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

21 Items

Set Descending Direction
  1. MTH 20-21787-1 O GP-9 Diesel Engine With Proto-Sound 3.0 - Santa Fe (Trainworld) Cab No. 726
    MTH 20-21787-1 O GP-9 Diesel Engine With Proto-Sound 3.0 - Santa Fe (Trainworld) Cab No. 726
    Number 20-21787-1
    Manufacturer MTH Trains
    Scale O
    Special Price $499.99 Regular Price $569.99
    Add to Wish List Add to Compare
  2. MTH 20-21788-1 O GP-9 Diesel Engine With Proto-Sound 3.0 - Santa Fe (Trainworld) Cab No. 741
    MTH 20-21788-1 O GP-9 Diesel Engine With Proto-Sound 3.0 - Santa Fe (Trainworld) Cab No. 741
    Number 20-21788-1
    Manufacturer MTH Trains
    Scale O
    Special Price $499.99 Regular Price $569.99
    Add to Wish List Add to Compare
  3. 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
  4. 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
  5. 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
  6. Atlas 20024018 O 3RL DCS TMAN GP15-1 YORK RAIL #1531 (with front & rear ditchlights)
    Atlas 20024018 O 3RL DCS TMAN GP15-1 YORK RAIL #1531 (with front & rear ditchlights)
    Number 20024018
    Manufacturer Atlas
    Scale O
    $449.99
    Add to Wish List Add to Compare
  7. Atlas 20024019 O 3RL DCS TMAN GP15-1 YORK RAIL #1532 (with front & rear ditchlights)
    Atlas 20024019 O 3RL DCS TMAN GP15-1 YORK RAIL #1532 (with front & rear ditchlights)
    Number 20024019
    Manufacturer Atlas
    Scale O
    $449.99
    Add to Wish List Add to Compare
  8. Lionel 2433361 O Bangor & Aroostook LEGACY GP9 #76
    Lionel 2433361 O Bangor & Aroostook LEGACY GP9 #76
    Number 2433361
    Manufacturer Lionel Trains
    Scale O
    $539.99
    Add to Wish List Add to Compare
  9. Lionel 2433362 O Bangor & Aroostook LEGACY GP9 #78
    Lionel 2433362 O Bangor & Aroostook LEGACY GP9 #78
    Number 2433362
    Manufacturer Lionel Trains
    Scale O
    $539.99
    Out of stock
    Add to Wish List Add to Compare
  10. Lionel 2433372 O Conrail LEGACY GP9 #7043
    Lionel 2433372 O Conrail LEGACY GP9 #7043
    Number 2433372
    Manufacturer Lionel Trains
    Scale O
    $539.99
    Out of stock
    Add to Wish List Add to Compare
  11. Lionel 2433381 O MSTL LEGACY GP9 #702
    Lionel 2433381 O MSTL LEGACY GP9 #702
    Number 2433381
    Manufacturer Lionel Trains
    Scale O
    $539.99
    Add to Wish List Add to Compare
  12. Lionel 2433382 O MSTL LEGACY GP9 #705
    Lionel 2433382 O MSTL LEGACY GP9 #705
    Number 2433382
    Manufacturer Lionel Trains
    Scale O
    $539.99
    Add to Wish List Add to Compare
  13. Lionel 2433392 O Norfolk & Western LEGACY GP9 #512
    Lionel 2433392 O Norfolk & Western LEGACY GP9 #512
    Number 2433392
    Manufacturer Lionel Trains
    Scale O
    $599.99
    Add to Wish List Add to Compare
  14. Lionel 2433401 O Pennsylvania LEGACY GP9 #7013
    Lionel 2433401 O Pennsylvania LEGACY GP9 #7013
    Number 2433401
    Manufacturer Lionel Trains
    Scale O
    $539.99
    Add to Wish List Add to Compare
  15. Lionel 2433402 O Pennsylvania LEGACY GP9 #7025
    Lionel 2433402 O Pennsylvania LEGACY GP9 #7025
    Number 2433402
    Manufacturer Lionel Trains
    Scale O
    $539.99
    Add to Wish List Add to Compare
  16. Lionel 2433411 O Union Pacific LEGACY GP9 #310
    Lionel 2433411 O Union Pacific LEGACY GP9 #310
    Number 2433411
    Manufacturer Lionel Trains
    Scale O
    $599.99
    Add to Wish List Add to Compare
  17. Lionel 2433412 O Union Pacific LEGACY GP9 #312
    Lionel 2433412 O Union Pacific LEGACY GP9 #312
    Number 2433412
    Manufacturer Lionel Trains
    Scale O
    $599.99
    Add to Wish List Add to Compare
  18. MTH 30-21265-1 O C30-7 Diesel Engine W/Proto-Sound 3.0 - Union Pacific
    MTH 30-21265-1 O C30-7 Diesel Engine W/Proto-Sound 3.0 - Union Pacific
    Number 30-21265-1
    Manufacturer MTH Trains
    Scale O
    $399.99
    Add to Wish List Add to Compare
  19. MTH 30-21266-1 O C30-7 Diesel Engine W/Proto-Sound 3.0 - CSX
    MTH 30-21266-1 O C30-7 Diesel Engine W/Proto-Sound 3.0 - CSX
    Number 30-21266-1
    Manufacturer MTH Trains
    Scale O
    $399.99
    Add to Wish List Add to Compare
  20. MTH 30-21268-1 O C30-7 Diesel Engine W/Proto-Sound 3.0 - Seaboard Coast Line
    MTH 30-21268-1 O C30-7 Diesel Engine W/Proto-Sound 3.0 - Seaboard Coast Line
    Number 30-21268-1
    Manufacturer MTH Trains
    Scale O
    $399.99
    Add to Wish List Add to Compare
  21. Lionel #LIO2349B Northern Pacific #2349 With Box
    Lionel #LIO2349B Northern Pacific #2349 With Box
    Number LIO2349B
    Manufacturer PostWar Vintage Trains
    Scale O
    Special Price $549.99 Regular Price $595.00
    Add to Wish List Add to Compare
per page
Filters
Now Shopping by
  1. Engine Style
    GP 15
  2. Engine Style
    C 30-7
  3. Engine Style
    GP 9
  4. Engine Style
    U 25B
Clear All
Shopping Options
Manufacturer
  1. Atlas 2 items
  2. Lionel Trains 10 items
  3. MTH Trains 8 items
  4. PostWar Vintage Trains 1 item
Product Line
  1. Lionel Legacy 10 items
  2. Lionel Vintage Post War 1 item
  3. MTH Premier 5 items
  4. MTH Railking 3 items
New Arrivals
  1. New 3 items
Preorder
  1. Yes 2 items
  2. No 19 items
Trains
  1. Diesel Locomotives 21 items
  2. TrainWorld Exclusive 2 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) 1 item
  2. DCC And Sound 2 items
  3. Proto Sound 3.0 8 items
  4. Legacy 10 items
Road Name
  1. Bangor & Aroostook - B&A 2 items
  2. Chesapeake & Ohio - C&O 1 item
  3. CSX 1 item
  4. Louisville & Nashville - L&N 1 item
  5. Minneapolis & St. Louis 2 items
  6. New Haven 1 item
  7. Norfolk & Western - N&W 1 item
  8. Northern Pacific - NP 1 item
  9. Pennsylvania - PRR - Penn 3 items
  10. Santa Fe 2 items
  11. Seaboard - SAL - SALX 1 item
  12. Union Pacific - UP 3 items
Catalog
  1. Atlas 2024 Vol1 2 items
  2. Lionel 2024 C1 10 items
Price
On Sale
  1. Yes 3 items
  2. No 18 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.