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
$73.03
Time Remaining: 12d 2h 13m
Buy It Now for only: $73.03
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: 13d 6h 53m
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
$73.03
Time Remaining: 17d 4h 37m
Buy It Now for only: $73.03
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
$73.03
Time Remaining: 18d 7h 19m
Buy It Now for only: $73.03
Bachmann Spectrum On30 27466 Freight Car Billboard Reefer Bricktown Brewery NEW
Bachmann Spectrum On30 27466 Freight Car Billboard Reefer Bricktown Brewery NEW
$55.00
Time Remaining: 24d 11h 16m
Buy It Now for only: $55.00
ON30 Spectrum Billboard Reefer Rohrbachs Brewing 27482 Freight Car
ON30 Spectrum Billboard Reefer Rohrbachs Brewing 27482 Freight Car
$89.00
Time Remaining: 27d 5h 24m
Buy It Now for only: $89.00

Other On30 Scale train items recently purchased through this site:

ON30 Spectrum Billboard Reefer Rohrbachs Brewing 27482 Freight Car
On3 On30 WISEMAN CS RGS STEEL UNDERFRAME REEFER LASER CUT KIT CSREEFER
Bachmann Spectrum On30 27466 Freight Car Billboard Reefer Bricktown Brewery NEW
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 603
BINKLEY KIT BUILT HOn3 NARROW GAUGE DSPPRR DENVER SOUTH PARK REEFER BOX CAR 605