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

6 Items

Set Descending Direction
  1. MTH 30-20990-1 O MP15AC Diesel Engine w/Proto-Sound 3.0 - South Brooklyn Cab No. N-1 Trainworld Exclusive
    MTH 30-20990-1 O MP15AC Diesel Engine w/Proto-Sound 3.0 - South Brooklyn Cab No. N-1 Trainworld Exclusive
    Number 30-20990-1
    Manufacturer MTH Trains
    Scale O
    $499.99
    Add to Wish List Add to Compare
  2. MTH 30-20991-1 O MP15AC Diesel Engine w/Proto-Sound 3.0 - NY Work Train #900 Trainworld Exclusive
    MTH 30-20991-1 O MP15AC Diesel Engine w/Proto-Sound 3.0 - NY Work Train #900 Trainworld Exclusive
    Number 30-20991-1
    Manufacturer MTH Trains
    Scale O
    $499.99
    Add to Wish List Add to Compare
  3. MTH 30-20992-1 O MP15AC Diesel Engine w/Proto-Sound 3.0 - NY Work Train #884 Trainworld Exclusive
    MTH 30-20992-1 O MP15AC Diesel Engine w/Proto-Sound 3.0 - NY Work Train #884 Trainworld Exclusive
    Number 30-20992-1
    Manufacturer MTH Trains
    Scale O
    $499.99
    Add to Wish List Add to Compare
  4. Atlas O PREMIER #30138024 EMD GP40 - Port Harbor 8955 - Proto-Sound 3.0
    Atlas O PREMIER #30138024 EMD GP40 - Port Harbor 8955 - Proto-Sound 3.0
    Number 30138024
    Manufacturer Atlas
    Scale O
    Special Price $399.99 Regular Price $549.99
    Add to Wish List Add to Compare
  5. Atlas 30138570 O PREMIER GP40 LOCOMOTIVE CHESAPEAKE AND OHIO 4077 (BLUE/YELLOW) - 3RL
    Atlas 30138570 O PREMIER GP40 LOCOMOTIVE CHESAPEAKE AND OHIO 4077 (BLUE/YELLOW) - 3RL
    Number 30138570
    Manufacturer Atlas
    Scale O
    $649.99
    Add to Wish List Add to Compare
  6. Atlas 30138576 O PREMIER GP40 LOCOMOTIVE METRA 10 (BLUE/WHITE/RED) - 3RL
    Atlas 30138576 O PREMIER GP40 LOCOMOTIVE METRA 10 (BLUE/WHITE/RED) - 3RL
    Number 30138576
    Manufacturer Atlas
    Scale O
    $649.99
    Add to Wish List Add to Compare
per page
Filters
Now Shopping by
  1. Engine Style
    MP15 AC-DC
  2. Engine Style
    GP 40 - GP 40-2
Clear All
Shopping Options
Manufacturer
  1. Atlas 3 items
  2. MTH Trains 3 items
Product Line
  1. MTH Railking 3 items
Preorder
  1. Yes 2 items
  2. No 4 items
Trains
  1. Diesel Locomotives 6 items
  2. TrainWorld Exclusive 3 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. DCC And Sound 2 items
  2. Proto Sound 3.0 4 items
Road Name
  1. Brooklyn 1 item
  2. Chesapeake & Ohio - C&O 1 item
  3. METRA 1 item
  4. New York Central - NYC 2 items
  5. Port Harbor 1 item
Catalog
  1. Atlas Winter 2025 2 items
Price
On Sale
  1. Yes 1 item
  2. No 5 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.