Cold temp. before start-up was 85-degrees. After 30 minutes temp. was
155-degrees. Then after another 30 minutes with the cooler fan on the temp. dropped to 120 degrees. {BTW, the temp. dropped and stabilized in 5-minutes}

I was unable to drive my rig to perform a high load lest do it's location on a friends ranch ...too many horse trailers in the way, Oh Well.