Skip to main content

Topic: Operating Temperatures (Read 219 times) previous topic - next topic

0 Members and 1 Guest are viewing this topic.
  • GleamB
  • [*][*][*][*][*]
Operating Temperatures
I am on the first leg of our trip towards Mexico, and I am a little "rusty" about some things. What is a safe operating temperature for the engine, transmission etc?? You would think I would know the answer.....

Re: Operating Temperatures
Reply #1
For your ISM11, coolant temp should be about 178-180°.  Transmission about the same to +10°.  Retarder temp is about the same as transmission to +10°.  Retarder can spike to 240 - 250° very quickly.  Under loads, big grades, high ambient temps,...

Guests must Login or Register to view full posts.

Re: Operating Temperatures
Reply #2
Those number are pretty darn close to my 400ISL driving outside of Las Vegas in 98* this Summer and pulling a 4500lbs ford Explorer and climbing a grade. 198* on my coolant temp.



  • GleamB
  • [*][*][*][*][*]
Re: Operating Temperatures
Reply #3
Thanks, guys. Looks like I am OK. Nice to know...