Update on a suitable 8N Brush Hog

John P.

Member
I started looking around for a new rotary cutter. I wound up at the farm equipment dealer where I had made a lot of purchases in the past and had always been well taken care of. The owner I used to deal with has passed on and the family is trying to make do with the few suppliers they still have left. One of them is Bush Hog and they still have a good supply of older but still new Bush Hog medium duty cutters that the original owner had purchased before his passing. I passed up the 3.5 and 6 foot models for obvious reasons and am looking at the 4 and 5 footers. The 4 footer weighs 455 pounds and requires 15-30 PTO Horsepower. The 5 footer weighs 636 pounds which seems kind of heavy for the 8N without having to add weight to the nose. But it also requires 25-40 Horsepower on the PTO which is just beyond the 8N's reach. So since I want to support the family and buy something from them, I am leaning towards the 4 foot Bush Hog.
 
I'd go with the 5 footer since your rear tires will be set wider then the hog and you pretty much do not want that. Do you have a grill guard in your tractor?? If you do not you will also want one of those which will be close to off setting the extra weight on the back plus is an easy area to put some sort of wights if you find you need them
 
The 636 Lb. 5' Bush Hog is pushing it for an 8N, but a good one (no serious hydraulic issues) will handle it in most conditions.

Bush Hog markets a light duty Squealer line. Might want to consider this.

I would not buy a 4' rotary cutter for an 8N except in very unusual circumstances, e.g., poor, tractor, heavy conditions, steep ground, etc.

Does your 8N have a Sherman combination transmission? If so, you will not have power issues in UD except in extraordinary conditions.

Dean
 
Good point, Old.

A HD generic bumper weighs 50 Lbs.+ and is well in front of the front axle. It makes a difference with heavy loads on the lift.

Dean
 
Plus a good one makes for a good place to hang suit case weights or other such things to help with a light front problem on hills etc.
 
By the way just to help keep you safe you should NEVER dive along a hill but go up and down it and turn around only on flat ground or you can end up like this guy did.
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The norm for the 'N's is the five footers. I don't know what mine weights, but the N handles it well. Fount end is not too light with out weights. What is the brand and model of the one you are looking at?
 
Okay I checked and he has new 5 Foot Bush Hogs in his warehouse, so I told him I would take one of those instead. He will deliver it this week. He said I had a choice between slip clutch and shear pin, so I chose the slip clutch.
 
Ya you pretty much need a brush guard for a tractor when your brush hogging they keep tree limbs etc out of the grill land radiator etc. Plus add some front end weight
 
John.........don't fergitt you need an ORC (over running clutch) on yer PTO output shaft, otherwize yer brushhog will PUSH yer tractor into the fence post, corner of the barn, over the creek bank when you clutch to slow down and turn. Dunno about yer slip clutch but most people use the shear pin style. Slip clutch is NOT an ORC. Don't be surprized iff'n you haffta saw yer brushhog drive shafts (both 'em) about 4-6" .......Dell, yer ORC safety preacher
 
You will need to adjust the slip clutch for a low HP tractor.

It is also very advisable to loosen and slip the slip clutch at least once per year to prevent corrosion freezing.

Dean
 
But eh biggest and most important is the radiator. Funny how a small tree limb tend to be what goes into a radiator and that sure will make for a very bad day
 
John.........yer new ORC should come with a 5/16 sheer pin that holds it to you 6-groove PTO shaft. There are holes in both the PTO and the ORC that match-up........HTH, Dell, yer ORC safety preacher
 
John.........it should be intuitively obvious, you NEED a sheer pin to hold yer ORC on. Go back to TSC and complain. They'll probably throw you one free.........ORC preacher Dell
 
Mine is held on by a roll pin, its the type with 2 grease zerks that you remove to drive pin in/out. If yours is the same type maybe they put it in there for shipping???
 
(quoted from post at 22:02:38 10/03/15) Nope, no shear pin.
b:832748108c][i:832748108c]

John;
Here is a pic., to show how the ORC is put together.
NOTE the roll pin in the pic.!! That pin, holds the ORC to your PTO shaft!!!



One of those pins, should have come with the ORC!!!!!

Gary[/i:832748108c][/b:832748108c]
 
Do so.

Operating a rotary cutter with a slip clutch adjusted for a higher HP tractor or allowing it to freeze defeats the purpose of the clutch, eliminating any/all protection of your tractor.

Dean
 
Hi Gary;
Photo won't come through but I get the idea. None of the ORCs at TSC had pins with them. Any idea on what the specs are so maybe I could find one?
 
Dell;
None of the ORCs at TSC had the pins, but when I look online, the kits all come with them.
 
Okay, ordered a new ORC with a pin from Dennis Carpenter.
Will return the TSC one tomorrow.
 
Checked my Front bumper/grille. Does not fit, so ordered a new one from Dennis Carpenter.
 
Okay, got ORC with pin and new front bumper from Dennis Carpenter. This one fits like a glove!
 
"Okay I bought an ORC at Tractor Supply, but what holds it on to my PTO shaft?"

It should have came with a roll pin and two grease zerks.
The roll pin goes through the grease zerk holes and the hole
in the PTO shaft on the tractor. Then you put the zerks in.
Grease it afterwards obviously.
Comes off the same way once you get them all lined up.
 
John........this may be a little late ...but... yer ORC is held onto yer PTO shaft with a "roll pin". This is a hollow pin that you hammer into yer ORC thru yer PTO shaft. Its 5/16x2". Yer ORC is 6-spline and yer PTO is 6-spline, it should be intuitively obvious, that you want yer roll-pin holes to align up together before installing the roll-pin. .......HTH, Dell, yer ORC safety preacher
 

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