I have a travel trailer that is 5500 lbs. In 3rd gear with 3.54 diff I am around 2750 RPM at 60 mph. Does this sound right? Tires = 265/75/16.

What are your experiences?

Yes, My torque converter is locking.

Thank you,

Will

 

Welcome to the forum.

A little more info about your truck, like what year, which trans it has etc might get you some more answers. I have a manual trans and run in 6th gear about 1850 at 60 mph.

 

i dont even have it that high in my v6 gasser. i think cummins towing, (2nd gen dodge at least) is like 1200-2000 rpm

edit* didnt see the 60mph part. that may be right then

 

Sorry about that... 1999 ram 2500 A618/42re transmission dana 70 w/ 3.54's

 

1999 ram 2500 A618-42re with 3.54 dana 70 2x4.. sorry about that.

Will

 

First question-why are you towing in 3rd at 60? You have that 4th gear for a reason...

 

I bet his owners manual says not to tow in overdrive.... Am I right?

 

he's right. an di noticed you changed it to 2700. didnt it say 3700? that sounds more right at 2700

 

Theres nothin wrong with towing in OD. Ive always towed in OD, well Tow/Haul mode, which his truck doesnt have. Tow/Haul doesnt lockout OD, it alters the shift strategy and line pressure. There is an OD lockout on mine, but I never use it. Only place I could see locking out OD is in mountainous terrain, lots of up and down. On the flat, theres no point

 

so shouldnt he have over drive off, untill he reaches cruising speed?