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98 K3500 454 gooseneck capacity

All the info I've been able to find is the truck can pull 10,000 pounds max conventionally. I haven't been able to get any information on the 5th wheel/gooseneck tow rating. It's a 98 K3500 extended cab dually with the 454 & 4L80E. Does anyone have this info or know where I can find it? Thanks
- CR506
- Thread
- Feb 7, 2017
- Replies: 32
- Forum: Towing
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4L80E problem, can't find answer

I've got a 98 K3500 that had no reverse. I rebuilt the trans and then when starting accelerating from a stop the truck felt like it was bogging down & had no power. It had the feeling like a parking brake being set, but it's something in the trans. I pulled the trans out and had it rebuilt again...
- CR506
- Thread
- Feb 7, 2017
- Replies: 0
- Forum: Transmissions
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4l80e bogs in forward, fine in reverse after rebuild

I have a 98 K3500 that lost the snap ring & tore up the transmission lugs which resulted in no reverse. I replaced it with a 2000 model 4l80e only changing the frictions, a few bushings and rear shaft since the 2000 came out of a 2wd. Now that I put it back in the truck reverse works...
- CR506
- Thread
- Aug 17, 2015
- Replies: 5
- Forum: Transmissions