<kuid:376853:101296> 40ft Boxcar Fowler Monon
<kuid:376853:101409> 40ft Boxcar B&LE AAR
Both by Jacksonbarno. No indication in the config.txt file of either one where I got them from. Maybe a boxcar pack from JointedRail?
The 40ft boxcars may have come from Trainz Forge. Check the old site first then their new one just in case the content wasn't moved.