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

18 Items

Set Descending Direction
  1. MTH 20-21754-1 O SD-35 Diesel Engine w/Proto-Sound 3.0 (Hi-Rail Wheels) - Chessie (B&O) Cab No. 4450
    MTH 20-21754-1 O SD-35 Diesel Engine w/Proto-Sound 3.0 (Hi-Rail Wheels) - Chessie (B&O) Cab No. 4450
    Number 20-21754-1
    Manufacturer MTH Trains
    Scale O
    $549.99
    Add to Wish List Add to Compare
  2. MTH 20-21755-1 O SD-35 Diesel Engine w/Proto-Sound 3.0 (Hi-Rail Wheels) - Chessie (WM) Cab No. 4577
    MTH 20-21755-1 O SD-35 Diesel Engine w/Proto-Sound 3.0 (Hi-Rail Wheels) - Chessie (WM) Cab No. 4577
    Number 20-21755-1
    Manufacturer MTH Trains
    Scale O
    $549.99
    Add to Wish List Add to Compare
  3. MTH 20-21756-1 O SD-35 Diesel Engine w/Proto-Sound 3.0 (Hi-Rail Wheels) - Atlantic Coast Line Cab No. 1002
    MTH 20-21756-1 O SD-35 Diesel Engine w/Proto-Sound 3.0 (Hi-Rail Wheels) - Atlantic Coast Line Cab No. 1002
    Number 20-21756-1
    Manufacturer MTH Trains
    Scale O
    Special Price $499.99 Regular Price $549.99
    Add to Wish List Add to Compare
  4. MTH 20-21757-1 O SD-35 Diesel Engine w/Proto-Sound 3.0 (Hi-Rail Wheels) - Atlantic Coast Line Cab No. 1009
    MTH 20-21757-1 O SD-35 Diesel Engine w/Proto-Sound 3.0 (Hi-Rail Wheels) - Atlantic Coast Line Cab No. 1009
    Number 20-21757-1
    Manufacturer MTH Trains
    Scale O
    $549.99
    Add to Wish List Add to Compare
  5. MTH 20-21758-1 O SD-35 Diesel Engine w/Proto-Sound 3.0 (Hi-Rail Wheels) - CSX Cab No. 4519
    MTH 20-21758-1 O SD-35 Diesel Engine w/Proto-Sound 3.0 (Hi-Rail Wheels) - CSX Cab No. 4519
    Number 20-21758-1
    Manufacturer MTH Trains
    Scale O
    $549.99
    Add to Wish List Add to Compare
  6. MTH 20-21759-1 O SD-35 Diesel Engine w/Proto-Sound 3.0 (Hi-Rail Wheels) - CSX Cab No. 4525
    MTH 20-21759-1 O SD-35 Diesel Engine w/Proto-Sound 3.0 (Hi-Rail Wheels) - CSX Cab No. 4525
    Number 20-21759-1
    Manufacturer MTH Trains
    Scale O
    $549.99
    Add to Wish List Add to Compare
  7. MTH 20-21760-1 O SD-35 Diesel Engine w/Proto-Sound 3.0 (Hi-Rail Wheels) - Montana Rail Link Cab No. 702
    MTH 20-21760-1 O SD-35 Diesel Engine w/Proto-Sound 3.0 (Hi-Rail Wheels) - Montana Rail Link Cab No. 702
    Number 20-21760-1
    Manufacturer MTH Trains
    Scale O
    Special Price $519.99 Regular Price $549.99
    Add to Wish List Add to Compare
  8. MTH 20-21761-1 O SD-35 Diesel Engine w/Proto-Sound 3.0 (Hi-Rail Wheels) - Montana Rail Link Cab No. 705
    MTH 20-21761-1 O SD-35 Diesel Engine w/Proto-Sound 3.0 (Hi-Rail Wheels) - Montana Rail Link Cab No. 705
    Number 20-21761-1
    Manufacturer MTH Trains
    Scale O
    $549.99
    Add to Wish List Add to Compare
  9. Lionel 2234140 O Santa Fe #3009 - LionChief Plus 2.0 GP20
    Lionel 2234140 O Santa Fe #3009 - LionChief Plus 2.0 GP20
    Number 2234140
    Manufacturer Lionel Trains
    Scale O
    $449.99
    Add to Wish List Add to Compare
  10. Lionel 2234150 O Milwaukee Rd  #962 - LionChief Plus 2.0 GP20
    Lionel 2234150 O Milwaukee Rd  #962 - LionChief Plus 2.0 GP20
    Number 2234150
    Manufacturer Lionel Trains
    Scale O
    $449.99
    Out of stock
    Add to Wish List Add to Compare
  11. Lionel 2234160 O Conrail  #2108 - LionChief Plus 2.0 GP20
    Lionel 2234160 O Conrail  #2108 - LionChief Plus 2.0 GP20
    Number 2234160
    Manufacturer Lionel Trains
    Scale O
    $449.99
    Add to Wish List Add to Compare
  12. Lionel 2234170 O Burlington Northern #2054 - LionChief Plus 2.0 GP20
    Lionel 2234170 O Burlington Northern #2054 - LionChief Plus 2.0 GP20
    Number 2234170
    Manufacturer Lionel Trains
    Scale O
    $449.99
    Out of stock
    Add to Wish List Add to Compare
  13. Lionel 2333551 O Santa Fe LEGACY GP20 #1106
    Lionel 2333551 O Santa Fe LEGACY GP20 #1106
    Number 2333551
    Manufacturer Lionel Trains
    Scale O
    Special Price $549.99 Regular Price $584.99
    Add to Wish List Add to Compare
  14. Lionel 2333552 O Santa Fe LEGACY GP20 #1171
    Lionel 2333552 O Santa Fe LEGACY GP20 #1171
    Number 2333552
    Manufacturer Lionel Trains
    Scale O
    Special Price $549.99 Regular Price $584.99
    Out of stock
    Add to Wish List Add to Compare
  15. Lionel 2333600 O Kansas City Terminal LEGACY GP20 #2005
    Lionel 2333600 O Kansas City Terminal LEGACY GP20 #2005
    Number 2333600
    Manufacturer Lionel Trains
    Scale O
    Special Price $549.99 Regular Price $584.99
    Add to Wish List Add to Compare
  16. Lionel 2333830 O New York & Atlantic LEGACY GP20 #300 (Trainworld Exclusive)
    Lionel 2333830 O New York & Atlantic LEGACY GP20 #300 (Trainworld Exclusive)
    Number 2333830
    Manufacturer Lionel Trains
    Scale O
    Special Price $649.99 Regular Price $699.99
    Add to Wish List Add to Compare
  17. Lionel #LIOGP20ShellLOT 8066 TPW GP20 Shell LOT 2328-5
    Lionel #LIOGP20ShellLOT 8066 TPW GP20 Shell LOT 2328-5
    Number LIOGP20ShellLOT
    Manufacturer PostWar Vintage Trains
    Scale O
    $99.99
    Add to Wish List Add to Compare
  18. Lionel #LIOGP7GP20ShellLOT 2328 GP7 & GP20 Shell LOT 2328-5
    Lionel #LIOGP7GP20ShellLOT 2328 GP7 & GP20 Shell LOT 2328-5
    Number LIOGP7GP20ShellLOT
    Manufacturer PostWar Vintage Trains
    Scale O
    $129.99
    Add to Wish List Add to Compare
per page
Filters
Now Shopping by
  1. Engine Style
    GP 16 - GP 18 - GP 20
  2. Engine Style
    SD 35 - SDP 35
Clear All
Shopping Options
Manufacturer
  1. Lionel Trains 8 items
  2. MTH Trains 8 items
  3. PostWar Vintage Trains 2 items
Product Line
  1. Lionel Legacy 4 items
  2. Lionel Vintage Post War 2 items
  3. MTH Premier 8 items
Trains
  1. Diesel Locomotives 18 items
  2. TrainWorld Exclusive 1 item
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. Proto Sound 3.0 8 items
  2. LionChief (Basic, Plus, 2.0) 4 items
  3. Legacy 4 items
Road Name
  1. Atlantic Coast Line - ACL 2 items
  2. Burlington Northern - BN 1 item
  3. Chessie 2 items
  4. Conrail 1 item
  5. CSX 2 items
  6. Kansas City 1 item
  7. Milwaukee Road 1 item
  8. Montana Rail Link - Rail Link 2 items
  9. New York & Atlantic 1 item
  10. Santa Fe 3 items
  11. Toledo, Peoria & Western 1 item
  12. Western Maryland - WM 1 item
Couplers, Wheels, Parts
  1. Parts for Engines 2 items
Catalog
  1. Lionel 2022 C1 4 items
  2. Lionel 2023 C1 3 items
Price
On Sale
  1. Yes 6 items
  2. No 12 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.