I'd run it. Parked next to an older cummins / dodge once, and it was louder than our generator. A refer truck is crazy loud compared to a typical generator. Don't think anybody would notice. I'd just make sure somebody else was louder, first, where I didn't stand out too bad.
John and Rebecca Dickson
Emma-7 / Little John-5 / Iva-1
Full Timing Again, Rev B
2013 Ford F-350 Lariat CC LB PSD
2015 SOB TT - With OC's Awning Poles (#8)
At least in Heaven, RVs will be perfect, and I won't have to keep fixing them.