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O Scale Diesel Engines

Diesel Engines Galore! Shop our wide selection of O Scale Diesel Engines here:
MTH Premier 20-21660-1 Union Pacific 3GS21B Genset Diesel Engine with Proto-Sound 3.0. O SCALE NEW
MTH Premier 20-21660-1 Union Pacific 3GS21B Genset Diesel Engine with Proto-Sound 3.0. O SCALE NEW
$525.00 $559.95 Sale
MTH Premier 20-21608-1 Reading VO 1000 Diesel Engine with Proto-Sound 3.0 O SCALE NEW
MTH Premier 20-21608-1 Reading VO 1000 Diesel Engine with Proto-Sound 3.0 O SCALE NEW
$485.00 $530.00 Sale
MTH Premier 20-21606-1 Great Northern VO 1000 Diesel Engine in . O SCALE NEW
MTH Premier 20-21606-1 Great Northern VO 1000 Diesel Engine in . O SCALE NEW
$485.00 $529.95 Sale
MTH Premier 20-21607-1 Great Northern VO 1000 Diesel Engine in O SCALE NEW
MTH Premier 20-21607-1 Great Northern VO 1000 Diesel Engine in O SCALE NEW
$485.00 $529.95 Sale
MTH Premier 20-21605-1 Canton VO 1000 Diesel Engine O SCALE NEW
MTH Premier 20-21605-1 Canton VO 1000 Diesel Engine O SCALE NEW
$485.00 $529.95 Sale
MTH Premier 20-21604-1 Canton VO 1000 Diesel Engine with Proto-Sound 3.0. O SCALE NEW
MTH Premier 20-21604-1 Canton VO 1000 Diesel Engine with Proto-Sound 3.0. O SCALE NEW
$485.00 $529.95 Sale
MTH Premier 20-21602-1 Pennsylvania VO 1000 Diesel Engine in with Proto-Sound 3.0. O SCALE NEW
MTH Premier 20-21602-1 Pennsylvania VO 1000 Diesel Engine in with Proto-Sound 3.0. O SCALE NEW
$485.00 $529.95 Sale
MTH Premier 20-21603-1 Pennsylvania VO 1000 Diesel Engine in with Proto-Sound 3.0. O SCALE NEW
MTH Premier 20-21603-1 Pennsylvania VO 1000 Diesel Engine in with Proto-Sound 3.0. O SCALE NEW
$485.00 $529.95 Sale
MTH Premier 20-21586-3 Santa Fe F-3 B-Unit Diesel (Non-Powered) O SCALE NEW
MTH Premier 20-21586-3 Santa Fe F-3 B-Unit Diesel (Non-Powered) O SCALE NEW
$220.00 $240.00 Sale
MTH Premier 20-21583-4 Baltimore & Ohio O Scale Premier F-3 A Unit Non-Powered Diesel Engine in Baltimore & Ohio. NEW
MTH Premier 20-21583-4 Baltimore & Ohio O Scale Premier F-3 A Unit Non-Powered Diesel Engine in Baltimore & Ohio. NEW
$220.00 $239.95 Sale
MTH Premier 20-21664-1 U.S. Army 3GS21B Genset Diesel Engine in U.S. Army livery with Proto-Sound 3.0. O SCALE NEW
MTH Premier 20-21664-1 U.S. Army 3GS21B Genset Diesel Engine in U.S. Army livery with Proto-Sound 3.0. O SCALE NEW
$525.00 $560.00 Sale
MTH Premier 20-21581-4 Pennsylvania PRR Premier F-3 A Unit Non-Powered Diesel Engine (Hi-Rail Wheels) O Scale NEW
MTH Premier 20-21581-4 Pennsylvania PRR Premier F-3 A Unit Non-Powered Diesel Engine (Hi-Rail Wheels) O Scale NEW
$220.00 $239.95 Sale
MTH Railking 30-21216-1 Great Northern FP45 Diesel Engine O SCALE NEW
MTH Railking 30-21216-1 Great Northern FP45 Diesel Engine O SCALE NEW
$385.00 $429.95 Sale
MTH Railking 30-21136-1 Jersey Central NW-2 Switcher Diesel Engine O SCALE NEW
MTH Railking 30-21136-1 Jersey Central NW-2 Switcher Diesel Engine O SCALE NEW
$350.00 $380.00 Sale
MTH Railking 30-21161-1 Iowa Interstate ES44AC Imperial Diesel Engine in . O SCALE NEW
MTH Railking 30-21161-1 Iowa Interstate ES44AC Imperial Diesel Engine in . O SCALE NEW
$400.00 $430.00 Sale
MTH Railking 30-21090-1 BNSF Dash-8 Diesel Engine with Proto-Sound 3.0. O SCALE NEW
MTH Railking 30-21090-1 BNSF Dash-8 Diesel Engine with Proto-Sound 3.0. O SCALE NEW
$385.00 $425.00 Sale
MTH Railking 30-21119-1 Conrail SD-45 Diesel Engine O SCALE NEW
MTH Railking 30-21119-1 Conrail SD-45 Diesel Engine O SCALE NEW
$385.00 $420.00 Sale
MTH Railking 30-21118-1 Erie Lackawanna SD-45 Diesel Engine with Proto-Sound 3.0. O SCALE NEW
MTH Railking 30-21118-1 Erie Lackawanna SD-45 Diesel Engine with Proto-Sound 3.0. O SCALE NEW
$385.00 $419.95 Sale
MTH Railking 30-21075-1 Union Pacific Alco PA AA Diesel Set O SCALE NEW
MTH Railking 30-21075-1 Union Pacific Alco PA AA Diesel Set O SCALE NEW
$425.00 $500.00 Sale
MTH Railking 30-21074-1 Santa Fe Alco PA AA Diesel Set O SCALE NEW
MTH Railking 30-21074-1 Santa Fe Alco PA AA Diesel Set O SCALE NEW
$425.00 $469.95 Sale
MTH Railking 30-21016-3 U.S. Navy O Gauge RailKing SW1200 Switcher Diesel Engine Calf (Non-Powered) O SCALE NEW
MTH Railking 30-21016-3 U.S. Navy O Gauge RailKing SW1200 Switcher Diesel Engine Calf (Non-Powered) O SCALE NEW
$150.00 $189.95 Sale
MTH Railking 30-21017-1 Southern Pacific SW1200 Switcher Diesel Engine with Proto-Sound 3.0. O SCALE NEW
MTH Railking 30-21017-1 Southern Pacific SW1200 Switcher Diesel Engine with Proto-Sound 3.0. O SCALE NEW
$350.00 $380.00 Sale
MTH Railking 30-20977-1 Kansas City Southern ES44AC Imperial Diesel Engine in Kansas City Southern with Proto-Sound 3.0. O SCALE NEW
MTH Railking 30-20977-1 Kansas City Southern ES44AC Imperial Diesel Engine in Kansas City Southern with Proto-Sound 3.0. O SCALE NEW
$375.00 $400.00 Sale
MTH Railking 30-20959-1 Reading MP15DC Diesel Engine in Reading. O SCALE NEW
MTH Railking 30-20959-1 Reading MP15DC Diesel Engine in Reading. O SCALE NEW
$345.00 $375.00 Sale
MTH Railking 30-20957-1 Louisville & Nashville MP15AC Diesel Engine w/Proto-Sound 3.0 O SCALE NEW
MTH Railking 30-20957-1 Louisville & Nashville MP15AC Diesel Engine w/Proto-Sound 3.0 O SCALE NEW
$345.00 $380.00 Sale
MTH Railking 30-20945-1 Canadian Pacific SD70ACe Imperial Diesel Engine in Military - Dark Green. O SCALE NEW
MTH Railking 30-20945-1 Canadian Pacific SD70ACe Imperial Diesel Engine in Military - Dark Green. O SCALE NEW
$375.00 $399.95 Sale
MTH Railking 30-20946-1 Canadian Pacific CP SD70ACe Imperial Diesel Engine in Military - Gray. O SCALE NEW
MTH Railking 30-20946-1 Canadian Pacific CP SD70ACe Imperial Diesel Engine in Military - Gray. O SCALE NEW
$375.00 $399.95 Sale
MTH Railking 30-20898-1 Nickel Plate Road SD-9 Diesel Engine w/Proto-Sound 3.0 O SCALE NEW
MTH Railking 30-20898-1 Nickel Plate Road SD-9 Diesel Engine w/Proto-Sound 3.0 O SCALE NEW
$340.00 $369.95 Sale
MTH Railking 30-20911-1 Erie Lackawanna SW-8 Switcher Diesel Engine in . O SCALE NEW
MTH Railking 30-20911-1 Erie Lackawanna SW-8 Switcher Diesel Engine in . O SCALE NEW
$340.00 $369.95 Sale
MTH Railking 30-20909-1 Northern Pacific SW-9 Switcher Diesel Engine O SCALE NEW
MTH Railking 30-20909-1 Northern Pacific SW-9 Switcher Diesel Engine O SCALE NEW
$340.00 $369.95 Sale
MTH Railking 30-20887-1 Chicago North Western CNW AS-616 Diesel Engine O SCALE NEW
MTH Railking 30-20887-1 Chicago North Western CNW AS-616 Diesel Engine O SCALE NEW
$340.00 $369.95 Sale
MTH Railking 30-20886-1 Union Pacific AS-616 Diesel Engine in Union Pacific Streamliners scheme with Proto-Sound 3.0. O SCALE NEW
MTH Railking 30-20886-1 Union Pacific AS-616 Diesel Engine in Union Pacific Streamliners scheme with Proto-Sound 3.0. O SCALE NEW
$325.00 $369.95 Sale
MTH Railking 30-20819-1 EMD Demonstrator F-3 ABA Diesel Engine Set . O SCALE NEW
MTH Railking 30-20819-1 EMD Demonstrator F-3 ABA Diesel Engine Set . O SCALE NEW
$550.00 $579.95 Sale
MTH Railking 30-20585-3 Cambria and Indiana O Gauge RailKing SW-9 Switcher Diesel Engine Calf (Non-Powered) O SCALE NEW
MTH Railking 30-20585-3 Cambria and Indiana O Gauge RailKing SW-9 Switcher Diesel Engine Calf (Non-Powered) O SCALE NEW
$160.00 $179.95 Sale
MTH Railking 30-20682-1 Kansas City Southern SD70ACe Imperial Diesel Engine in Veteran's livery. PS 3.0 O SCALE NEW
MTH Railking 30-20682-1 Kansas City Southern SD70ACe Imperial Diesel Engine in Veteran's livery. PS 3.0 O SCALE NEW
$315.00 $369.95 Sale
MTH 30-20393-1, 30-20393-3 Alaska E-8 ABA Diesel Engine Set: E-8AA w/Proto-Sound 3.0 and E-8 B Unit (Nonpowered) O Scale NEW
MTH 30-20393-1, 30-20393-3 Alaska E-8 ABA Diesel Engine Set: E-8AA w/Proto-Sound 3.0 and E-8 B Unit (Nonpowered) O Scale NEW
$475.00 $500.00 Sale
MTH Railking 30-20407-3 U.S. Army O Gauge RailKing SW-8 Switcher Diesel Engine Calf (Non-Powered) O SCALE NEW
MTH Railking 30-20407-3 U.S. Army O Gauge RailKing SW-8 Switcher Diesel Engine Calf (Non-Powered) O SCALE NEW
$150.00 $169.95 Sale
Lionel 6-14584 WABASH TMCC NON-POWERED F3 DIESEL A-UNIT #2240 O SCALE Like New
Lionel 6-14584 WABASH TMCC NON-POWERED F3 DIESEL A-UNIT #2240 O SCALE Like New
$175.00 $200.00 Sale
Lionel 2242-15 NH "checkerboard" EMD F3 A/B diesel O SCALE Like New
Lionel 2242-15 NH "checkerboard" EMD F3 A/B diesel O SCALE Like New
$325.00 $350.00 Sale
MTH Premier 20-21879-1 CSX AC6000 Diesel Engine w/Proto-Sound 3.0 #698. O SCALE LIMITED NEW
MTH Premier 20-21879-1 CSX AC6000 Diesel Engine w/Proto-Sound 3.0 #698. O SCALE LIMITED NEW
$575.00 $599.95 Sale
MTH Premier 20-21878-1 CSX AC6000 Diesel Engine With Proto-Sound 3.0 #687. O SCALE LIMITED NEW
MTH Premier 20-21878-1 CSX AC6000 Diesel Engine With Proto-Sound 3.0 #687. O SCALE LIMITED NEW
$575.00 $599.95 Sale
Atlas 30138154 Union Pacific w/PTC 8810 (Yellow/Gray/Red) O SCALE NEW
Atlas 30138154 Union Pacific w/PTC 8810 (Yellow/Gray/Red) O SCALE NEW
$615.00 $649.95 Sale
MTH Premier 20-21881-1 G.E. Demonstrator AC6000 Diesel Engine w/Proto-Sound 3.0 #6001. O SCALE LIMITED NEW
MTH Premier 20-21881-1 G.E. Demonstrator AC6000 Diesel Engine w/Proto-Sound 3.0 #6001. O SCALE LIMITED NEW
$575.00 $599.95 Sale
MTH Premier 20-21875-1 Union Pacific UP AC6000 Diesel Engine With Proto-Sound 3.0 #7508. O SCALE LIMITED NEW
MTH Premier 20-21875-1 Union Pacific UP AC6000 Diesel Engine With Proto-Sound 3.0 #7508. O SCALE LIMITED NEW
$575.00 $599.95 Sale
Lionel 2434240 THE POLAR EXPRESS LIONCHIEF PLUS 2.0 GENESIS O SCALE Limited NEW
Lionel 2434240 THE POLAR EXPRESS LIONCHIEF PLUS 2.0 GENESIS O SCALE Limited NEW
$525.00 $549.99 Sale
MTH Railking 30-21253-1 Christmas Alco PA A-Unit Diesel Engine w/Proto-Sound 3.0 #1225. O SCALE Limited NEW
MTH Railking 30-21253-1 Christmas Alco PA A-Unit Diesel Engine w/Proto-Sound 3.0 #1225. O SCALE Limited NEW
$385.00 $399.95 Sale
MTH Railking 30-2375-3 Pittsburgh & Lake Erie SW1500 Switcher Diesel Engine (Non-Powered) #1567. O SCALE Like New
MTH Railking 30-2375-3 Pittsburgh & Lake Erie SW1500 Switcher Diesel Engine (Non-Powered) #1567. O SCALE Like New
$165.00 $175.00 Sale
MTH Premier 20-21725-1 Union Pacific UP SD24 Diesel Engine w/Proto-Sound 3.0 #429. O SCALE NEW
MTH Premier 20-21725-1 Union Pacific UP SD24 Diesel Engine w/Proto-Sound 3.0 #429. O SCALE NEW
$550.00 $559.95 Sale