I want to install a hitch to pull a trailer for hauling biodiesel and fire wood with my w123 wagon.

Here's the one I was thinking of buying:
http://www.jcwhitney.com/autoparts/ItemBrowse/c-10101/s-10101/p-100000366854/mediaCode-ZX/appId-10614520/Pr-p_CATENTRY_ID:10000036685410614520

If there are any better options out there, let me know.

I think the 2,500 lb. limit would be fine. I also have a hitch mount bike rack that would work with the one I linked, although it has an adapter to use it with a 2" hitch too.

Is a 1-1/4" square hitch adequate, or would there be advantages to having a 2" square hitch? I had a 2" square hitch on my Explorer, but I only ever used it for the bike rack.

I know I'll need to add a brake light hookup for the trailer.

I'm also thinking that when I install the hitch, the holes that will be drilled in the frame will be exposed metal. I was thinking of coating them with POR-15 before I attach the hitch.

__________________
Chad
2013 Jeep Unlimited Rubicon
OBK#44
"Pleasure in the job puts perfection in the work." - Aristotle (384-322 B.C.)

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1985 300TD - Red Dragon
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2006 Nissan Pathfinder LE
1998 Acura 3.0 CL