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Boat Trailer Jack

Posted on 5/31/16 at 6:48 am
Posted by kennahbra
Da Bayou
Member since Apr 2016
159 posts
Posted on 5/31/16 at 6:48 am
I have a sea hunt 19 ft bay boat dry weight 2,050 lbs. Put some new rims and tires on it this weekend and was surprised to find out that the jack I carry around for my truck, 4wheeler, lawnmower, and flat boat is not tall enough to jack up this boat trailer...had to put the boat in the water and then get two people to lift up the trailer while I changed them out on each side. Question is, can someone please tell me which jack to buy in case I ever get a flat on the side of the road?
Posted by Ole Geauxt
KnowLa.
Member since Dec 2007
50880 posts
Posted on 5/31/16 at 6:55 am to
Keep a lil piece of RR skid in your truck.
Posted by DownSouthDave
Beau, Bro, Baw
Member since Jan 2013
7377 posts
Posted on 5/31/16 at 6:55 am to
Can you just throw a short pieces of 4x4 in the boat bilge or something? I would rather that than trying to buy a new jack.
Posted by Chris4x4gill2
North Alabama
Member since Nov 2008
3092 posts
Posted on 5/31/16 at 7:20 am to
A bottle jack of the appropriate size wouldn't take up a whole lot of room.

But I would just keep a block of 4x4 in the truck.
Posted by Hammertime
Will trade dowsing rod for titties
Member since Jan 2012
43030 posts
Posted on 5/31/16 at 7:52 am to
I wouldn't be jacking anything up on a 4x4. You're basically jacking up on a tippy 2x4. Try and find something bigger like a 12x12 block from somewhere.
This post was edited on 5/31/16 at 8:28 am
Posted by Barf
EBR
Member since Feb 2015
3727 posts
Posted on 5/31/16 at 8:25 am to
Torsion axle or leafs?

What jack point are you trying to use on the trailer? You can use the axle to life the boat off the ground if you place the jack close enough to the hanger. It's hard to imagine the axle being so high a factory truck jack wouldn't lift it. For sure keep a small jack stand in your truck.
Posted by kennahbra
Da Bayou
Member since Apr 2016
159 posts
Posted on 5/31/16 at 8:47 am to
Torsion axle

I was trying to jack it up near the tire....

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Posted by AlxTgr
Kyre Banorg
Member since Oct 2003
81668 posts
Posted on 5/31/16 at 8:53 am to
I have the same problem. Last weekend I was close to ruining the jack because it took every centimeter to get it high enough. Block of wood is now in my truck.
Posted by Hammertime
Will trade dowsing rod for titties
Member since Jan 2012
43030 posts
Posted on 5/31/16 at 9:00 am to
My factory scissor jack goes up like two feet. That's not high enough?
Posted by AlxTgr
Kyre Banorg
Member since Oct 2003
81668 posts
Posted on 5/31/16 at 9:11 am to
Dunno. Mine is some sort of bottle.
Posted by Hammertime
Will trade dowsing rod for titties
Member since Jan 2012
43030 posts
Posted on 5/31/16 at 9:49 am to
Look for an older (94-99) GM scissor jack. I know for a fact they had them
Posted by cdaniel76
Covington, LA
Member since Feb 2008
19699 posts
Posted on 5/31/16 at 11:25 am to
I've never seen a boat trailer axle too high that a normal scissor or bottle jack couldn't lift the tire off the ground.

Unlike a car or truck that usually has jack points somewhere on the frame, you should place the jack directly under the axle on a trailer so it lifts the wheel directly.
Posted by AlxTgr
Kyre Banorg
Member since Oct 2003
81668 posts
Posted on 5/31/16 at 11:28 am to
On a torsion axle, there is a lot of downward movement of the wheels as the weight is removed. Pretty sure that's why it was such a close call for me.
Posted by Napoleon
Kenna
Member since Dec 2007
69110 posts
Posted on 5/31/16 at 12:26 pm to
An old tractor/4x4 jack works great. Though the secret to making anyjack work is having a wood black handy.

Posted by cdaniel76
Covington, LA
Member since Feb 2008
19699 posts
Posted on 5/31/16 at 12:57 pm to


Ahhhh. I'd never seen a setup like that. But now I see why it'd be difficult to get a jack under what should be the lowest point of the trailer. In a torsion setup the axle is rigid mounted to the frame much higher than a typical spring mounted axle...

I stand corrected on my previous post.

Easiest and cheapest thing I could see doing in the OPs case is just throw a cut section of 4x4 or 6x6 in the truck whenever towing the boat.
This post was edited on 5/31/16 at 12:58 pm
Posted by AlxTgr
Kyre Banorg
Member since Oct 2003
81668 posts
Posted on 5/31/16 at 1:41 pm to
A square of 2x6 did the trick for me.
Posted by kennahbra
Da Bayou
Member since Apr 2016
159 posts
Posted on 5/31/16 at 2:39 pm to
thanks for the responses guys...sounds like a 4x4 will be the easiest and cheapest option!
Posted by Yewkindewit
Near Birmingham, Alabama
Member since Apr 2012
20047 posts
Posted on 5/31/16 at 8:39 pm to
Couple of 2x8 pieces work for me.
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