NAA versus 641

JDEM

Well-known Member
I have a small backhoe I want to mount permanently on a tractor. Hoe is a new 8.5 foot Chinese model made for a three-point hitch and has
its own PTO pump. It weighs 1200 lbs.

I have two larger hoe-loaders but they are too heavy for me to truck myself. I want a small hoe I can tow with my pickup truck and 12K lb.
rated trailer.

I have a Ford 641 with a loader that I kind of hate, although it is in like new condition. I find it miserable to use with a rear brush
cutter due to the lack of a live PTO and high ground speed. Plus it lacks a low range is moves way too fast in 1st gear for many jobs. So I
figured it would be perfect to stick this new hoe on and leave it.

Issue is - that 641 is at a remote camp I have in the Michigan UP. If I go up and get it, I have to replace it with something else that
will run the 5 foot brush cutter.

Yesterday - here in the northern lower peninsula - I came across a 1953 Ford NAA Jubilee sitting in a auto junkyard. Rear tires are like
new. Has not run in 8 years but owner says it was fine - until it failed to start one Spring. I can buy it for $800. I am going to try to
get it running today. I checked compression on it yesterday and got 80 lbs. on all four cylinders and plugs looked clean (no sign of oil
burning).

To my surprise - I was just looking up specs and comparing the NAA Jubilee to the 641. They pretty much look the same to me and both have
the 134 overhead-valve engine. But - the NAA only is rated for 800 lbs on the three-point hitch and the 641 is rated 1200 lbs. Plus the
NAA only weighs 2550 lbs. whereas the 641 weighs 3300 lbs. I am surprised at the differences.

I am still tempted to mount the 1200 lb. hoe on the Jubilee even though it is only rated for 800 lbs. and just mount it on solid. I have no
need to lift it once mounted. Or? I could swap tractors and user the 641 instead.

I am no Ford expert. Anyone aware of the changes between these two tractors that makes the 641 heavier and with more lift power?
 
The weight figures that yo have are suspect and/or not apples to apples.

Weight difference between the NAA and 641 is much less than 750 Lbs.

Dean
 
performance wise.. the naa and 6xx are virtually identical.

I think the hoe on the loader machine would be your ticket. the loader will ballance the hoe. i would try to make up some sort of subframe however.

Leave the loaderless naa for running the mower.

Besides.. the 6xx will have better rear hubs..

I have an 850 with ford 1-arm loader on it, and a woods 6500 hoe. not a fantastic TLB.. but it works.

they are heavy mind you.

Soundguy
 

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