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 41

Set Descending Direction
  1. MTH 20-21894-1 O SD50 Diesel Engine w/Proto-Sound 3.0- Chessie #8577
    MTH 20-21894-1 O SD50 Diesel Engine w/Proto-Sound 3.0- Chessie #8577
    Number 20-21894-1
    Manufacturer MTH Trains
    Scale O
    $549.99
    Add to Wish List Add to Compare
  2. MTH 20-21896-1 O SD50 Diesel Engine w/Proto-Sound 3.0- Reading & Northern #5014
    MTH 20-21896-1 O SD50 Diesel Engine w/Proto-Sound 3.0- Reading & Northern #5014
    Number 20-21896-1
    Manufacturer MTH Trains
    Scale O
    $569.99
    Add to Wish List Add to Compare
  3. MTH 20-21900-1 O SD50 Diesel Engine w/Proto-Sound 3.0- Norfolk Southern #6506
    MTH 20-21900-1 O SD50 Diesel Engine w/Proto-Sound 3.0- Norfolk Southern #6506
    Number 20-21900-1
    Manufacturer MTH Trains
    Scale O
    $549.99
    Add to Wish List Add to Compare
  4. MTH 20-21901-1 O SD50 Diesel Engine w/Proto-Sound 3.0- Norfolk Southern #6520
    MTH 20-21901-1 O SD50 Diesel Engine w/Proto-Sound 3.0- Norfolk Southern #6520
    Number 20-21901-1
    Manufacturer MTH Trains
    Scale O
    $549.99
    Add to Wish List Add to Compare
  5. MTH 20-21902-1 O SD50 Diesel Engine w/Proto-Sound 3.0- Conrail #6792
    MTH 20-21902-1 O SD50 Diesel Engine w/Proto-Sound 3.0- Conrail #6792
    Number 20-21902-1
    Manufacturer MTH Trains
    Scale O
    $549.99
    Add to Wish List Add to Compare
  6. MTH 20-21903-1 O SD50 Diesel Engine w/Proto-Sound 3.0- Conrail #6804
    MTH 20-21903-1 O SD50 Diesel Engine w/Proto-Sound 3.0- Conrail #6804
    Number 20-21903-1
    Manufacturer MTH Trains
    Scale O
    $549.99
    Add to Wish List Add to Compare
  7. Lionel 2433231 B&O SD-50 #8577 w/Legacy
    Lionel 2433231 B&O SD-50 #8577 w/Legacy
    Number 2433231
    Manufacturer Lionel Trains
    Scale O
    $649.99
    Out of stock
    Add to Wish List Add to Compare
  8. Lionel 2433232 B&O SD-50 #8584 w/Legacy
    Lionel 2433232 B&O SD-50 #8584 w/Legacy
    Number 2433232
    Manufacturer Lionel Trains
    Scale O
    $649.99
    Out of stock
    Add to Wish List Add to Compare
  9. Lionel 2433239 B&O SD-50 SuperBass Non Powered #8593
    Lionel 2433239 B&O SD-50 SuperBass Non Powered #8593
    Number 2433239
    Manufacturer Lionel Trains
    Scale O
    $599.99
    Add to Wish List Add to Compare
  10. Lionel 2433241 Conrail SD-50 #6709 w/Legacy
    Lionel 2433241 Conrail SD-50 #6709 w/Legacy
    Number 2433241
    Manufacturer Lionel Trains
    Scale O
    $584.99
    Out of stock
    Add to Wish List Add to Compare
  11. Lionel 2433249 Conrail SD-50 SuperBass Non Powered #6720
    Lionel 2433249 Conrail SD-50 SuperBass Non Powered #6720
    Number 2433249
    Manufacturer Lionel Trains
    Scale O
    $539.99
    Add to Wish List Add to Compare
  12. Lionel 2433250 Conrail SD-50 #6707 w/Legacy
    Lionel 2433250 Conrail SD-50 #6707 w/Legacy
    Number 2433250
    Manufacturer Lionel Trains
    Scale O
    $584.99
    Add to Wish List Add to Compare
  13. Lionel 2433261 Rio Grande #5503 SD-50 w/Legacy
    Lionel 2433261 Rio Grande #5503 SD-50 w/Legacy
    Number 2433261
    Manufacturer Lionel Trains
    Scale O
    $649.99
    Add to Wish List Add to Compare
  14. Lionel 2433262 Rio Grande #5507 SD-50 w/Legacy
    Lionel 2433262 Rio Grande #5507 SD-50 w/Legacy
    Number 2433262
    Manufacturer Lionel Trains
    Scale O
    $649.99
    Add to Wish List Add to Compare
  15. Lionel 2433269 Rio Grande #5515 SD-50 SuperBass Non Powered
    Lionel 2433269 Rio Grande #5515 SD-50 SuperBass Non Powered
    Number 2433269
    Manufacturer Lionel Trains
    Scale O
    $599.99
    Add to Wish List Add to Compare
  16. Lionel 2433271 Missouri Pacific #5000 SD-50 w/Legacy
    Lionel 2433271 Missouri Pacific #5000 SD-50 w/Legacy
    Number 2433271
    Manufacturer Lionel Trains
    Scale O
    $584.99
    Add to Wish List Add to Compare
  17. Lionel 2433272 Missouri Pacific #5041 SD-50 w/Legacy
    Lionel 2433272 Missouri Pacific #5041 SD-50 w/Legacy
    Number 2433272
    Manufacturer Lionel Trains
    Scale O
    $584.99
    Add to Wish List Add to Compare
  18. Lionel 2433279 Missouri Pacific #5050 SD-50 SuperBass Non Powered
    Lionel 2433279 Missouri Pacific #5050 SD-50 SuperBass Non Powered
    Number 2433279
    Manufacturer Lionel Trains
    Scale O
    Special Price $499.99 Regular Price $539.99
    Add to Wish List Add to Compare
  19. Lionel 2433281 Norfolk Southern SD40E #6313 SD-50 w/Legacy
    Lionel 2433281 Norfolk Southern SD40E #6313 SD-50 w/Legacy
    Number 2433281
    Manufacturer Lionel Trains
    Scale O
    $649.99
    Add to Wish List Add to Compare
  20. Lionel 2433282 Norfolk Southern SD40E #6319 SD-50 w/Legacy
    Lionel 2433282 Norfolk Southern SD40E #6319 SD-50 w/Legacy
    Number 2433282
    Manufacturer Lionel Trains
    Scale O
    $649.99
    Add to Wish List Add to Compare
  21. Lionel 2433291 Reading and Northern #5018 SD-50 w/Legacy
    Lionel 2433291 Reading and Northern #5018 SD-50 w/Legacy
    Number 2433291
    Manufacturer Lionel Trains
    Scale O
    $584.99
    Add to Wish List Add to Compare
  22. Lionel 2433300 O Legacy Diesel Alco S2 ADM #1
    Lionel 2433300 O Legacy Diesel Alco S2 ADM #1
    Number 2433300
    Manufacturer Lionel Trains
    Scale O
    $549.99
    Add to Wish List Add to Compare
  23. Lionel 2433310 O Legacy Diesel Alco S2 Canadian Pacific #7020
    Lionel 2433310 O Legacy Diesel Alco S2 Canadian Pacific #7020
    Number 2433310
    Manufacturer Lionel Trains
    Scale O
    $549.99
    Add to Wish List Add to Compare
  24. Lionel 2433320 O Legacy Diesel Alco S2 Staten Island #821
    Lionel 2433320 O Legacy Diesel Alco S2 Staten Island #821
    Number 2433320
    Manufacturer Lionel Trains
    Scale O
    $599.99
    Add to Wish List Add to Compare
  25. Lionel 2433330 O Legacy Diesel Alco S2 Lehigh & New England #611
    Lionel 2433330 O Legacy Diesel Alco S2 Lehigh & New England #611
    Number 2433330
    Manufacturer Lionel Trains
    Scale O
    $549.99
    Add to Wish List Add to Compare
  26. Lionel 2433340 O Legacy Diesel Alco S2 NASA #2
    Lionel 2433340 O Legacy Diesel Alco S2 NASA #2
    Number 2433340
    Manufacturer Lionel Trains
    Scale O
    $549.99
    Add to Wish List Add to Compare
  27. Lionel 2433350 O Legacy Diesel Alco S2 US Army #7100
    Lionel 2433350 O Legacy Diesel Alco S2 US Army #7100
    Number 2433350
    Manufacturer Lionel Trains
    Scale O
    $549.99
    Add to Wish List Add to Compare
  28. Lionel 2433830 O LIRR Long Island Legacy Alco S2 Switcher #444 (TrainWorld Exclusive)
    Lionel 2433830 O LIRR Long Island Legacy Alco S2 Switcher #444 (TrainWorld Exclusive)
    Number 2433830
    Manufacturer Lionel Trains
    Scale O
    $599.99
    Add to Wish List Add to Compare
  29. Atlas O PREMIER 30138048 S-2 LOCOMOTIVE ALASKA RAILROAD 7112 (BLACK/YELLOW)
    Atlas O PREMIER 30138048 S-2 LOCOMOTIVE ALASKA RAILROAD 7112 (BLACK/YELLOW)
    Number 30138048
    Manufacturer Atlas
    Scale O
    $599.99
    Add to Wish List Add to Compare
  30. Atlas O PREMIER 30138049 S-2 LOCOMOTIVE ALASKA RAILROAD 7123 (BLACK/YELLOW)
    Atlas O PREMIER 30138049 S-2 LOCOMOTIVE ALASKA RAILROAD 7123 (BLACK/YELLOW)
    Number 30138049
    Manufacturer Atlas
    Scale O
    $599.99
    Add to Wish List Add to Compare
  31. Atlas O PREMIER 30138050 S-2 LOCOMOTIVE ATLANTIC COAST LINE 630 (PURPLE/SILVER)
    Atlas O PREMIER 30138050 S-2 LOCOMOTIVE ATLANTIC COAST LINE 630 (PURPLE/SILVER)
    Number 30138050
    Manufacturer Atlas
    Scale O
    $599.99
    Add to Wish List Add to Compare
  32. Atlas O PREMIER 30138051 S-2 LOCOMOTIVE ATLANTIC COAST LINE 633 (PURPLE/SILVER)
    Atlas O PREMIER 30138051 S-2 LOCOMOTIVE ATLANTIC COAST LINE 633 (PURPLE/SILVER)
    Number 30138051
    Manufacturer Atlas
    Scale O
    $599.99
    Add to Wish List Add to Compare
  33. Atlas O PREMIER 30138053 S-2 LOCOMOTIVE ERIE LACKAWANNA 542 (GRAY/MAROON/YELLOW)
    Atlas O PREMIER 30138053 S-2 LOCOMOTIVE ERIE LACKAWANNA 542 (GRAY/MAROON/YELLOW)
    Number 30138053
    Manufacturer Atlas
    Scale O
    $599.99
    Add to Wish List Add to Compare
  34. Atlas O PREMIER 30138054 S-2 LOCOMOTIVE NEW YORK CENTRAL SYSTEM 8542 (BLACK/WHITE)
    Atlas O PREMIER 30138054 S-2 LOCOMOTIVE NEW YORK CENTRAL SYSTEM 8542 (BLACK/WHITE)
    Number 30138054
    Manufacturer Atlas
    Scale O
    $599.99
    Add to Wish List Add to Compare
  35. Atlas O PREMIER 30138055 S-2 LOCOMOTIVE NEW YORK CENTRAL SYSTEM 8548 (BLACK/WHITE)
    Atlas O PREMIER 30138055 S-2 LOCOMOTIVE NEW YORK CENTRAL SYSTEM 8548 (BLACK/WHITE)
    Number 30138055
    Manufacturer Atlas
    Scale O
    $599.99
    Add to Wish List Add to Compare
Page
per page
Filters
Now Shopping by
  1. Engine Style
    SD 50
  2. Engine Style
    S 2
Clear All
Shopping Options
Manufacturer
  1. Atlas 13 items
  2. Lionel Trains 22 items
  3. MTH Trains 6 items
Product Line
  1. Lionel Legacy 22 items
  2. MTH Premier 6 items
New Arrivals
  1. New 6 items
Trains
  1. Diesel Locomotives 41 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 17 items
  3. Legacy 18 items
  4. Non Powered 4 items
Road Name
  1. ADM - Archer Daniels Midland 1 item
  2. Alaska Railroad - ARR 2 items
  3. Army 1 item
  4. Atlantic Coast Line - ACL 2 items
  5. Baltimore & Ohio - B&O 3 items
  6. Canadian Pacific - CP - CP Rail 1 item
  7. Chessie 1 item
  8. Conrail 5 items
  9. Erie Lackawanna - EL 1 item
  10. Lehigh & New England 1 item
  11. Long Island - LIRR 3 items
  12. Military 1 item
  13. Missouri Pacific - MP 3 items
  14. NASA 1 item
  15. New York Central - NYC 2 items
  16. Norfolk Southern - NS 4 items
  17. Reading & Northern 2 items
  18. Rio Grande - Denver Rio Grande - DRGW 3 items
  19. Staten Island 1 item
  20. Union Pacific - UP 2 items
  21. Western Pacific 2 items
Catalog
  1. Lionel 2023 C2 22 items
Price
On Sale
  1. Yes 1 item
  2. No 40 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.