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 trains'.

ON3 ON30 SILVER CITY MODELS DRGW 1872 17 4 WHEEL GONDOLA CAR KIT
ON3 ON30 SILVER CITY MODELS DRGW 1872 17 4 WHEEL GONDOLA CAR KIT
$26.00
Time Remaining: 7h 2m
Buy It Now for only: $26.00
ON3 ON30 SILVER CITY MODELS DRGW 1872 12 4 WHEEL BOX CAR KIT
ON3 ON30 SILVER CITY MODELS DRGW 1872 12 4 WHEEL BOX CAR KIT
$36.00
Time Remaining: 7h 2m
Buy It Now for only: $36.00
MILEPOST MODELS ROGERS PLUMBING  HEATING SUPPLY 1809 NEW RE ISSUE
MILEPOST MODELS ROGERS PLUMBING HEATING SUPPLY 1809 NEW RE ISSUE
$50.60
Time Remaining: 23h 27m
Buy It Now for only: $50.60
Berkshire Valley Models O On3 On30 1 48 Grain Company kit 816
Berkshire Valley Models O On3 On30 1 48 Grain Company kit 816
$125.00
Time Remaining: 1d 22h 46m
Berkshire Valley Models O On3 On30 1 48 1930s Service Station kit 801
Berkshire Valley Models O On3 On30 1 48 1930s Service Station kit 801
$125.00
Time Remaining: 1d 22h 49m
SUPERB BRIEFCASE MODEL RAILWAY LAYOUT AND TRAIN BY MOUNTAIN LAKE MODELS RAILWAYS
SUPERB BRIEFCASE MODEL RAILWAY LAYOUT AND TRAIN BY MOUNTAIN LAKE MODELS RAILWAYS
$1,740.61
Time Remaining: 4d 9h 21m
Buy It Now for only: $1,740.61
Overland Models HO A H Log Loader with Base
Overland Models HO A H Log Loader with Base
$257.31 (1 Bid)
Time Remaining: 4d 14h 58m
HON3 6 PACKS OF DRGW DECAL NEW MICOSCALESANJUAN TIMBER CREEK MODELS
HON3 6 PACKS OF DRGW DECAL NEW MICOSCALESANJUAN TIMBER CREEK MODELS
$45.00
Time Remaining: 4d 21h 33m
On30 Blue Mountain Models 28 Ft Flat Car Kit SRRL
On30 Blue Mountain Models 28 Ft Flat Car Kit SRRL
$25.00
Time Remaining: 6d 9h 58m
Dundas Models DM56 Festiniog Railway Granite End Door Wagon Pack of 5 T48
Dundas Models DM56 Festiniog Railway Granite End Door Wagon Pack of 5 T48
$37.95
Time Remaining: 6d 20h 36m
Buy It Now for only: $37.95
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
$35.84
Time Remaining: 6d 20h 36m
Buy It Now for only: $35.84
ON3 ON30 SILVER CITY MODELS DRGW 1872 14 4 WHEEL GONDOLA CAR KIT
ON3 ON30 SILVER CITY MODELS DRGW 1872 14 4 WHEEL GONDOLA CAR KIT
$26.00
Time Remaining: 9d 22h 18m
Buy It Now for only: $26.00
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: 10d 2h 8m
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: 10d 2h 18m
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: 10d 2h 22m
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: 10d 2h 26m
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: 10d 2h 28m
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: 10d 2h 30m
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: 10d 2h 44m
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: 10d 2h 46m
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: 10d 2h 51m
Buy It Now for only: $64.95

Other On30 Scale train items recently purchased through this site:

Berkshire Valley Models O On3 On30 1 48 Grain Company kit 816
Berkshire Valley Models O On3 On30 1 48 1930s Service Station kit 801
On30 Blue Mountain Models 28 Ft Flat Car Kit SRRL
MILEPOST MODELS ROGERS PLUMBING HEATING SUPPLY 1809 NEW RE ISSUE
Sn3 Hex Roof S 11 RGS DRGW Water Tank VT Shops Railroad Modeling Kit
HON3 6 PACKS OF DRGW DECAL NEW MICOSCALESANJUAN TIMBER CREEK MODELS
O On3 On30 WISEMAN MODELS OKT 01 KLEIBER CLOSED CAB LIGHT DELIVERY TRUCK KIT
O On3 On30 WISEMAN MODELS OKT 17 KLEIBER OPEN CAB LIGHT DELIVERY TRUCK KIT
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 16 KLEIBER LOGGING CAMP SUPPLY TRUCK KIT
ON3 ON30 SILVER CITY MODELS DRGW 1872 12 4 WHEEL BOX CAR KIT
O ON30 SCALE SILVER CITY MODELS RESIN STEAM BOILER LOGGING
ON3 ON30 SILVER CITY MODELS DRGW 1872 14 4 WHEEL GONDOLA CAR KIT
BLACKSTONE MODELS HOn3 B370101 Snowplow Assembly for Blackstone K 27
BLACKSTONE MODELS HOn3 B370111 Road Pilot Assembly for Blackstone K 27
BLACKSTONE MODELS HOn3 B370112 Switcher Pilot Assembly for Blackstone K 27
O On3 On30 1 48 WISEMAN MODELS OKT 07 KLEIBER CLOSED CAB KEROSENE TANK TRUCK KIT
O On3 On30 1 48 WISEMAN MODELS OKT 13 KLEIBER CLOSED CAB STAKE BED TRUCK KIT
O On3 On30 1 48 WISEMAN MODELS OKT 28 KLEIBER OPEN CAB STAKE BED TRUCK KIT
O On3 On30 1 48 WISEMAN MODELS OKT 06 KLEIBER CLOSED CAB FLAT BED TRUCK KIT
ON3 ON30 SILVER CITY MODELS DRGW 1872 17 4 WHEEL GONDOLA CAR KIT
O On3 On30 1 48 WISEMAN MODELS OKT 23 KLEIBER OPEN CAB KEROSENE TANK TRUCK KIT
O On3 On30 1 48 WISEMAN MODELS OKT 14 KLEIBER CLOSED CAB WRECKER TRUCK KIT
O SCALE On3 On30 1 48 WISEMAN MODELS OKT 22 KLEIBER OPEN CAB FLAT BED TRUCK KIT
O On3 On30 1 48 WISEMAN MODELS OKT 20 KLEIBER OPEN CAB CEMENT MIXER TRUCK KIT