Clutch brake

IH CUB Lo-Boy Series - 154, 184, 185 Forum -- Questions and answers to all of your Lo-Boy related issues.

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john2189
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Clutch brake

Postby john2189 » Mon Nov 11, 2019 8:47 pm

Why does the 154 need it? F Cubs doesn’t have them. Anyway the bolt/linkage on mine is missing and I need to replace it. John
'49 Cub (Vince)
'72 cub (Cecilia)
'41 allis B
'42 Allis B
'71 154 Cub Lo-Boy
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BigBill
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Re: Clutch brake

Postby BigBill » Mon Nov 11, 2019 9:10 pm

With no flywheel puck brake the gears stay spinning in the tranny when going from natural to any gear they grind. With no flywheel brake you need to shut off the engine so the tranny doesn’t grind when changing gears.
I'm technically misunderstood at times i guess its been this way my whole life so why should it change now.

john2189
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Re: Clutch brake

Postby john2189 » Mon Nov 11, 2019 11:22 pm

Ok but why doesn’t the f cub need the brake? Isn’t it the same trans?
'49 Cub (Vince)
'72 cub (Cecilia)
'41 allis B
'42 Allis B
'71 154 Cub Lo-Boy
656 Wheel Horse
C-165 Wheel Horse
Simplicity 20 HP Sunstar

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MiCarl
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Re: Clutch brake

Postby MiCarl » Tue Nov 12, 2019 7:19 am

john2189 wrote:Ok but why doesn’t the f cub need the brake? Isn’t it the same trans?


The F cub does tend to grind when going from neutral into gear.

International did tend to make improvements from time to time. I believe the 154 was primarily intended as a mowing tractor. Perhaps IH thought the clutch brake would be desirable in a machine that would be shifted more frequently.
1944 Farmall H
1948 Farmall Cub
1994 Speedex 1631

john2189
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Joined: Thu Oct 26, 2006 7:17 pm
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Re: Clutch brake

Postby john2189 » Tue Nov 12, 2019 8:04 am

MiCarl wrote:
john2189 wrote:Ok but why doesn’t the f cub need the brake? Isn’t it the same trans?


The F cub does tend to grind when going from neutral into gear.

International did tend to make improvements from time to time. I believe the 154 was primarily intended as a mowing tractor. Perhaps IH thought the clutch brake would be desirable in a machine that would be shifted more frequently.



Ok makes sense. My f cub only grinds if Im in neutral and go into gear while the mower/pto is running and I don’t let the mower stop.
'49 Cub (Vince)
'72 cub (Cecilia)
'41 allis B
'42 Allis B
'71 154 Cub Lo-Boy
656 Wheel Horse
C-165 Wheel Horse
Simplicity 20 HP Sunstar

Gary Dotson
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Re: Clutch brake

Postby Gary Dotson » Tue Nov 12, 2019 8:13 am

The F-Cub doesn't have a flywheel spinning on the trans. input shaft, only the input shaft and clutch disc. The clutch brake is needed to slow the flywheel and clutch assy. down so the trans. can be shifted.

john2189
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Re: Clutch brake

Postby john2189 » Tue Nov 12, 2019 8:44 am

Gary Dotson wrote:The F-Cub doesn't have a flywheel spinning on the trans. input shaft, only the input shaft and clutch disc. The clutch brake is needed to slow the flywheel and clutch assy. down so the trans. can be shifted.


Ok so the spinning flywheel on the trans would be the same as the pto on the cub slowing down to get it in get gear
'49 Cub (Vince)
'72 cub (Cecilia)
'41 allis B
'42 Allis B
'71 154 Cub Lo-Boy
656 Wheel Horse
C-165 Wheel Horse
Simplicity 20 HP Sunstar

Gary Dotson
Team Cub Mentor
Team Cub Mentor
Posts: 3777
Joined: Thu Aug 03, 2006 6:20 am
Zip Code: 43358
Tractors Owned: 48 Cub Diesel (Cubota)
53 Cockshutt 20 restored (Shooter)
52 Cockshutt 20 unrestored
47 Leader "B" (Herckie)
49 Leader "D" (Princess)
49 Leader "D" very rough
48 Leader "D" unrestored
Kubota B6200E
Kubota B6200HST
Kubota B8200HST-D
Circle of Safety: Y
Location: OH West Mansfield

Re: Clutch brake

Postby Gary Dotson » Tue Nov 12, 2019 9:12 am

Yes, heavy spinning components carry a lot of momentum.

john2189
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Posts: 1403
Joined: Thu Oct 26, 2006 7:17 pm
Zip Code: 44657
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Re: Clutch brake

Postby john2189 » Tue Nov 12, 2019 11:43 am

Thanks I’ll have to get the bolt Assy. It is missing
'49 Cub (Vince)
'72 cub (Cecilia)
'41 allis B
'42 Allis B
'71 154 Cub Lo-Boy
656 Wheel Horse
C-165 Wheel Horse
Simplicity 20 HP Sunstar


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