f150 7700 series - F150online Forums



f150 7700 series

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  #1  
Old 08-23-2007, 02:20 AM
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f150 7700 series questions

I am looking into buying a f150 ex cab 4x4 1999 and up and as I was loking around I saw a 2000 F150 7700 series and I was wondering what the difference was between the 7700 and the regular f150.

Last edited by Turnkyle; 08-23-2007 at 12:02 PM. Reason: more descriptive title
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  #2  
Old 08-23-2007, 02:42 AM
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I drive a 03 7700 2wd at work and was told by one of our mechanics that the 7700 was basically the 97-98 f250 light duty rebadged as a F150 7700. I have no idea if he knows what he's talking about. The 7700 comes w/ 7 lug wheels, and I'm assuming heavier springs/torsion bars to get the 7700 GVW. I think they also come with the 4r100 trans, and a larger rear end.
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Old 08-23-2007, 11:57 AM
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That's kinda what I thought, that it was basically a light duty f250 in f150 clothing. I really want to know what gearing the 7700 came with because 3.55's don't cut it for me u need atleast 3.73's to be able to tow decently. How is the 4r100 trans different than the regular f150 trans?
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  #4  
Old 08-23-2007, 02:05 PM
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The 4r100 is basically a stronger transmission than the 4r70w. This is the transmission used behind the desiel and the v10 in the f250s. The 4r100 wil take up to a 1000 ft. lbs of torque versus the 4r70w will only hold 700 ft. lbs. Look in the transmission forum and check out the sticky, it will tell you all about them.
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  #5  
Old 08-23-2007, 03:39 PM
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Heres a Post I made a while back...

I had an F250 LD, same thing as the F150 7700, with the 7 Lugs, It was such a pita to find aftermarket parts for especially Wheels.

Heres a Picture of mine:



and some facts about the 250LD/F150 7700

- 7 Lug Rims -
- They have a larger frame then the F150
- Bigger Brakes
- 3:73 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
- 8,600 lbs towing
- 11,500 lbs GCVWR
- 7,700 lbs payload
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  #6  
Old 08-23-2007, 07:07 PM
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good looking truck. I'm pretty sure you just gave me all the info I needed. Thanks alot!
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  #7  
Old 08-24-2007, 04:34 PM
glc
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Look up the axle and tranny codes on the door jamb sticker.
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  #8  
Old 02-05-2008, 03:43 PM
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I have a 04 F150, 4X4 super cab, long bed ,7700lb truck, with 7 lugs, the only complaint I have is that wheels are expensive. centerline is the only company I have found that even makes wheels, and they are very proud of them.
I have a little over 2000lbs of tools and parts on the truck and it still needs a leveling kit to lift the front. when I replace it I will buy another one just like it.
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  #9  
Old 02-06-2008, 06:30 AM
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The biggest difference is the 7700# trucks have a stronger rear axle, I believe it is either a 9.75" or a 10.25" semi floating axle.
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  #10  
Old 02-09-2008, 03:46 AM
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If you can get your hands on a 7700, jump! By far the best F series I've owned! It should have the Sterling 10.25" rearend, 4R100 tranny mated to the 5.4. All the big auto parts stores DO NOT list a 2000 F150 7700 but everything is the same as a 1999 F250 PICKUP, notice PICKUP not 1999 SUPERDUTY or LIGHTDUTY. Can you tell I've had to buy parts before. Good luck on finding a nice 7 lug rim!
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  #11  
Old 02-11-2009, 08:35 PM
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When it comes to the 7700 you do have a some rims to pick from I found 2 different rims and they were 16” and in a 18” I went with the eagle and the other was American racing both offered the style in a 16”and 18”
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  #12  
Old 03-19-2009, 03:49 AM
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Quote:
Originally Posted by Skrewd View Post
Heres a Post I made a while back...

I had an F250 LD, same thing as the F150 7700, with the 7 Lugs, It was such a pita to find aftermarket parts for especially Wheels.

Heres a Picture of mine:



and some facts about the 250LD/F150 7700

- 7 Lug Rims -
- They have a larger frame then the F150
- Bigger Brakes
- 3:73 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
- 8,600 lbs towing
- 11,500 lbs GCVWR
- 7,700 lbs payload
I've always owned Ford Trucks and I now have a 2003 F-150..7700series and we pull a trailer...Best truck I've ever owned.....!!
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  #13  
Old 03-19-2009, 03:56 AM
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Quote:
Originally Posted by Turnkyle View Post
good looking truck. I'm pretty sure you just gave me all the info I needed. Thanks alot!
My wife and I have a 2003 F-150..7700 series..just turned 40,000.XLT..all leather..still smells new and looks new. All plumbed and wired for trailer and 5th Wheel towing. New large tires (all season) custom wheels. As far as durability and handling....contact us at LAandJudy@hotmail.com
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  #14  
Old 03-19-2009, 07:11 PM
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i dont think all 7700's have a 4r100 tranny, I have a 2000 7700 and it has a 4R70W tranny in it. and thats what came with the truck factory and even the dealer told me thats what it has.
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  #15  
Old 03-26-2009, 05:32 PM
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Location: burlington, Ont Canada
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hey hows it goin just wondering if anyone knows where i can get a lift kit for my 1997 f250 light duty truck or if a lift kit for a 1997 f150 will work?
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