MaineLines Mech. Reefer

Hello,
I have just downloaded the MaineLines Mech. Reefer Groups 1 and 2. I got these from the Rolling Stock Repaints section of RWA. They worked fine except there are no couplers. Can anyone provide support?
Thanks,
Kevin
I have just downloaded the MaineLines Mech. Reefer Groups 1 and 2. I got these from the Rolling Stock Repaints section of RWA. They worked fine except there are no couplers. Can anyone provide support?
Thanks,
Kevin