We've searched the internet and found the largest collection of On30 Scale trains for sale is on eBay. Below are the listings for 'model railroad trains'.

BLACKSTONE MODELS HOn3 B370101 Snowplow Assembly for Blackstone K 27
BLACKSTONE MODELS HOn3 B370101 Snowplow Assembly for Blackstone K 27
$26.99
Time Remaining: 3d 13m
Buy It Now for only: $26.99
BLACKSTONE MODELS HOn3 B370111 Road Pilot Assembly for Blackstone K 27
BLACKSTONE MODELS HOn3 B370111 Road Pilot Assembly for Blackstone K 27
$26.99
Time Remaining: 3d 21m
Buy It Now for only: $26.99
BLACKSTONE MODELS HOn3 B370112 Switcher Pilot Assembly for Blackstone K 27
BLACKSTONE MODELS HOn3 B370112 Switcher Pilot Assembly for Blackstone K 27
$26.99
Time Remaining: 3d 25m
Buy It Now for only: $26.99
0 ON30 MILEPOST MODELS ROGERS PLUMBING  HEATING SUPPLY 1809 NEW RE ISSUE
0 ON30 MILEPOST MODELS ROGERS PLUMBING HEATING SUPPLY 1809 NEW RE ISSUE
$49.50
Time Remaining: 5d 11h 35m
Buy It Now for only: $49.50
SUPERB BRIEFCASE MODEL RAILWAY LAYOUT AND TRAIN BY MOUNTAIN LAKE MODELS RAILWAYS
SUPERB BRIEFCASE MODEL RAILWAY LAYOUT AND TRAIN BY MOUNTAIN LAKE MODELS RAILWAYS
$1,621.61
Time Remaining: 8d 21h 29m
Buy It Now for only: $1,621.61
O ON30 SCALE SILVER CITY MODELS RESIN STEAM BOILER LOGGING
O ON30 SCALE SILVER CITY MODELS RESIN STEAM BOILER LOGGING
$39.95
Time Remaining: 11d 12h 17m
Buy It Now for only: $39.95
Dundas Models DM25 Festiniog Railway 2 Ton Steel Sided Slate Wagon 5 Pack T48
Dundas Models DM25 Festiniog Railway 2 Ton Steel Sided Slate Wagon 5 Pack T48
$35.56
Time Remaining: 12d 8h 45m
Buy It Now for only: $35.56
O On3 On30 WISEMAN MODELS OKT 01 KLEIBER CLOSED CAB LIGHT DELIVERY TRUCK KIT
O On3 On30 WISEMAN MODELS OKT 01 KLEIBER CLOSED CAB LIGHT DELIVERY TRUCK KIT
$54.95
Time Remaining: 14d 14h 17m
Buy It Now for only: $54.95
O On3 On30 1 48 WISEMAN MODELS OKT 03 KLEIBER CLOSED CAB CANOPY TRUCK KIT
O On3 On30 1 48 WISEMAN MODELS OKT 03 KLEIBER CLOSED CAB CANOPY TRUCK KIT
$59.95
Time Remaining: 14d 14h 27m
Buy It Now for only: $59.95
O On3 On30 1 48 WISEMAN MODELS OKT 04 KLEIBER CLOSED CAB CEMENT MIXER TRUCK KIT
O On3 On30 1 48 WISEMAN MODELS OKT 04 KLEIBER CLOSED CAB CEMENT MIXER TRUCK KIT
$64.95
Time Remaining: 14d 14h 30m
Buy It Now for only: $64.95
O On3 On30 1 48 WISEMAN MODELS OKT 06 KLEIBER CLOSED CAB FLAT BED TRUCK KIT
O On3 On30 1 48 WISEMAN MODELS OKT 06 KLEIBER CLOSED CAB FLAT BED TRUCK KIT
$54.95
Time Remaining: 14d 14h 35m
Buy It Now for only: $54.95
O On3 On30 1 48 WISEMAN MODELS OKT 07 KLEIBER CLOSED CAB KEROSENE TANK TRUCK KIT
O On3 On30 1 48 WISEMAN MODELS OKT 07 KLEIBER CLOSED CAB KEROSENE TANK TRUCK KIT
$64.95
Time Remaining: 14d 14h 36m
Buy It Now for only: $64.95
O On3 On30 1 48 WISEMAN MODELS OKT 09 KLEIBER CLOSED CAB OVAL OIL TANK TRUCK KIT
O On3 On30 1 48 WISEMAN MODELS OKT 09 KLEIBER CLOSED CAB OVAL OIL TANK TRUCK KIT
$64.95
Time Remaining: 14d 14h 38m
Buy It Now for only: $64.95
O On3 On30 1 48 WISEMAN MODELS OKT 13 KLEIBER CLOSED CAB STAKE BED TRUCK KIT
O On3 On30 1 48 WISEMAN MODELS OKT 13 KLEIBER CLOSED CAB STAKE BED TRUCK KIT
$59.95
Time Remaining: 14d 14h 52m
Buy It Now for only: $59.95
O On3 On30 1 48 WISEMAN MODELS OKT 14 KLEIBER CLOSED CAB WRECKER TRUCK KIT
O On3 On30 1 48 WISEMAN MODELS OKT 14 KLEIBER CLOSED CAB WRECKER TRUCK KIT
$64.95
Time Remaining: 14d 14h 54m
Buy It Now for only: $64.95
O On3 On30 1 48 WISEMAN MODELS OKT 16 KLEIBER LOGGING CAMP SUPPLY TRUCK KIT
O On3 On30 1 48 WISEMAN MODELS OKT 16 KLEIBER LOGGING CAMP SUPPLY TRUCK KIT
$64.95
Time Remaining: 14d 14h 59m
Buy It Now for only: $64.95
O On3 On30 WISEMAN MODELS OKT 17 KLEIBER OPEN CAB LIGHT DELIVERY TRUCK KIT
O On3 On30 WISEMAN MODELS OKT 17 KLEIBER OPEN CAB LIGHT DELIVERY TRUCK KIT
$54.95
Time Remaining: 14d 15h 3m
Buy It Now for only: $54.95
O On3 On30 1 48 WISEMAN MODELS OKT 19 KLEIBER OPEN CAB CANOPY BED TRUCK KIT
O On3 On30 1 48 WISEMAN MODELS OKT 19 KLEIBER OPEN CAB CANOPY BED TRUCK KIT
$59.95
Time Remaining: 14d 15h 7m
Buy It Now for only: $59.95
O On3 On30 1 48 WISEMAN MODELS OKT 20 KLEIBER OPEN CAB CEMENT MIXER TRUCK KIT
O On3 On30 1 48 WISEMAN MODELS OKT 20 KLEIBER OPEN CAB CEMENT MIXER TRUCK KIT
$64.95
Time Remaining: 14d 15h 9m
Buy It Now for only: $64.95
O SCALE On3 On30 1 48 WISEMAN MODELS OKT 22 KLEIBER OPEN CAB FLAT BED TRUCK KIT
O SCALE On3 On30 1 48 WISEMAN MODELS OKT 22 KLEIBER OPEN CAB FLAT BED TRUCK KIT
$54.95
Time Remaining: 14d 15h 13m
Buy It Now for only: $54.95
O On3 On30 1 48 WISEMAN MODELS OKT 23 KLEIBER OPEN CAB KEROSENE TANK TRUCK KIT
O On3 On30 1 48 WISEMAN MODELS OKT 23 KLEIBER OPEN CAB KEROSENE TANK TRUCK KIT
$64.95
Time Remaining: 14d 15h 16m
Buy It Now for only: $64.95

Other On30 Scale train items recently purchased through this site:

ON3 ON30 SILVER CITY MODELS KILGORE MOW SUPPLY CAR KIT LOGGING
0 ON30 MILEPOST MODELS ROGERS PLUMBING HEATING SUPPLY 1809 NEW RE ISSUE
BLACKSTONE MODELS HOn3 B370101 Snowplow Assembly for Blackstone K 27
HOn3 BRASS DRGW UNITED SCALE MODELS TENDER TRUCKS NIB
O On3 On30 1 48 WISEMAN MODELS OKT 13 KLEIBER CLOSED CAB STAKE BED TRUCK KIT
HON3 6 PACKS OF DRGW DECAL NEW MICOSCALESANJUAN TIMBER CREEK MODELS
O On3 On30 1 48 WISEMAN MODELS OKT 14 KLEIBER CLOSED CAB WRECKER TRUCK KIT
O ON30 SCALE SILVER CITY MODELS RESIN STEAM BOILER LOGGING
O On3 On30 1 48 WISEMAN MODELS OKT 28 KLEIBER OPEN CAB STAKE BED TRUCK KIT
O On3 On30 1 48 WISEMAN MODELS OKT 20 KLEIBER OPEN CAB CEMENT MIXER TRUCK KIT
BLACKSTONE MODELS HOn3 B370111 Road Pilot Assembly for Blackstone K 27
O On3 On30 1 48 WISEMAN MODELS OKT 23 KLEIBER OPEN CAB KEROSENE TANK TRUCK KIT
ON3 ON30 SILVER CITY MODELS DRGW 1872 14 4 WHEEL GONDOLA CAR KIT
BLACKSTONE MODELS HOn3 B370112 Switcher Pilot Assembly for Blackstone K 27
O On3 On30 WISEMAN MODELS OKT 17 KLEIBER OPEN CAB LIGHT DELIVERY TRUCK KIT
O On3 On30 1 48 WISEMAN MODELS OKT 07 KLEIBER CLOSED CAB KEROSENE TANK TRUCK KIT
ON3 ON30 SILVER CITY MODELS DRGW 1872 12 4 WHEEL BOX CAR KIT
O On3 On30 WISEMAN MODELS OKT 01 KLEIBER CLOSED CAB LIGHT DELIVERY TRUCK KIT
O On3 On30 1 48 WISEMAN MODELS OKT 25 KLEIBER OPEN CAB OVAL OIL TANK TRUCK KIT
O On3 On30 1 48 WISEMAN MODELS OKT 16 KLEIBER LOGGING CAMP SUPPLY TRUCK KIT
O On3 On30 1 48 WISEMAN MODELS OKT 06 KLEIBER CLOSED CAB FLAT BED TRUCK KIT
O On3 On30 1 48 WISEMAN MODELS OKT 04 KLEIBER CLOSED CAB CEMENT MIXER TRUCK KIT
O On3 On30 1 48 WISEMAN MODELS OKT 19 KLEIBER OPEN CAB CANOPY BED TRUCK KIT
O On3 On30 1 48 WISEMAN MODELS OKT 03 KLEIBER CLOSED CAB CANOPY TRUCK KIT
O SCALE On3 On30 1 48 WISEMAN MODELS OKT 22 KLEIBER OPEN CAB FLAT BED TRUCK KIT