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

O On3 On30 1 48 SCALE WISEMAN MODEL SERVICES JI CASE STEAM TRACTION ENGINE KIT
O On3 On30 1 48 SCALE WISEMAN MODEL SERVICES JI CASE STEAM TRACTION ENGINE KIT
$149.95
Time Remaining: 12h 43m
Buy It Now for only: $149.95
ULRICH COLLECTION O SCALE 1 48 On3 MODEL T FORD BUS ALL METAL
ULRICH COLLECTION O SCALE 1 48 On3 MODEL T FORD BUS ALL METAL
$39.99
Time Remaining: 18h 35m
Buy It Now for only: $39.99
O SCALE On3 On30 BANTA MODEL WORKS 6131 BO Hotel
O SCALE On3 On30 BANTA MODEL WORKS 6131 BO Hotel
$94.00
Time Remaining: 1d 14h 36m
Buy It Now for only: $94.00
O SCALE On3 On30 BANTA MODEL WORKS bmw 149 O The Stock Pens
O SCALE On3 On30 BANTA MODEL WORKS bmw 149 O The Stock Pens
$138.00
Time Remaining: 1d 17h 37m
Buy It Now for only: $138.00
O SCALE On3 On30 WISEMAN MODEL SERVICES LOGGING OR MINING CAMP 4 CABIN SET KIT
O SCALE On3 On30 WISEMAN MODEL SERVICES LOGGING OR MINING CAMP 4 CABIN SET KIT
$89.95
Time Remaining: 2d 14h 36m
Buy It Now for only: $89.95
O On3 On30 WISEMAN MODEL SERVICES LOGGING PORTABLE BOILER ON SKIDS KIT
O On3 On30 WISEMAN MODEL SERVICES LOGGING PORTABLE BOILER ON SKIDS KIT
$34.95
Time Remaining: 2d 16h 6m
Buy It Now for only: $34.95
16 LOG BRONC O On30 Model Railroad Waterline Hull Unpainted Cast Resin Kit FR65
16 LOG BRONC O On30 Model Railroad Waterline Hull Unpainted Cast Resin Kit FR65
$29.95
Time Remaining: 2d 19h
Buy It Now for only: $29.95
O SCALE On3 On30 BANTA MODEL WORKS 6000 Joes Machine Shop
O SCALE On3 On30 BANTA MODEL WORKS 6000 Joes Machine Shop
$54.00
Time Remaining: 2d 19h 1m
Buy It Now for only: $54.00
O SCALE On3 On30 BANTA MODEL WORKS 724 Farmers Table Saw
O SCALE On3 On30 BANTA MODEL WORKS 724 Farmers Table Saw
$26.00
Time Remaining: 2d 19h 1m
Buy It Now for only: $26.00
PECO On30 Turnout Left Hand Medium Radius SL E596 Model Trains New
PECO On30 Turnout Left Hand Medium Radius SL E596 Model Trains New
$25.95
Time Remaining: 2d 19h 1m
Buy It Now for only: $25.95
Logging Camp Portable Bunk House Kits Thomas Yorke Scale Model Masterpieces HOn3
Logging Camp Portable Bunk House Kits Thomas Yorke Scale Model Masterpieces HOn3
$42.25
Time Remaining: 2d 19h 23m
Buy It Now for only: $42.25
O On3 On30 1 48 WISEMAN MODEL SERVICES FORDSON MAC SKAGIT TUGGER HOIST KIT
O On3 On30 1 48 WISEMAN MODEL SERVICES FORDSON MAC SKAGIT TUGGER HOIST KIT
$89.95
Time Remaining: 2d 21h 15m
Buy It Now for only: $89.95
O On3 On30 1 48 WISEMAN MODEL SERVICES M 101 McKENZIE FORDSON FARM TRACTOR KIT
O On3 On30 1 48 WISEMAN MODEL SERVICES M 101 McKENZIE FORDSON FARM TRACTOR KIT
$49.95
Time Remaining: 2d 21h 23m
Buy It Now for only: $49.95
O On3 On30 1 48 WISEMAN MODEL SERVICES M 102 FORDSON STATIONARY POWER UNIT KIT
O On3 On30 1 48 WISEMAN MODEL SERVICES M 102 FORDSON STATIONARY POWER UNIT KIT
$34.95
Time Remaining: 2d 21h 39m
Buy It Now for only: $34.95
Morgan Hill Models MHM On30 O Scale Stone Water Tank w Shed Kit
Morgan Hill Models MHM On30 O Scale Stone Water Tank w Shed Kit
$84.95
Time Remaining: 2d 21h 47m
O On3 On30 1 48 WISEMAN MODEL SERVICES T 201 NASH QUAD TRUCK BARE CHASSIS KIT
O On3 On30 1 48 WISEMAN MODEL SERVICES T 201 NASH QUAD TRUCK BARE CHASSIS KIT
$79.95
Time Remaining: 2d 22h 25m
Buy It Now for only: $79.95
O On3 On30 1 48 WISEMAN MODEL SERVICES T 201 202 NASH QUAD STAKE BED TRUCK KIT
O On3 On30 1 48 WISEMAN MODEL SERVICES T 201 202 NASH QUAD STAKE BED TRUCK KIT
$99.95
Time Remaining: 2d 22h 30m
Buy It Now for only: $99.95
KMP Models O On30 Scale Craftsman Logging Kit Spar Tree Model Trains New
KMP Models O On30 Scale Craftsman Logging Kit Spar Tree Model Trains New
$56.95
Time Remaining: 3d 9h 52m
Buy It Now for only: $56.95
KMP Models O On30 Scale Craftsman Logging Kit Steam Sawmill with Planer New
KMP Models O On30 Scale Craftsman Logging Kit Steam Sawmill with Planer New
$179.00
Time Remaining: 3d 9h 52m
Buy It Now for only: $179.00
On3 On30 WISEMAN MODEL SERVICES WEST SIDE LUMBER CO WATER TANK KIT V
On3 On30 WISEMAN MODEL SERVICES WEST SIDE LUMBER CO WATER TANK KIT V
$69.95
Time Remaining: 3d 14h 30m
Buy It Now for only: $69.95
RIO GRANDE MODELS DRGW WATER CAR 0470
RIO GRANDE MODELS DRGW WATER CAR 0470
$25.00
Time Remaining: 3d 15h 44m
Buy It Now for only: $40.00

Other On30 Scale train items recently purchased through this site:

Western Scale Models M16 Blacksmith Shop SEALED Kit O On3 0n30 1 4 Scale
RIO GRANDE MODELS DRGW AIR DUMP GONDOLA
HOn3 EAST BOARD TOP 3 BAY HOPPER CAR KIT BY CBT MODELS
Western Scale Models L 3 Ames Twin Cylinder Steam Engine SEALED Kit O On3 0n30
KMP Models O On30 Scale Craftsman Logging Kit Steam Sawmill with Planer New
Western Scale Models M 51 The Rowe Inclined Shaft Headframe Hoist House Kit
ON3 ON30 SILVER CITY MODELS DRGW 1872 12 4 WHEEL BOX CAR KIT
Blackstone Models HOn3 RGS C 19 40 DCC Sound
Rio Grande Models 3030 DRGW Idler Flat For Derrick OP Kit
Blackstone Models HOn3 DRGW K 27 459 DC no sound
O On3 On30 1 48 SCALE WISEMAN MODEL SERVICES JI CASE STEAM TRACTION ENGINE KIT
ON3 ON30 SILVER CITY MODELS DRGW 1872 17 4 WHEEL GONDOLA CAR KIT
RIO GRANDE MODELS DRGW WATER CAR 0470
Blackstone Models HOn3 East Broad Top 3 Bay Hopper Weathered Rd 951 B340703W
Morgan Hill Models MHM On30 O Scale Stone Water Tank w Shed Kit
ULRICH COLLECTION O SCALE 1 48 On3 MODEL T FORD BUS ALL METAL
On3 On30 WISEMAN MODELS SM 102 DRGW OPEN PLATFORM COMBINE PASSENGER CAR
CHB Models VB 630 148 O Scale Vertical Boiler Kit On3On30 LoggingMachinery
O SCALE On3 On30 BANTA MODEL WORKS 6065 Crossing Shanty
O On30 On3 1915 FORD MODEL T Diecast 1 43 MIB
Hon3 Blackstone Models DRGW High Side Gondola Road Number 9206 Weathered
O SCALE On3 On30 WISEMAN MODEL SERVICES WESTMINSTER KEROSENE LOCOMOTIVE KIT
G scale BANTA MODEL WORKS 8065 Crossing Shanty
ULRICH COLLECTION O SCALE 1 48 On3 MODEL T FORD OPERATING DUMP ALL METAL
F G scale BANTA MODEL WORKS 8111 Roubies Saloon