Hey all I have the truck in my sig and I was wondering what the opinion on towing in OD is? I have a bigger camper now but in the past I have always just towed in OD and if I came to a big hill I would push the button and turn the OD off. Just wondering what everyone else did? Thanks!!

I don't like using tow/haul for several reasons so yeah, I tow in OD for the most part. If I hit a hill I let the computer downshift unless I want more speed. I use t/h in the mountains to engage the engine braking, but that's about it.

I used overdrive when I towed with my 2007 Cummins powered truck which had the same transmission your truck has. Never had an issue. My 5er weighs about 11,500#.

The 48re really has no over drive. It is a 4 speed auto with 4th gear being 1 to 1. Tow haul basically only alters the shift points to better utilize the motors torque curve.

Just to clarify I do not have a tow/haul button I have a OD on/off button on the end of the gear shifter. Is that one in the same maybe??

Towing in Overdrive?? | Good Sam Community

Turtle_n_Peeps
Explorer
May 11, 2014
Just like at the race track, Cummins12V98 holeshot me by a fraction of a second and took the win!!! :B
Turtle_n_Peeps
Explorer
May 11, 2014
donn0128 wrote:
The 48re really has no over drive. It is a 4 speed auto with 4th gear being 1 to 1. Tow haul basically only alters the shift points to better utilize the motors torque curve.

Hu??? Say what??????
Cummins12V98
Explorer III
May 11, 2014
donn0128 wrote:
The 48re really has no over drive. It is a 4 speed auto with 4th gear being 1 to 1. Tow haul basically only alters the shift points to better utilize the motors torque curve.

4th gear is OD. The transmission has been around since the 60's as the 727 torque flight.

Same with the C-6 Ford and TH-400 GM

Tow in TH and yes use OD just don't let the engine lug. Manually down shift when you know it will need to.
2oldman
Explorer II
May 11, 2014
Lokin4deer wrote:
Thanks oldman I did do a search but didnt find these!
Welcome. They're pretty old, but still relevant.
Lokin4deer
Explorer
May 11, 2014
2oldman wrote:
Towing in od
od 2

Thanks oldman I did do a search but didnt find these!
2oldman
Explorer II
May 11, 2014
Towing in od
od 2
Lokin4deer
Explorer
May 11, 2014
Just to clarify I do not have a tow/haul button I have a OD on/off button on the end of the gear shifter. Is that one in the same maybe??
donn0128
Explorer II
May 11, 2014
The 48re really has no over drive. It is a 4 speed auto with 4th gear being 1 to 1. Tow haul basically only alters the shift points to better utilize the motors torque curve.
ib516
Explorer II
May 11, 2014
I used overdrive when I towed with my 2007 Cummins powered truck which had the same transmission your truck has. Never had an issue. My 5er weighs about 11,500#.
brirene
Explorer
May 11, 2014
I don't like using tow/haul for several reasons so yeah, I tow in OD for the most part. If I hit a hill I let the computer downshift unless I want more speed. I use t/h in the mountains to engage the engine braking, but that's about it.

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Towing in Overdrive??

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