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'.

Rio Grande Narrow Gauge In Color Vol1 1947 1959
Rio Grande Narrow Gauge In Color Vol1 1947 1959
$40.00
Time Remaining: 1d 12h 19m
Durango Press 59 HO Denver  Rio Grande Western Water Tower HOn3 Kit
Durango Press 59 HO Denver Rio Grande Western Water Tower HOn3 Kit
$52.99
Time Remaining: 1d 17h 39m
Buy It Now for only: $52.99
ON30 Spectrum Roaring Ridge Train Set 25014 Denver  Rio Grande western
ON30 Spectrum Roaring Ridge Train Set 25014 Denver Rio Grande western
$299.99
Time Remaining: 1d 17h 58m
Buy It Now for only: $299.99
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
$68.98
Time Remaining: 2d 8h 44m
Buy It Now for only: $68.98
Rio Grande Models SN3 DRGW Dump Car Kit
Rio Grande Models SN3 DRGW Dump Car Kit
$32.00
Time Remaining: 3d 11h 32m
Buy It Now for only: $32.00
HOn3 Narrow Gauge Durango Press Rio Grande Southern Plow Flanger 02 kit
HOn3 Narrow Gauge Durango Press Rio Grande Southern Plow Flanger 02 kit
$37.99
Time Remaining: 5d 16h 17m
Buy It Now for only: $49.99
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: 7d 22m
Buy It Now for only: $69.95
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
$69.95
Time Remaining: 8d 15h 43m
Buy It Now for only: $69.95
Rio Grande Models 3030 DRGW Idler Flat For Derrick OP Kit
Rio Grande Models 3030 DRGW Idler Flat For Derrick OP Kit
$29.95
Time Remaining: 10d 12h 3m
Buy It Now for only: $29.95
Bachmann On30 Denver  Rio Grande Western 136 Black  Green 2 6 0 25242
Bachmann On30 Denver Rio Grande Western 136 Black Green 2 6 0 25242
$129.99
Time Remaining: 12d 13h 37m
Buy It Now for only: $129.99
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
$68.98
Time Remaining: 14d 5h 2m
Buy It Now for only: $68.98
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: 19d 11h 51m
Buy It Now for only: $49.95
Sn3 MMR BUILT DENVER  RIO GRANDE WESTERN DURANGOCO LOCO COALING TOWER PAINTED
Sn3 MMR BUILT DENVER RIO GRANDE WESTERN DURANGOCO LOCO COALING TOWER PAINTED
$489.95
Time Remaining: 19d 22h 18m
Buy It Now for only: $489.95
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: 22d 13h 22m
Buy It Now for only: $149.95
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: 23d 22h 18m
Buy It Now for only: $69.95
BINKLEY KIT BUILT HOn3 NARROW GAUGE DENVER RIO GRANDE DRGW BOX CAR WAGON 15 nd
BINKLEY KIT BUILT HOn3 NARROW GAUGE DENVER RIO GRANDE DRGW BOX CAR WAGON 15 nd
$68.98
Time Remaining: 27d 6h 46m
Buy It Now for only: $68.98

Other On30 Scale train items recently purchased through this site:

Bachmann On30 Denver Rio Grande Western 136 Black Green 2 6 0 25242
ON30 Spectrum Roaring Ridge Train Set 25014 Denver Rio Grande western
On3 CRAFTSMAN SSLTD RIO GRANDE SOUTHERN FORD INSPECTION CAR KIT UNSTARTED
Rio Grande Models 3030 DRGW Idler Flat For Derrick OP Kit
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
Sn3 MMR BUILT DENVER RIO GRANDE WESTERN DURANGOCO LOCO COALING TOWER PAINTED
Rio Grande Models SN3 DRGW Dump Car Kit
Durango Press 59 HO Denver Rio Grande Western Water Tower HOn3 Kit
On3 On30 WISEMAN MODEL SERVICES RIO GRANDE SOUTHERN DRAG FLANGER 01 KIT RGS
Rio Grande Narrow Gauge In Color Vol1 1947 1959
HOn3 Narrow Gauge Durango Press Rio Grande Southern Plow Flanger 02 kit