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Cub Cadet LTX1050VT keeps shredding mower belts #5111507
05/21/19 04:27 PM
05/21/19 04:27 PM
Joined: Dec 2014
Posts: 1,777
NY, USA, etc.
oilpsi2high Offline OP
oilpsi2high  Offline OP

Joined: Dec 2014
Posts: 1,777
NY, USA, etc.
I have an 03 Cub Cadet with the 50" deck an 3 blade setup. This thing destroys mower belts. I go through 2 or 3 OEM belts a season. My lawn is 2-3 acres and kind of bumpy, but it shouldn't be eating belts at this rate. The mower only has 242 hours on it.

I'm going to pull the deck off and replace the belt (again).

Is anyone familiar with these, or know anything I should check or adjust? Each blade spins fine, no binding or anything.


Re: Cub Cadet LTX1050VT keeps shredding mower belts [Re: oilpsi2high] #5111518
05/21/19 04:39 PM
05/21/19 04:39 PM
Joined: Mar 2004
Posts: 22,494
Upstate NY
Donald Offline
Donald  Offline

Joined: Mar 2004
Posts: 22,494
Upstate NY
Any pulleys rusted? Mis-aligned? Are you buying quality belts or EBAY specials?


2015 Subaru Forester 2.5 engine/CVT
2015 Ford F250 w/Powerstroke
2016 Subaru Crosstrek CVT (wife's)
Re: Cub Cadet LTX1050VT keeps shredding mower belts [Re: oilpsi2high] #5111533
05/21/19 04:54 PM
05/21/19 04:54 PM
Joined: Jun 2012
Posts: 2,077
High Tax Illinois
oldhp Offline
oldhp  Offline

Joined: Jun 2012
Posts: 2,077
High Tax Illinois
How is the belt tensioner? Could it be letting the belt slap against a fixed guard or something bracket eating the belt???


2018 RAM 1500 3.6/8 speed.
2019 Dodge Charger SXT 3.6/8 speed.
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Re: Cub Cadet LTX1050VT keeps shredding mower belts [Re: Donald] #5111535
05/21/19 04:55 PM
05/21/19 04:55 PM
Joined: Apr 2018
Posts: 95
Wethersfield Connecticut
Convert Offline
Convert  Offline

Joined: Apr 2018
Posts: 95
Wethersfield Connecticut
Do any of the bearings on the pulleys on the deck need to be replaced?
TOMB


TOMB
Re: Cub Cadet LTX1050VT keeps shredding mower belts [Re: oilpsi2high] #5111592
05/21/19 05:48 PM
05/21/19 05:48 PM
Joined: Dec 2014
Posts: 1,777
NY, USA, etc.
oilpsi2high Offline OP
oilpsi2high  Offline OP

Joined: Dec 2014
Posts: 1,777
NY, USA, etc.
Well, I think I found the problem.

I don't think this deck was ever cleaned. Not once since 2003.

Two of the blades I couldn't even turn by hand due to grass buildup on both the top and bottom of the deck.

I'll post before and after pics shortly.


Re: Cub Cadet LTX1050VT keeps shredding mower belts [Re: oilpsi2high] #5111631
05/21/19 06:37 PM
05/21/19 06:37 PM
Joined: Sep 2016
Posts: 212
MN
Tman220 Offline
Tman220  Offline

Joined: Sep 2016
Posts: 212
MN
Originally Posted by oilpsi2high
Well, I think I found the problem.

I don't think this deck was ever cleaned. Not once since 2003.

Two of the blades I couldn't even turn by hand due to grass buildup on both the top and bottom of the deck.

I'll post before and after pics shortly.

2-3 Belts a season and you have never bothered to clean out the top of the deck? All the grass and leaves insulating the belt and over heating it and causing it to fail? Don't forget to pump some grease into the spindles while you have it all a part


2012 Regal GS Turbo PP 5w30 90k
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Re: Cub Cadet LTX1050VT keeps shredding mower belts [Re: oilpsi2high] #5111754
05/21/19 08:40 PM
05/21/19 08:40 PM
Joined: Feb 2013
Posts: 1,438
Prospect, KY
spk2000 Offline
spk2000  Offline

Joined: Feb 2013
Posts: 1,438
Prospect, KY
I looked at buying this Cub model and saw reviews about the belt issues so I steered clear. Might see if a dealer can get a very strong kevlar belt but it may not matter.


96 Grand Marquis 203,000 mi
01 Sable LS Wagon 163,000 mi
02 Montero 191,000 mi
03 Sable LS Sedan 73,000 mi
Re: Cub Cadet LTX1050VT keeps shredding mower belts [Re: oilpsi2high] #5111760
05/21/19 08:46 PM
05/21/19 08:46 PM
Joined: Dec 2004
Posts: 1,628
Pennsylvania
Slick17601 Offline
Slick17601  Offline

Joined: Dec 2004
Posts: 1,628
Pennsylvania
Originally Posted by oilpsi2high
Well, I think I found the problem.

I don't think this deck was ever cleaned. Not once since 2003.

Two of the blades I couldn't even turn by hand due to grass buildup on both the top and bottom of the deck.

I'll post before and after pics shortly.


Can't blame the machine for a lack of maintenance. If you never clean the deck i can only imagine how bad the blades look.


2018 RAM Bighorn 5.7
2008 Toyota Sienna 3.5
Re: Cub Cadet LTX1050VT keeps shredding mower belts [Re: oilpsi2high] #5113380
05/23/19 11:12 AM
05/23/19 11:12 AM
Joined: Aug 2003
Posts: 11,676
Buffalo, NY
JTK Offline
JTK  Offline

Joined: Aug 2003
Posts: 11,676
Buffalo, NY
I'm still trying to figure out how all those belt replacements got done without noticing this..

I'm assuming we're talking about the belt on the deck itself and not the PTO to the deck belt.


2017 Ram 1500 4x4, 3.6L.
2016 Nissan Quest SV (Babe magnet IV)
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Re: Cub Cadet LTX1050VT keeps shredding mower belts [Re: oilpsi2high] #5113559
05/23/19 02:12 PM
05/23/19 02:12 PM
Joined: Dec 2014
Posts: 1,777
NY, USA, etc.
oilpsi2high Offline OP
oilpsi2high  Offline OP

Joined: Dec 2014
Posts: 1,777
NY, USA, etc.
This is my landlord's mower, not mine.

Anyway, I gave it a full once-over and did the following maintenance for him:

Sharpened and balanced blades
Cleaned and oiled deck
Greased spindles
Replaced drive belt (had to remove deck, hydrostatic clutch, trans fan, pulley, and bend the engine pulley keeper tabs back just to get this belt off.)
Replaced mower belt
Oiled chassis

It's due for new blades, but I think we can get another year or two out of these after sharpening. One of the spindles' hubs are almost rounded off, and the hydrostatic trans is leaking fluid. I checked but didn't see anywhere to add (I guess it's a sealed unit. FAIL.)

This thing runs like a new machine now. The deck vibrations are gone as well.

Hopefully we can at least get through this year without any more repairs.

[Linked Image]

[Linked Image]


Re: Cub Cadet LTX1050VT keeps shredding mower belts [Re: oilpsi2high] #5113649
05/23/19 03:33 PM
05/23/19 03:33 PM
Joined: Feb 2003
Posts: 8,566
Jupiter, Florida
Cujet Offline
Cujet  Offline

Joined: Feb 2003
Posts: 8,566
Jupiter, Florida
Just a note to say that belt slip is tops when it comes to things that kill belts. They can take amazing loads, but are intolerant of heat. Make sure the tension is sufficient.

Also, bad bearings can heat the pulley and kill a belt. .

Last edited by Cujet; 05/23/19 03:34 PM.

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