Bigger Brush Hog

When you get the nut off, and the keyed bolt is stuck in the stump jumper, set the mower down on a 8" block, right next to the bolt. This will prevent the stump jumper from absorbing a percentage of the hammer blows, but more importantly, prevent shock loads to the lower bearing cover of the gear box.

Make a point of taking the blades off once a year so the bolts don't get stuck again.

The torque specs the guys are accurate, but no need to kill yourself to get that high. A breaker bar and a pipe is close enough. The rotation of the stump jumper is correct for a right hand thread to prevent loosening.
 
My old 5' Bush Hog Squeeler was fine on the Allis WD but quite a few years ago I got a Series II D-17 Allis which has a LOT more power and I have been wanting to upgrade to a 6 footer.
Never found one at a price I wanted to spend til now.
My wife spotted this on Facebook Marketplace for $600 and I was lucky enough to buy it.
It is a LandPride Model 1872 and is very well constructed. This model is still being sold.
Kubota now owns the company.
Price nowaday
Speeds up the work significant;ly though!
It's in really good shape except the blades have had the he!! beat out of them.
I really have to remove them to be able to sharpen them right.
Haven't been able to break those big ol' nuts loose yet but I'm still trying.
3 Foot cheater pipe on a 3/4" drive socket doesn't seem to be quite enough.

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I had a 72" Land Pride mower for about 20 years. You will need a 6' cheater pipe on a 3/4" socket to get those big nuts loose and tighten them again. As I recall, the specs called for 600 lb ft of torque. You can get the manuals for these mowers online at the Land Pride website. Pics show a Kubota M6800 which handled it nicely (62 PTO HP).
 

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I had a 72" Land Pride mower for about 20 years. You will need a 6' cheater pipe on a 3/4" socket to get those big nuts loose and tighten them again. As I recall, the specs called for 600 lb ft of torque. You can get the manuals for these mowers online at the Land Pride website. Pics show a Kubota M6800 which handled it nicely (62 PTO HP).
Land Pride decks have a cover on top of the deck to expose the blade retention pins for easier removal & installation. P.S. Some of those saplings were over 20 feet tall.
 
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