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 train gauge'.

O S Wiseman Models Metal Engine Kits Narrow Gauge
O S Wiseman Models Metal Engine Kits Narrow Gauge
$40.00
Time Remaining: 1d 10h 24m
KATO N gauge old form passenger 4 Car Set tea 10 034 model railroad passenger c
KATO N gauge old form passenger 4 Car Set tea 10 034 model railroad passenger c
$103.77
Time Remaining: 5d 6h 19m
Buy It Now for only: $103.77
KATO N gauge 701 based 1000 series Sendai color 4 Car Set 10 1553 model railroa
KATO N gauge 701 based 1000 series Sendai color 4 Car Set 10 1553 model railroa
$181.64
Time Remaining: 5d 19h 21m
Buy It Now for only: $181.64
KATO N Gauge Starter Set 500 Shinkansen Nozomi 10 003 Model Railroad Introducto
KATO N Gauge Starter Set 500 Shinkansen Nozomi 10 003 Model Railroad Introducto
$228.21
Time Remaining: 5d 19h 21m
Buy It Now for only: $228.21
Kato N Gauge EH500 3rd Late Model 3037 2 Japan Import
Kato N Gauge EH500 3rd Late Model 3037 2 Japan Import
$130.18
Time Remaining: 5d 19h 21m
Buy It Now for only: $130.18
KATO N gauge starter set E5 system falcon 10 001 model railroad introductory se
KATO N gauge starter set E5 system falcon 10 001 model railroad introductory se
$221.28
Time Remaining: 5d 19h 21m
Buy It Now for only: $221.28
Kato N Gauge E353 System Azusa Maritime Basic Set Four car 10 1522 Model Railro
Kato N Gauge E353 System Azusa Maritime Basic Set Four car 10 1522 Model Railro
$154.91
Time Remaining: 5d 19h 21m
Buy It Now for only: $154.91
Kato N Gauge UP FEF 3  844 Black 12605 2 Model Railroad steam Locomotive
Kato N Gauge UP FEF 3 844 Black 12605 2 Model Railroad steam Locomotive
$252.63
Time Remaining: 5d 19h 21m
Buy It Now for only: $252.63
Kato N Gauge 313 based 8000 Series Chuo Line 3 Car Set 10 1530 Model Railroad T
Kato N Gauge 313 based 8000 Series Chuo Line 3 Car Set 10 1530 Model Railroad T
$141.95
Time Remaining: 5d 19h 21m
Buy It Now for only: $141.95
KATO N gauge 787 system Around the Kyushu 7 Car Set 10 1540 model railroad trai
KATO N gauge 787 system Around the Kyushu 7 Car Set 10 1540 model railroad trai
$221.38
Time Remaining: 5d 19h 21m
Buy It Now for only: $221.38
Kato HO Gauge HO KIHA 82 900 1 613 Model Railroad Diesel car
Kato HO Gauge HO KIHA 82 900 1 613 Model Railroad Diesel car
$104.15
Time Remaining: 5d 19h 21m
Buy It Now for only: $104.15
KATO N Gauge Starter Set KIHA 58 Based Express Type railcars 10 023 Model Railr
KATO N Gauge Starter Set KIHA 58 Based Express Type railcars 10 023 Model Railr
$227.89
Time Remaining: 5d 19h 21m
Buy It Now for only: $227.89
Kato N Gauge E353 System Azusa Maritime hematopoiesis Set 5 Both 10 1523 Model
Kato N Gauge E353 System Azusa Maritime hematopoiesis Set 5 Both 10 1523 Model
$157.11
Time Remaining: 5d 19h 21m
Buy It Now for only: $157.11
KATO N gauge 701 based 1000 series Sendai color 2 Car Set 10 1554 model railroa
KATO N gauge 701 based 1000 series Sendai color 2 Car Set 10 1554 model railroa
$130.82
Time Remaining: 5d 19h 21m
Buy It Now for only: $130.82
7008 7 DD51 500 medium term low temperature models N gauge by CATO
7008 7 DD51 500 medium term low temperature models N gauge by CATO
$85.79
Time Remaining: 5d 19h 21m
Buy It Now for only: $85.79
Kato N Gauge ICE4 5 Both hematopoiesis Set 10 1513 Model Railroad Train
Kato N Gauge ICE4 5 Both hematopoiesis Set 10 1513 Model Railroad Train
$191.76
Time Remaining: 5d 19h 21m
Buy It Now for only: $191.76
Kato HO Gauge HO AC Adapter for 22 083 Railway Model Supplies
Kato HO Gauge HO AC Adapter for 22 083 Railway Model Supplies
$40.10
Time Remaining: 5d 19h 21m
Buy It Now for only: $40.10
Kato N Gauge Series E259 Narita Express Basic 3 Car Set Kato PlaRail Model
Kato N Gauge Series E259 Narita Express Basic 3 Car Set Kato PlaRail Model
$209.66
Time Remaining: 5d 19h 21m
Buy It Now for only: $209.66
Kato N Gauge ICE4 7 Both Basic Set 10 1512 Model Railroad Train
Kato N Gauge ICE4 7 Both Basic Set 10 1512 Model Railroad Train
$393.46
Time Remaining: 5d 19h 21m
Buy It Now for only: $393.46
KATO N Gauge E6 Shinkansen Komachi 3 Both Basic Set 10 1566 Model Railroad Trai
KATO N Gauge E6 Shinkansen Komachi 3 Both Basic Set 10 1566 Model Railroad Trai
$126.44
Time Remaining: 5d 19h 21m
Buy It Now for only: $126.44
KATO N Gauge D51 Standard Form 2016 9 Model Railroad steam Locomotive
KATO N Gauge D51 Standard Form 2016 9 Model Railroad steam Locomotive
$134.52
Time Remaining: 5d 19h 21m
Buy It Now for only: $134.52

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O S Wiseman Models Metal Engine Kits Narrow Gauge
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KATO N gauge EF200 appeared during coating 3036 2 model railroad electric locomo
Rare railway model HO gauge KATSUMI Moha 484 Kuha 481 form rail F S
KATO N gauge ICE4 7 both basic set 10 1512 model railroad train
KATO N gauge EF200 appeared during coating 3036 2 model railroad electric 3ir
KATO N gauge endless line basic set master 1 20 852 model railroad rail set
KATO N gauge UP FEF 3 844 black 12605 2 model railroad steam locomotive
KATO N gauge old form passenger 4 Car Set tea 10 034 model railroad passenger c
Kato N Gauge Series E259 Narita Express Basic 3 Car Set Kato PlaRail Model
KATO N gauge 701 based 1000 series Sendai color 2 Car Set 10 1554 model railroad
Kato N Gauge ICE4 5 Both hematopoiesis Set 10 1513 Model Railroad Train
KATO N gauge Chibi electrostatic my city tram 14 503 1 model railroad train
KATO N gauge EF200 appeared during coating 3036 2 model railroad electric locomo
KATO N gauge EF200 appeared during coating 3036 2 model railroad electric locomo
KATO N Gauge D51 Standard Form 2016 9 Model Railroad steam Locomotive
KATO N gauge old form passenger 4 Car Set tea 10 034 model railroad passenger ca
KATO N Gauge Starter Set KIHA 58 Based Express Type railcars 10 023 Model Railr
KATO N gauge endless line basic set master 1 20 852 model railroad rail set
Kato N Gauge ICE4 7 Both Basic Set 10 1512 Model Railroad Train
Kato HO Gauge HO KIHA 82 1 607 1 Model Railroad Diesel car
Kato N Gauge EH500 3rd Late Model 3037 2 Japan Import
Kato N Gauge E353 System Azusa Maritime Basic Set Four car 10 1522 Model Railro
KATO N gauge starter set E5 system falcon 10 001 model railroad introductory set