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

BINKLEY KIT BUILT HOn3 NARROW GAUGE DSPPRR DENVER SOUTH PARK REEFER BOX CAR 605
BINKLEY KIT BUILT HOn3 NARROW GAUGE DSPPRR DENVER SOUTH PARK REEFER BOX CAR 605
$71.66
Time Remaining: 16d 17h 41m
Buy It Now for only: $71.66
On3 On30 WISEMAN CS RGS STEEL UNDERFRAME REEFER LASER CUT KIT CSREEFER
On3 On30 WISEMAN CS RGS STEEL UNDERFRAME REEFER LASER CUT KIT CSREEFER
$59.95
Time Remaining: 17d 22h 20m
Buy It Now for only: $59.95
BINKLEY KIT BUILT HOn3 NARROW GAUGE DSPPRR DENVER SOUTH PARK REEFER BOX CAR 606
BINKLEY KIT BUILT HOn3 NARROW GAUGE DSPPRR DENVER SOUTH PARK REEFER BOX CAR 606
$71.66
Time Remaining: 20d 18h 45m
Buy It Now for only: $71.66
BINKLEY KIT BUILT HOn3 NARROW GAUGE DSPPRR DENVER SOUTH PARK REEFER BOX CAR 603
BINKLEY KIT BUILT HOn3 NARROW GAUGE DSPPRR DENVER SOUTH PARK REEFER BOX CAR 603
$71.66
Time Remaining: 22d 22h 46m
Buy It Now for only: $71.66
on30 spectrum billboard reeferac dole  son dairy
on30 spectrum billboard reeferac dole son dairy
$62.48
Time Remaining: 29d 11h 57m
Buy It Now for only: $62.48
ON30 Spectrum Billboard Reefer John Harvards 27467 Freight Car
ON30 Spectrum Billboard Reefer John Harvards 27467 Freight Car
$89.99
Time Remaining: 29d 21h 5m
Buy It Now for only: $89.99

Other On30 Scale train items recently purchased through this site:

On3 On30 WISEMAN CS RGS STEEL UNDERFRAME REEFER LASER CUT KIT CSREEFER
ON30 Spectrum Billboard Reefer John Harvards 27467 Freight Car
on30 spectrum billboard reeferac dole son dairy
BINKLEY KIT BUILT HOn3 NARROW GAUGE DSPPRR DENVER SOUTH PARK REEFER BOX CAR 606
BINKLEY KIT BUILT HOn3 NARROW GAUGE DSPPRR DENVER SOUTH PARK REEFER BOX CAR 605
BINKLEY KIT BUILT HOn3 NARROW GAUGE DSPPRR DENVER SOUTH PARK REEFER BOX CAR 603