towing capacity
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New User
Joined: Apr 2003
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From: Birmingham/Dora, Alabama
towing capacity
I have looked around but need some more info, I have 99 F350 7.3L auto crew-cab. My question is, I have a goose neck 40ft flatbed, it weighs about 5,800 lbs, what kind of weight can i put on it and not blow the auto trans? Also the person i bought the truck from said it had a 75hp chip but not sure, it also has 115,000 miles on it. Thanks for any info. Oh I'm the new guy here 
hello
hello
Postmaster
Joined: Nov 2001
Posts: 4,742
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From: OK
towing capacity
Welcome to the site! 
The "official" answer is to have your truck weighed. Knowing the true weight of the truck, you can then determine maximum trailer & hitch weights that will not cause you to exceed either the truck's GVWR or GCWR.
The "official" answer is to have your truck weighed. Knowing the true weight of the truck, you can then determine maximum trailer & hitch weights that will not cause you to exceed either the truck's GVWR or GCWR.
Posting Guru
Joined: Jun 2002
Posts: 1,067
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From: Central Illinois
towing capacity
You should be able to LEGALLY load the trailer till the truck and trailer weigh the GCWR of 20,000 lbs. You also have to be carefull that the weight of the truck (with the loaded gooseneck sitting in the bed) does not exceed the GVWR of 9900 lbs (11,500 if DRW).
That being said, most of the auto tranny problems in these trucks occur in chipped diesels.
Matt
That being said, most of the auto tranny problems in these trucks occur in chipped diesels.
Matt
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New User
Joined: Apr 2003
Posts: 24
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From: Birmingham/Dora, Alabama
towing capacity
thanks for the replys, i guess i will need to weigh the truck 1st and go from there, I have a freight truck but it is a little overkill for what i am wanting to use the truck for, I will be useing it for mission work out of my church, the pastor has a Dodge with an auto but the auto trany cant handle much weight at all.
So far the Ford has been a grat truck,no problem so far, as far as the auto trans, is there anything i can do to prevent blowing it up while pulling a heavy load, this is my 1st auto tranny HD truck, I'v had 6-speeds in both a dodge with the cummings and a chevy 3500hd with a duramax. also some one said that a chip may harm the auto tranny? In what way and what should I do to prevent any problems? Thanks again for the info. I have been a member for a week and took a week to look aroung the site and found a lot of usefull info.
So far the Ford has been a grat truck,no problem so far, as far as the auto trans, is there anything i can do to prevent blowing it up while pulling a heavy load, this is my 1st auto tranny HD truck, I'v had 6-speeds in both a dodge with the cummings and a chevy 3500hd with a duramax. also some one said that a chip may harm the auto tranny? In what way and what should I do to prevent any problems? Thanks again for the info. I have been a member for a week and took a week to look aroung the site and found a lot of usefull info.
Postmaster
Joined: Nov 2001
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From: OK
towing capacity
It's not so much the "chip" that harms the tranny, it's the extra power that the chip provides to the engine. The tranny, as designed and built by Ford, is just barely rated/capable of reliably handling the stock HP/torque of the PSD. Add more power and reliabilty goes down.
However, there are some aftermarket places/parts that can "beef up" the auto to a point where it can reliably handle significant engine power increases. The one shop that sticks in my mind is "Brian's" transmission shop in Arkansas. I'm sure a web search would turn up some others too.
However, there are some aftermarket places/parts that can "beef up" the auto to a point where it can reliably handle significant engine power increases. The one shop that sticks in my mind is "Brian's" transmission shop in Arkansas. I'm sure a web search would turn up some others too.
