2018 Cummins Engine Brake

Wild Card wrote:

spoon059 wrote:

Rocknita wrote:
OP said his son doesn’t tow or haul and most everyone is giving advice about using TH and full EB.

If you read the manual for the Cummins, it specifically tells you no to operate in a manner that causes the engine to lug. However, the way the transmission shifts in "normal" mode, it will settle into 6th gear at 30 mph if you aren't towing... lugging the engine. If you put your truck into T/H mode, it won't allow the truck to lug the engine.

The "problem" with Ram is that they designed the truck to work all the time. That's why they recommend 60 psi front and 80 psi rear all the time. That's why you cannot change the TPMS settings anymore. They expect people to have this truck under load all the time. When under load, it won't lug. When NOT under load, it will lug if you allow it to do so.

That is why people are recommended T/H, regardless of whether or not you are towing or hauling.

EB is a matter of choice and depends how you drive. In stop and go traffic, I put it on full. Anytime I take my foot off the accelerator it is because I need to slow down. On the highway I put it on auto, because I might just need to coast at times and don't always need to scrub as much speed.

Either way, most Cummins owners use T/H and EB the vast majority of the time, regardless of the weight being moved.

You can not lug this engine in an auto trans truck. 35 in 6th gear is not lugging.