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

HOn3 BRASS Iron Horse Models Rio Grande DRGW Caboose RGS Painted NICE 7C
HOn3 BRASS Iron Horse Models Rio Grande DRGW Caboose RGS Painted NICE 7C
$59.95 (1 Bid)
Time Remaining: 11h 11m
On3 CRAFTSMAN SSLTD RIO GRANDE SOUTHERN FORD INSPECTION CAR KIT UNSTARTED
On3 CRAFTSMAN SSLTD RIO GRANDE SOUTHERN FORD INSPECTION CAR KIT UNSTARTED
$69.95
Time Remaining: 6d 17h 56m
Buy It Now for only: $69.95
On3 On30 WISEMAN RIO GRANDE SOUTHERN MODEL T FORD INSPECTION CAR 1 KIT SSLTD
On3 On30 WISEMAN RIO GRANDE SOUTHERN MODEL T FORD INSPECTION CAR 1 KIT SSLTD
$49.95
Time Remaining: 8d 10h 7m
Buy It Now for only: $49.95
BINKLEY KIT BUILT HOn3 NARROW GAUGE DENVER RIO GRANDE DRGW BOX CAR WAGON 315 nd
BINKLEY KIT BUILT HOn3 NARROW GAUGE DENVER RIO GRANDE DRGW BOX CAR WAGON 315 nd
$66.91
Time Remaining: 10d 5h 30m
Buy It Now for only: $66.91
On3 CRAFTSMAN DURANGO PRESS RIO GRANDE SOUTHERN DRAG FLANGER 01 KIT
On3 CRAFTSMAN DURANGO PRESS RIO GRANDE SOUTHERN DRAG FLANGER 01 KIT
$59.95
Time Remaining: 11d 16h 56m
Buy It Now for only: $59.95
On3 CRAFTSMAN DURANGO PRESS DENVER  RIO GRANDE WESTERNPILE DRIVER OB KIT
On3 CRAFTSMAN DURANGO PRESS DENVER RIO GRANDE WESTERNPILE DRIVER OB KIT
$189.95
Time Remaining: 11d 16h 57m
Buy It Now for only: $189.95
On3 CRAFTSMAN DURANGO PRESS DENVER  RIO GRANDE WESTERN DERRICK CAR OP KIT
On3 CRAFTSMAN DURANGO PRESS DENVER RIO GRANDE WESTERN DERRICK CAR OP KIT
$189.95
Time Remaining: 11d 16h 57m
Buy It Now for only: $189.95
On3 On30 WISEMAN MODEL SERVICES RGS RIO GRANDE SOUTHERN PLOW FLANGER 02 KIT
On3 On30 WISEMAN MODEL SERVICES RGS RIO GRANDE SOUTHERN PLOW FLANGER 02 KIT
$149.95
Time Remaining: 12d 13h 40m
Buy It Now for only: $149.95
On3 On30 WISEMAN MODEL SERVICES RIO GRANDE SOUTHERN DRAG FLANGER 01 KIT RGS
On3 On30 WISEMAN MODEL SERVICES RIO GRANDE SOUTHERN DRAG FLANGER 01 KIT RGS
$59.95
Time Remaining: 13d 9h 7m
Buy It Now for only: $59.95
On3 On30 O CRAFTSMAN RAGGS RIO GRANDE SOUTHERN PLACERVILLECO DEPOT KIT NEW
On3 On30 O CRAFTSMAN RAGGS RIO GRANDE SOUTHERN PLACERVILLECO DEPOT KIT NEW
$329.95
Time Remaining: 13d 16h 56m
Buy It Now for only: $329.95
On3 On30 O CRAFTSMAN RAGGS RIO GRANDE SOUTHERN PLACERVILLECO DEPOT KIT NEWb
On3 On30 O CRAFTSMAN RAGGS RIO GRANDE SOUTHERN PLACERVILLECO DEPOT KIT NEWb
$329.95
Time Remaining: 14d 16h 57m
Buy It Now for only: $329.95
BINKLEY KIT BUILT HOn3 NARROW GAUGE DENVER RIO GRANDE DRGW BOX CAR WAGON 3145 n
BINKLEY KIT BUILT HOn3 NARROW GAUGE DENVER RIO GRANDE DRGW BOX CAR WAGON 3145 n
$66.91
Time Remaining: 17d 1h 44m
Buy It Now for only: $66.91
On3 On30 WISEMAN MODEL SERVICES RIO GRANDE SOUTHERN OUTFIT CAR 01789
On3 On30 WISEMAN MODEL SERVICES RIO GRANDE SOUTHERN OUTFIT CAR 01789
$69.95
Time Remaining: 17d 19h 1m
Buy It Now for only: $69.95
Sn3 Rio Grande Models LTD Disconnects 3324 Metal Scale Model Kit
Sn3 Rio Grande Models LTD Disconnects 3324 Metal Scale Model Kit
$49.99
Time Remaining: 20d 8h 41m
Buy It Now for only: $49.99
HO SCALE JOE WORKS MINILAND RIO GRANDE DECALS RGM 5G
HO SCALE JOE WORKS MINILAND RIO GRANDE DECALS RGM 5G
$25.00
Time Remaining: 21d 16h 26m
Buy It Now for only: $25.00
Durango Press 59 HO Denver  Rio Grande Western Water Tower HOn3 Kit
Durango Press 59 HO Denver Rio Grande Western Water Tower HOn3 Kit
$51.99
Time Remaining: 25d 4h 29m
Buy It Now for only: $51.99

Other On30 Scale train items recently purchased through this site:

HOn3 BRASS Iron Horse Models Rio Grande DRGW Caboose RGS Painted NICE 7C
On3 On30 WISEMAN RIO GRANDE SOUTHERN MODEL T FORD INSPECTION CAR 1 KIT SSLTD
On3 On30 WISEMAN MODEL SERVICES RIO GRANDE SOUTHERN OUTFIT CAR 01789
On3 On30 WISEMAN MODEL SERVICES RGS RIO GRANDE SOUTHERN PLOW FLANGER 02 KIT
On3 On30 WISEMAN MODEL SERVICES RIO GRANDE SOUTHERN DRAG FLANGER 01 KIT RGS
HO SCALE JOE WORKS MINILAND RIO GRANDE DECALS RGM 5G
On3 CRAFTSMAN SSLTD RIO GRANDE SOUTHERN FORD INSPECTION CAR KIT UNSTARTED
Durango Press 59 HO Denver Rio Grande Western Water Tower HOn3 Kit
On3 CRAFTSMAN DURANGO PRESS RIO GRANDE SOUTHERN DRAG FLANGER 01 KIT
On3 CRAFTSMAN DURANGO PRESS DENVER RIO GRANDE WESTERNPILE DRIVER OB KIT
On3 CRAFTSMAN DURANGO PRESS DENVER RIO GRANDE WESTERN DERRICK CAR OP KIT
On3 On30 O CRAFTSMAN RAGGS RIO GRANDE SOUTHERN PLACERVILLECO DEPOT KIT NEWb
BINKLEY KIT BUILT HOn3 NARROW GAUGE DENVER RIO GRANDE DRGW BOX CAR WAGON 3145 n
BINKLEY KIT BUILT HOn3 NARROW GAUGE DENVER RIO GRANDE DRGW BOX CAR WAGON 315 nd
Sn3 Rio Grande Models LTD Disconnects 3324 Metal Scale Model Kit
On3 On30 O CRAFTSMAN RAGGS RIO GRANDE SOUTHERN PLACERVILLECO DEPOT KIT NEW