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Fan belt size

IH CUB Lo-Boy Series - 154, 184, 185 Forum -- Questions and answers to all of your Lo-Boy related issues.
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Greg Armstrong
5+ Years
5+ Years
Posts: 142
Joined: Tue Mar 29, 2016 2:50 pm
Zip Code: 43074
Tractors Owned: 1980 Cub Lo-Boy 184
Location: Sunbury, OH

Fan belt size

Postby Greg Armstrong » Wed May 18, 2016 5:37 pm

Anyone know the size of the fan belt for a 184? I bought a 3v475 (3/8" x 47.5") but it seems really tight trying to put it on. I can't see it needing to be much bigger though. Maybe it will stretch?

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User avatar
Greg Armstrong
5+ Years
5+ Years
Posts: 142
Joined: Tue Mar 29, 2016 2:50 pm
Zip Code: 43074
Tractors Owned: 1980 Cub Lo-Boy 184
Location: Sunbury, OH

Re: Fan belt size

Postby Greg Armstrong » Wed May 18, 2016 7:28 pm

Maybe false alarm... got the belt on and it seems to be OK. Alternator is a little closer to the fan pulley than I would have expected, but it works.

staninlowerAL
10+ Years
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Zip Code: 36558
Tractors Owned: Cubs: (3)'49's, (1 is for parts), (1)'57 IH Cub LoBoy w/FH, (2)154 Number Series Loboys, (1 is for parts), '76 Longstripe w/FH, Mowers: C-22, Bush Hog 412, Pennington 59, Woods RM42CF, Woods 42, assorted FCub plows, planters, discs, etc. OTHERS: '49 AC B & Ind. Sickle mower, '61 AC D12 Ser 2, '52 8N, '56 Ferguson 35 Deluxe, '47 & '49 Avery V, '53 MM BG (offset), '51 JD M (regular), '56 JD 420C, with Blade and fire plow, '85 JD 850 (Yanmar) w/72" belly mower, '76? Yanmar 2TR15 1500 & Bush Hog SQ42S-2 mower, '78? FORD Dexta, '86 FORD LGT14D & 48" Mower, (2)Cub Cadets & Mowers (MTD), (4) Sears Surburban's, other MTD mowers, Jeeps & other misc. "treasures"
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Re: Fan belt size

Postby staninlowerAL » Wed May 18, 2016 7:40 pm

Here's the IH OEM part number from Parts Catalogue TC131 for a 154, it might be the same.
belt.JPG
Stan in LA (lower AL)
USAF & Reserves, Reg ARMY, ARMY NG (AL)

User avatar
Greg Armstrong
5+ Years
5+ Years
Posts: 142
Joined: Tue Mar 29, 2016 2:50 pm
Zip Code: 43074
Tractors Owned: 1980 Cub Lo-Boy 184
Location: Sunbury, OH

Re: Fan belt size

Postby Greg Armstrong » Wed May 18, 2016 9:02 pm

It probably is the same, that's the part# I used to get the belt size, but further searching has different sizes associated with it.

Shows 3v475
http://www.vbeltsupply.com/v-527621r1-r ... se-ih.html

Shows .44 x 48.57 https://www.vbeltguys.com/products/5276 ... ive-v-belt

Regardless, both of these are less than I paid at NAPA. I could see the extra inch being helpful and 3/8" did seem a bit narrow.

The old one was stretched so bad it was barely turning the alternator and the battery was getting low, started dying at idle... and now I'm going to need a lower radiator hose thanks the belt rubbing on it.


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