I'm looking for advice on what would be best for my applicaiton. I have a 5.9l 07 with the 48re auto, I haul 35foot gooseneck all the time gvw 15000 lbs. I'am not happy with the auto trans when I'm pulling right now( I think the bands need to be ajusted). Here's what I'm looking at, 07.5 and up 3500 dually just need help with the transmission decision. Any help would be appreciated Thanks.

 

My oppinion

for hauling and towing ya cant beat the 6 speed manual

for boogin areound town ya cant beat an auto

I do think that an auto can tow well and heavy but I would have some tc and vb work

 

I have a friend that tows heavy and has a 6.7 auto. Said it is geared to high with the 3.73 thought 4.10's with the auto would work a lot better. ALso said his next one he was going to go back to a manual.

 

guys i have been a manual guy all my life but this new 68 is tough. i have a smarty in my 08 and tow pretty heavy loads. i have sold clutches for other 08s. smarty is hard on them. so i would have to say auto.

 

Manual is always going to be best for serious towing with a good driver. But by how much? Compared to the 68RFE, probably not that much. If I was getting a 6.7 I'd go with the RFE, no question. I'd give almost anything to have that gearbox on my 5.9 instead of the 48RE. Only reason I went with the 48RE is because it's the wifey's backup vehicle/mall crawler.

 

stick

 

I have an '08 Keystone Energy toyhauler. The tag says it's dry weight (no potable/gray/black water, no fuel in 40 gal tank) is 6700 pounds, and max loaded is 9700.

Towed it dry with my '03 3500 SRW QCSB SO 5.9 auto, and topped out around 52 MPH.

Towed it dry with my '08 3500 SRW QC long bed 6.7 manual, and was still climbing at 75 MPH.

Needless to say, I'm glad I traded in the '03 for the '08. It's like night and day when I'm towing my RV.



Kris

 

Gotta love my standard shift. Of course I have owned 3 sticks and 0 automatics, My oppinion may be biased... I drive autos at work and I dont much care for em however.

 

Losing 40 ft lbs has caught my atention. I wonder if the auto is a better match for the 6.7l ????

 

I love my manual clutches are weak however If I was to do it again Think I'd go manual again