F450 vs Ram 3500 DRW tow vehicle
So the wife and I are moving to the full time RV lifestyle. We just purchased a 42' toy hauler this weekend, with a GVWR of 20K#. Now I'm looking at a tow vehicles. I'm considering either purchasing a...
Forum Discussion
^^^^ Nebraska tractor tests has tested hundreds of turbo charged diesel engines and have reported that all obtain better fuel economy by throttling down and gearing up under light load conditions.
Running the Powerstroke at 2000 rpm would qualify as throttling down but if you notice the article defines a light load as one that requires less than 65% of an engine's peak Hp. So for the 2020 Ford that means a light load would be a load requiring under 308 hp. At a light load such as that, the article says reduce rpm by 20 to 30%. So in other words if the F450 is pulling a light load .... say one that requires under 300 Hp... it would be good to throttle it back to between 1820 and 2080 rpm. If I was towing loads that require 300 hp I'd want the 4.30 gears.
Running the Powerstroke at 2000 rpm would qualify as throttling down but if you notice the article defines a light load as one that requires less than 65% of an engine's peak Hp. So for the 2020 Ford that means a light load would be a load requiring under 308 hp. At a light load such as that, the article says reduce rpm by 20 to 30%. So in other words if the F450 is pulling a light load .... say one that requires under 300 Hp... it would be good to throttle it back to between 1820 and 2080 rpm. If I was towing loads that require 300 hp I'd want the 4.30 gears.
