 O Canadian National LEGACY ET44AC #3159
    Number 2533461
    Manufacturer Lionel Trains
    Scale O
    $799.99
    Add to Wish List Add to Compare
  18. Lionel 2533462 O Canadian National LEGACY ET44AC #3180
    Lionel 2533462 O Canadian National LEGACY ET44AC #3180
    Number 2533462
    Manufacturer Lionel Trains
    Scale O
    $799.99
    Add to Wish List Add to Compare
  19. Lionel 2533469 O Canadian National SUPERBASS ET44AC #3198 NON-Powered
    Lionel 2533469 O Canadian National SUPERBASS ET44AC #3198 NON-Powered
    Number 2533469
    Manufacturer Lionel Trains
    Scale O
    $699.99
    Add to Wish List Add to Compare
  20. Lionel 2533471 O CSX LEGACY ET44AC #3250
    Lionel 2533471 O CSX LEGACY ET44AC #3250
    Number 2533471
    Manufacturer Lionel Trains
    Scale O
    $799.99
    Add to Wish List Add to Compare
  21. Lionel 2533472 O CSX LEGACY ET44AC #3302
    Lionel 2533472 O CSX LEGACY ET44AC #3302
    Number 2533472
    Manufacturer Lionel Trains
    Scale O
    $799.99
    Add to Wish List Add to Compare
  22. Lionel 2533479 O CSX SUPERBASS ET44AC #3349 NON-Powered
    Lionel 2533479 O CSX SUPERBASS ET44AC #3349 NON-Powered
    Number 2533479
    Manufacturer Lionel Trains
    Scale O
    $699.99
    Add to Wish List Add to Compare
  23. Lionel 2533481 O Kansas City Southern LEGACY ET44AC #5000
    Lionel 2533481 O Kansas City Southern LEGACY ET44AC #5000
    Number 2533481
    Manufacturer Lionel Trains
    Scale O
    $799.99
    Add to Wish List Add to Compare
  24. Lionel 2533482 O Kansas City Southern LEGACY ET44AC #5005
    Lionel 2533482 O Kansas City Southern LEGACY ET44AC #5005
    Number 2533482
    Manufacturer Lionel Trains
    Scale O
    $799.99
    Add to Wish List Add to Compare
  25. Lionel 2533489 O Kansas City Southern SUPERBASS ET44AC #5019 NON-Powered
    Lionel 2533489 O Kansas City Southern SUPERBASS ET44AC #5019 NON-Powered
    Number 2533489
    Manufacturer Lionel Trains
    Scale O
    $699.99
    Add to Wish List Add to Compare
  26. Lionel 2533491 O Norfolk Southern LEGACY ET44AC #3606
    Lionel 2533491 O Norfolk Southern LEGACY ET44AC #3606
    Number 2533491
    Manufacturer Lionel Trains
    Scale O
    $799.99
    Add to Wish List Add to Compare
  27. Lionel 2533492 O Norfolk Southern LEGACY ET44AC #3641
    Lionel 2533492 O Norfolk Southern LEGACY ET44AC #3641
    Number 2533492
    Manufacturer Lionel Trains
    Scale O
    $799.99
    Add to Wish List Add to Compare
  28. Lionel 2533499 O Norfolk Southern SUPERBASS ET44AC #3678 NON-Powered
    Lionel 2533499 O Norfolk Southern SUPERBASS ET44AC #3678 NON-Powered
    Number 2533499
    Manufacturer Lionel Trains
    Scale O
    $699.99
    Add to Wish List Add to Compare
  29. Lionel 2533501 O Union Pacific LEGACY ET44AC #2671
    Lionel 2533501 O Union Pacific LEGACY ET44AC #2671
    Number 2533501
    Manufacturer Lionel Trains
    Scale O
    $799.99
    Add to Wish List Add to Compare
  30. Lionel 2533502 O Union Pacific LEGACY ET44AC #2692
    Lionel 2533502 O Union Pacific LEGACY ET44AC #2692
    Number 2533502
    Manufacturer Lionel Trains
    Scale O
    $799.99
    Add to Wish List Add to Compare
  31. Lionel 2533509 O Union Pacific SUPERBASS ET44AC #2708 NON-Powered
    Lionel 2533509 O Union Pacific SUPERBASS ET44AC #2708 NON-Powered
    Number 2533509
    Manufacturer Lionel Trains
    Scale O
    $699.99
    Add to Wish List Add to Compare
  32. MTH 30-21134-1 O NW-2 Switcher Diesel Engine With Proto-Sound 3.0 - Bangor & Aroostook Cab No. 33
    MTH 30-21134-1 O NW-2 Switcher Diesel Engine With Proto-Sound 3.0 - Bangor & Aroostook Cab No. 33
    Number 30-21134-1
    Manufacturer MTH Trains
    Scale O
    Special Price $299.99 Regular Price $349.99
    Add to Wish List Add to Compare
  33. MTH 30-21139-1 O NW-2 Switcher Diesel Engine With Proto-Sound 3.0 - Long Island (Gray - Trainworld) Cab No. 47
    MTH 30-21139-1 O NW-2 Switcher Diesel Engine With Proto-Sound 3.0 - Long Island (Gray - Trainworld) Cab No. 47
    Number 30-21139-1
    Manufacturer MTH Trains
    Scale O
    $369.99
    Add to Wish List Add to Compare
  34. MTH 30-21140-1 O NW-2 Switcher Diesel Engine With Proto-Sound 3.0 - U.S. Army (Green - Trainworld) Cab No. 43
    MTH 30-21140-1 O NW-2 Switcher Diesel Engine With Proto-Sound 3.0 - U.S. Army (Green - Trainworld) Cab No. 43
    Number 30-21140-1
    Manufacturer MTH Trains
    Scale O
    Special Price $349.99 Regular Price $369.99
    Add to Wish List Add to Compare
  35. MTH 30-21141-1 O NW-2 Switcher Diesel Engine With Proto-Sound 3.0 - U.S. Army (Desert - Trainworld) Cab No. 42
    MTH 30-21141-1 O NW-2 Switcher Diesel Engine With Proto-Sound 3.0 - U.S. Army (Desert - Trainworld) Cab No. 42
    Number 30-21141-1
    Manufacturer MTH Trains
    Scale O
    $369.99
    Add to Wish List Add to Compare
Page
per page
Filters
Now Shopping by
  1. Engine Style
    NW 2
  2. Engine Style
    ET44 CH - AH - C4 - C45AH -EF644T - Tier 4
  3. Engine Style
    U 25B
Clear All
Shopping Options
Manufacturer
  1. Lionel Trains 26 items
  2. MTH Trains 10 items
  3. PostWar Vintage Trains 4 items
  4. Williams 2 items
Product Line
  1. Lionel Legacy 12 items
  2. Lion Chief (Basic, Plus, 2.0, ETC) 1 item
  3. Lionel Vintage Post War 4 items
  4. MTH Premier 3 items
  5. MTH Railking 7 items
Preorder
  1. Yes 18 items
  2. No 24 items
Trains
  1. Christmas 1 item
  2. Diesel Locomotives 42 items
  3. TrainWorld Exclusive 5 items
Engine Style
  1. 0-4-0 - A5 5 items
  2. 0-4-4-0 Climax - Shay - Heisler 7 items
  3. 0-6-0 - Steam 15 items
  4. 0-8-0 - Steam 7 items
  5. 0-8-8-0 Steam 1 item
  6. 2-4-2 - Steam 7 items
  7. 2-6-0 - Mogul 1 item
  8. 2-6-2 - Prairie 10 items
  9. 2-6-4 - Steam 1 item
  10. 2-6-6-2 - H-6 Steam 5 items
  11. 2-8-0 - Consolidation -H - H10 - C19 8 items
  12. 2-8-2 - Mikado - K28 - L 9 items
  13. 2-8-4 - Berkshire 27 items
  14. 2-8-8-2 - Y - Y6B 18 items
  15. 2-8-8-8-2 - Triplex 6 items
  16. 2-10-0 - Decapod - I1 10 items
  17. 2-10-4 -T1 - J1 - Texas 6 items
  18. 4-4-0 - American Steam 9 items
  19. 4-4-2 - Atlantic - E6 14 items
  20. 4-6-0 - Ten Wheeler - Camelback - Baldwin - H6 - D10 - G5 9 items
  21. 4-6-2 - Pacific - K4 - F-19 51 items
  22. 4-6-4 - Hudson - I-5 34 items
  23. 4-6-6-4 - Challenger 8 items
  24. 4-8-2 - M1 - M1b - Mountain 13 items
  25. 4-8-4 - Northern - Niagara - T1 - Class J - S2 -S3 - E1 -GS4 - FEF 17 items
  26. 4-8-8-4 - Big Boy 3 items
  27. 6-8-6 - Turbine Steam - S2 11 items
  28. 44 Ton 5 items
  29. 70 Ton 1 item
  30. AC6000 7 items
  31. Budd 10 items
  32. C-Liner 26 items
  33. C 30-7 3 items
  34. C 44-9W 8 items
  35. C 420 - C 424 - C 425 - C 430 4 items
  36. Dash 8 - 8-32 - 8-40 - 8-40B - 8-40BW - 8-40C - 8-40CW 14 items
  37. Doodlebug 13 items
  38. E3 - E5 - E6 7 items
  39. E8 - E9 5 items
  40. ES44AC (GEVO) 87 items
  41. ES44DC (GEVO) 27 items
  42. ET44 CH - AH - C4 - C45AH -EF644T - Tier 4 23 items
  43. FA - FA-1 - FA-2 - FB-1 - FB-2 - FPA-2 - FPB-2 - FPA-2u 32 items
  44. F3 - F3A F3B 15 items
  45. F 7 A-B - FP 7 A-B 14 items
  46. F40PH 6 items
  47. F59PHI 1 item
  48. FM Trainmaster 2 items
  49. FM Erie Built 6 items
  50. FT 10 items
  51. GG1 16 items
  52. GP 7 19 items
  53. GP 9 13 items
  54. GP 15 2 items
  55. GP 16 - GP 18 - GP 20 10 items
  56. GP 30 11 items
  57. GP 35 12 items
  58. GP 38 - GP 38-2 17 items
  59. GP 40 - GP 40-2 3 items
  60. H15-44 6 items
  61. H24-66 12 items
  62. Miscellaneous 8 items
  63. MP15 AC-DC 3 items
  64. NW 2 16 items
  65. P40 - P42 Genesis 17 items
  66. PA - PB 17 items
  67. RS 1 - RS 2 5 items
  68. RS 3 14 items
  69. RS 11 1 item
  70. RS 27 4 items
  71. Subway 10 items
  72. S 2 20 items
  73. SD 35 - SDP 35 8 items
  74. SD40 - SD40-2 - SD40R - SDP40 - SDF40 29 items
  75. SD45 - SD45T - SD45-2 - SD45T - SDP45 22 items
  76. SD 50 21 items
  77. SD60 - SD60 M - SD60E - SD60I 7 items
  78. SD70 SD70ACe SD70MAc SD70ACU SD70M 56 items
  79. SW 1 10 items
  80. SW 8 12 items
  81. SW 1000 - 1200 - 1500 6 items
  82. Small Switcher 44 items
  83. Trolley - Tram - Streetcar 33 items
  84. U 25B 3 items
  85. U 28B - U 28C 14 items
  86. U 30B - U 30C 1 item
  87. U 36 3 items
Engine Electronics
  1. Motorized (Standard DC-AC) 4 items
  2. DCC And Sound 4 items
  3. Proto Sound 3.0 6 items
  4. LionChief (Basic, Plus, 2.0) 8 items
  5. Legacy 12 items
  6. Williams True Blast II Whistle-Horn & Bell 1 item
  7. Williams True Blast PLUS Sounds 1 item
  8. Sound|Non Powered 6 items
Road Name
  1. Army 3 items
  2. ATSF - Atchison Topeka & Santa Fe 1 item
  3. Bangor & Aroostook - B&A 1 item
  4. BNSF - Burlington Northern Santa Fe 4 items
  5. Boston & Maine - B&M 1 item
  6. Canadian National - CN 3 items
  7. Chesapeake & Ohio - C&O 1 item
  8. Christmas 1 item
  9. CSX 4 items
  10. DC Comic 1 item
  11. Jersey Central - JC 1 item
  12. Kansas City Southern - KCS 3 items
  13. Long Island - LIRR 2 items
  14. Louisville & Nashville - L&N 1 item
  15. Military 3 items
  16. MTA - Metropolitan Transportation Authority 1 item
  17. New Haven 1 item
  18. New York Central - NYC 2 items
  19. Norfolk Southern - NS 3 items
  20. Santa Fe 4 items
  21. Seaboard - SAL - SALX 1 item
  22. Union Pacific - UP 3 items
  23. Western Pacific 1 item
Catalog
  1. Lionel 2022 C2 3 items
  2. Lionel 2024 C1 23 items
Price
On Sale
  1. Yes 10 items
  2. No 32 items
Compare
  1. Remove This Item
Compare
Clear All
You have no items to compare.
My Wish List
Last Added Items
  1. View Pre Order View Pre Order
    Remove This Item
Go to Wish List
You have no items in your wish list.
® Copyright 2025 Trainworld. All Rights Reserved.
Verified merchant by Authorize.net
Payment methods.