measure the old broken belt. Belt seems to come off when I shift into gear. Would a 3/8 x 29″ be better? The 1/2″ seems terribly hard to install.
This is a Craftsman ii ride-n-mulch 10hp mower (30 inch mower) model # 95052-033919
20 hp 42 in. Deck Yard Tractor

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Rotary Item 5121, Premium Belt 1/2-in X 88-in, Replacement Belt for 144200 Used on Craftsman, Poulan, Husqvarna, Wizard, 42″ Decks.
Why Does Your Riding Mower Belt Keep Coming Off? Your riding mower belt keeps coming off because of several possible causes such as a damaged, dirty, or incorrectly installed belt. This problem can also be due to an oil leak, damaged mower pulleys, damaged bearings, or a misaligned or stretched out belt.
2x Deck Belt for 42″ Cut John Deere Saber Mowers L100 L102 14.542GS 1642HS LA105.
x 96-5/8 in. for 42 in. Deck Riding Mowers, Fits Cub Cadet, MTD, John Deere and more (R-75-813)
An easy way to determine belt size is to simply “add 2″ to your off-the-rack trouser size. For example, if you wear a 36” waist trouser, then a 38 belt size will be a safe bet. Most will find this simple formula works best for pants worn at a traditional height–close to the natural waistline.
As one of the reasons belts come off, there may be pulley misalignment, belt misalignment on the pulley, defective tensioners, or bearing wear in an tensioner, as well as worn out bearings in drive systems.
Your belt size is two inches larger than your pant waist size.

Discover Relevant Questions and Answers for Your Specific Issue

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Drive belt Have replace drive belt but mower still has no forward movement. Mower is only 2 years old but its already had to have another drive belt installed by the dealer last year. wanted to do it myself but when i install belt theres hardly any tension so mower doesnt move. Checked and rechecked the diagram and is installed correctly. Cant find a tensioner adjustment if it has one.
ANSWER : I don’t have an answer for you, but Do you have a diagram of the Drive Belt?

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Belt for self popelled mower keeps breaking? Cannot keep a new belt on pulley
ANSWER : Check that the pulley isn’t seizing up and causing the belt to snap, also be sure you loosen up the self propelled mechanismn by spraying down with WD 40, too much belt tension can cause this, but it rather seems like the belt pulley seizes and the engines drive pulley keeps turning causing the belt to overheat and break or stretch and come flying off.

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Craftsman riding mower loose belts need tighting
ANSWER : Http://www.disruptit.com/manuals/L0403195.pdf

Here ya go.

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Drive belt keeps coming off. What size belt is correct for this mower? I have been using a 1/2 x 30″ belt. I don’t have a manual so tried to measure the old broken belt. Belt seems to come off when I shift into gear. Would a 3/8 x 29″ be better? The 1/2″ seems terribly hard to install.
This is a Craftsman ii ride-n-mulch 10hp mower (30 inch mower) model # 95052-033919
ANSWER :

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Need to replace drive belt.Never replaced. 42′ Craftsman riding lawn mower. How difficult is this. How do you access rear drive pully
ANSWER : Take a look at how the belt is installed. Then you will have to remove the mower deck and belt from the pulley on the engine. There is probably something by the engine pulley that you will have to remove so the belt will come off. It might be a shoulder bold or a rod with a bolt holding it on. Same with the rear pulley. Then you just have to put the belt on one pulley and watch your fingers so you don’t pinch them and turn the other pulley and the belt should go on. reinstall any bolts you removed and install the deck.

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Need a diagram for craftsman 44″ riding mower drive belt. Mine threw belt and cannot locate original manual.
ANSWER : If you can find the model number of your mower, you should be able to find your manual here. I hope this helps.http://www.searspartsdirect.com/partsdirect/index.action

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Manual How to tighten drive belt
ANSWER : Check hear 877 737 2787#####################

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Model no. 917257660 need belt size for drive and deck
ANSWER : Hello,The part number for the drive belt is: 140294 the size is Length:
82 1/4″, Width:
1/2″, Type:
Covered The part number for the mower deck is: 140067 the size is Length:
82 1/2″, Width:
1/2″, Type:
Covered They are very similar belts so don’t get them mixed up the springs on the clutch pulleys may not be able to compensate for the slight difference.Good luck, if you find this helpful please vote yes. Thank You!!

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