7700 questions
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Senior User
Joined: Jul 2006
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7700 questions
ok this may seem stupid but hear me out.
I am trying to figure out other than the frame and the transmission what is different on these trucks from a regular f-150 (the one im looking at has a 4r100)
I am trying to figure out other than the frame and the transmission what is different on these trucks from a regular f-150 (the one im looking at has a 4r100)
Elder User
Joined: Jan 2005
Posts: 921
Likes: 0
From: Regina, Sask, Canada
its been posted lots..
- 7 Lug Rims -
- They have a larger frame then the F150
- Bigger Brakes
- 3:73 10.25 sterling rear end from factory
- 4R100 Tranny
- Extra leaf in back
- Larger Torsion bars -
- Heavier towing capacity
- Weigh more -
- Larger rotors, I believe 13.5"
- HD shocks
- power steering cooler
- 4700 lbs rear axle
- HD rad, thicker
- HD alternator
- HD battery
- LT tires standard, load range D
- the tranny is the same as a F250 SD and the F350 SD which was behind the v10 and deisel 1000 lb torque capability
- 8,600 lbs towing
- 11,500 lbs GCVWR
- 7,700 lbs payload
also, read the door jamb sticker. If the axle code begins with a letter, it's LSD. Example - B6 is a 3.73 LSD, 26 is an open 3.73. If the last number is other than 6, then you have something other than 3.73's. The tranny code is E for a 4R100, U for a 4R70W.
- 7 Lug Rims -
- They have a larger frame then the F150
- Bigger Brakes
- 3:73 10.25 sterling rear end from factory
- 4R100 Tranny
- Extra leaf in back
- Larger Torsion bars -
- Heavier towing capacity
- Weigh more -
- Larger rotors, I believe 13.5"
- HD shocks
- power steering cooler
- 4700 lbs rear axle
- HD rad, thicker
- HD alternator
- HD battery
- LT tires standard, load range D
- the tranny is the same as a F250 SD and the F350 SD which was behind the v10 and deisel 1000 lb torque capability
- 8,600 lbs towing
- 11,500 lbs GCVWR
- 7,700 lbs payload
also, read the door jamb sticker. If the axle code begins with a letter, it's LSD. Example - B6 is a 3.73 LSD, 26 is an open 3.73. If the last number is other than 6, then you have something other than 3.73's. The tranny code is E for a 4R100, U for a 4R70W.
Senior User
Joined: Sep 2002
Posts: 462
Likes: 0
From: Barrington USA
its been posted lots..
- 7 Lug Rims -
- They have a larger frame then the F150
- Bigger Brakes
- 3:73 10.25 sterling rear end from factory
- 4R100 Tranny
- Extra leaf in back
- Larger Torsion bars -
- Heavier towing capacity
- Weigh more -
- Larger rotors, I believe 13.5"
- HD shocks
- power steering cooler
- 4700 lbs rear axle
- HD rad, thicker
- HD alternator
- HD battery
- LT tires standard, load range D
- the tranny is the same as a F250 SD and the F350 SD which was behind the v10 and deisel 1000 lb torque capability
- 8,600 lbs towing
- 11,500 lbs GCVWR
- 7,700 lbs payload
also, read the door jamb sticker. If the axle code begins with a letter, it's LSD. Example - B6 is a 3.73 LSD, 26 is an open 3.73. If the last number is other than 6, then you have something other than 3.73's. The tranny code is E for a 4R100, U for a 4R70W.
- 7 Lug Rims -
- They have a larger frame then the F150
- Bigger Brakes
- 3:73 10.25 sterling rear end from factory
- 4R100 Tranny
- Extra leaf in back
- Larger Torsion bars -
- Heavier towing capacity
- Weigh more -
- Larger rotors, I believe 13.5"
- HD shocks
- power steering cooler
- 4700 lbs rear axle
- HD rad, thicker
- HD alternator
- HD battery
- LT tires standard, load range D
- the tranny is the same as a F250 SD and the F350 SD which was behind the v10 and deisel 1000 lb torque capability
- 8,600 lbs towing
- 11,500 lbs GCVWR
- 7,700 lbs payload
also, read the door jamb sticker. If the axle code begins with a letter, it's LSD. Example - B6 is a 3.73 LSD, 26 is an open 3.73. If the last number is other than 6, then you have something other than 3.73's. The tranny code is E for a 4R100, U for a 4R70W.
Tuned
Joined: Nov 2009
Posts: 392
Likes: 2
so is the difference in the leaf packs just the extra leaf? will the leaf pack from a 7700 fit a standard f150?
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Senior User
Joined: Nov 2007
Posts: 144
Likes: 1
From: Laramie Wyoming
I'm not completely sure but I think the 7700 leafs are the same length, I do know that they are the same width (2.5 inches).
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Senior User
Joined: Mar 2005
Posts: 100
Likes: 0
From: Minot, ND.
its been posted lots..
- 7 Lug Rims -
- They have a larger frame then the F150
- Bigger Brakes
- 3:73 10.25 sterling rear end from factory
- 4R100 Tranny
- Extra leaf in back
- Larger Torsion bars -
- Heavier towing capacity
- Weigh more -
- Larger rotors, I believe 13.5"
- HD shocks
- power steering cooler
- 4700 lbs rear axle
- HD rad, thicker
- HD alternator
- HD battery
- LT tires standard, load range D
- the tranny is the same as a F250 SD and the F350 SD which was behind the v10 and deisel 1000 lb torque capability
- 8,600 lbs towing
- 11,500 lbs GCVWR
- 7,700 lbs payload
also, read the door jamb sticker. If the axle code begins with a letter, it's LSD. Example - B6 is a 3.73 LSD, 26 is an open 3.73. If the last number is other than 6, then you have something other than 3.73's. The tranny code is E for a 4R100, U for a 4R70W.
- 7 Lug Rims -
- They have a larger frame then the F150
- Bigger Brakes
- 3:73 10.25 sterling rear end from factory
- 4R100 Tranny
- Extra leaf in back
- Larger Torsion bars -
- Heavier towing capacity
- Weigh more -
- Larger rotors, I believe 13.5"
- HD shocks
- power steering cooler
- 4700 lbs rear axle
- HD rad, thicker
- HD alternator
- HD battery
- LT tires standard, load range D
- the tranny is the same as a F250 SD and the F350 SD which was behind the v10 and deisel 1000 lb torque capability
- 8,600 lbs towing
- 11,500 lbs GCVWR
- 7,700 lbs payload
also, read the door jamb sticker. If the axle code begins with a letter, it's LSD. Example - B6 is a 3.73 LSD, 26 is an open 3.73. If the last number is other than 6, then you have something other than 3.73's. The tranny code is E for a 4R100, U for a 4R70W.
Mine also has a tranny cooler on it, not sure if this was standard or aftermarket
Elder User
Joined: Jan 2005
Posts: 921
Likes: 0
From: Regina, Sask, Canada
oh ya, mine has the tranny cooler too, forgot about that... the rear leaf springs are the same length and width 2.5" just with one extra leaf... it took me a while to find rear add a leafs for the truck cause i thought they were different than regular f-150's but they are the same.
ya it is a beefy truck, best truck i have ever owned. i wouldnt be able to replace it, i'd have to go for a superduty with a diesel in it if anything.
ya it is a beefy truck, best truck i have ever owned. i wouldnt be able to replace it, i'd have to go for a superduty with a diesel in it if anything.
Senior User
Joined: Nov 2007
Posts: 144
Likes: 1
From: Laramie Wyoming
I agree completely! Instead of upgrading to a superduty, my truck is getting a V-10 this summer.
Post Fiend
Joined: Feb 2000
Posts: 11,496
Likes: 6
From: Kansas
That should be an interesting marriage. You must be pulling a trailer a lot to do that.
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