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King Pin Adjustment

Super_Dave
Explorer
Explorer
In my current configuration, the pin is bolted to the bracket with 5 bolts. It appears that if I were to raise it, I’d lose a bolt and have 4. Anyone using a 4 bolt attachment?
Truck: 2006 Dodge 3500 Dually
Rig: 2018 Big Country 3155 RLK
Boat: 21' North River Seahawk
5 REPLIES 5

john_bet
Explorer
Explorer
I don't understand the odd number of bolts in the first place. Mine had same number on both sides. It had four and still does after I changed it to a Reese Goose Box. Bolts torqued to 210# each. the 5th's gvw is 13,995#.
2018 Ram 3500 SRW CC LB 6.7L Cummins Auto 3.42 gears
2018 Grand Design 337RLS

enblethen
Nomad
Nomad
Try to find the model number. Normally stamped somewhere on box.
You have a prety big rig in profile.
I would be thinking at least five grade 8 bolts at a minimum.
New rig, I would call the factory or if you trust dealer call them.

Bud
USAF Retired
Pace Arrow


2003 Chev Ice Road Tracker

Super_Dave
Explorer
Explorer
enblethen wrote:
Not sure what pin box or rig you are dealing with. Here is drawing of Lippert box bolting layout.
Lippert pin box drawing
Can you identify size and strength of your existing bolts?

Mine is a Lippert but looks slightly different. It looks like image A but only has 6 holes rather than the 8.
Truck: 2006 Dodge 3500 Dually
Rig: 2018 Big Country 3155 RLK
Boat: 21' North River Seahawk

filrupmark
Explorer
Explorer
I thought the same and when I raised it . More holes !!!!!!!!!
2004 Ford F250 Super Duty 6.0 Diesel, Bilstein 4600 Shocks, 16K B&W Patriot, Michelin M&S
2014 Augusta Flex AF34RS Trailair Tri Glide pinbox,
JT Strong Arms , Bridgestone R250'S, KYB Monotube Gas shocks
Finally a smooth ride !!!

enblethen
Nomad
Nomad
Not sure what pin box or rig you are dealing with. Here is drawing of Lippert box bolting layout.
Lippert pin box drawing
Can you identify size and strength of your existing bolts?

Bud
USAF Retired
Pace Arrow


2003 Chev Ice Road Tracker