Table of Contents
What is the normal operating temperature for a Cummins diesel?
Registered. You have a 200f stat in your Cummins from factory and your cooling fan is enabled at 217f. Your temps are perfectly normal.
What is normal operating temperature for a 6.7 Cummins?
The thermostat starts to open at around 190° and is fully opened at around 200°F. Per Cummins Quickserve Service Manual 6.7L Specs, standard coolant temps should be between 186-207°F, and maximum is 225°F.
What is the optimal temperature for a diesel engine?
The optimum running temperature for water cooled internal combustion engines is 95-100C. This is where the best fuel efficiency is noted. As the running temperature drops, fuel consumption rises. A 5C difference will have a discernable effect given a reasonable running period.
How hot does a Cummins block get?
Registered. mine shows between 130 to 150 degrees every morning according to the gauge.
What temp should my 5.9 Cummins run?
Registered. If it is around 195+ you are OK a diesel needs to run around 200 to get the most from your fuel.
How hot should a diesel transmission run?
Normal operating temps will range from 180-200 aprox 100 degrees above ambient air temps. These transmissions will run from 200-230 in the summer months when towing in hilly areas.
What temperature should my transmission be?
175 to 220 degrees
The optimal temperature range for transmission fluid is 175 to 220 degrees. Above that, for every 20 degrees bad things happen, starting with formation of varnish at 240 degrees, followed by seals hardening, plates slipping, seals and clutches burn out, carbon is formed, and, ultimately, failure.
Is 230 too hot for a diesel engine?
How hot is too hot for diesel? You can run up to 220°F all day long without any problems. Above 250°F you should find a safe place to stop and idle or fast idle in park or neutral to cool the trans.
Is 210 degrees too hot for a diesel engine?
Is 200 degrees hot for a diesel engine?
https://www.youtube.com/watch?v=OAYvEmEXA-A