Question about Craftsman 21 HP 42 in. Zero Turn Tractor Mower - CA Model

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How do you put the drive belt for the hydrostatic drive on?

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You'll be working underneath the mower, so it is helpful to raise the mower chassis up -- at least in back. Use your automobile jack, then put jackstands underneath the chassis to do this. Take off the deck drive belt first by releasing the idler spring(s). Unbolt and remove the "anchor" that keeps the PTO clutch from rotating. Disconnect the electrical wires leading to the PTO. Release the tension on the idler for the hydrostatic drive belt. Now you can thread the new hydrostatic belt over the engine pulley and around both wheel motor pulleys. The idler pulley presses it inward to provide tension. Refasten the idler spring - a pair of channellock pliers works well to hold and pull the spring. Now reinstall the wires and the PTO anchor, then the mower deck belt. Good luck! Please rate my answer if helpful, thanks!

Posted on Jul 03, 2010

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Posted on Jan 02, 2017

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SOURCE: Put new drive belt on, but it still does not move

I'm having the same problem, except mine is not hydrostatic. A 1996 craftman tractor 15.5 briggs 42 ' deck. About to start pulling out my hair!!! Just put on a new drive belt and still no movement.

Posted on Jun 07, 2009

  • 41 Answers

SOURCE: yard man mtd 20hp 46

go to the online web site for the yardman this will give you the guide on how to replace the belt.

Posted on Jul 12, 2009

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SOURCE: BOUGHT A RIDER WITH HYDROSTAT DRIVE,NO DRIVE

Sometimes there is a diagram under the left foot rest on the under side of the metal showing the motion drive belt placement. you have to lay down and look up to see it

Posted on Apr 27, 2010

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1 Answer

SimplictyYRZ01 hydrostats not engaging


The only thing the two hydrostatic drives have in common is a drive belt that ties them to the crankshaft. If both side quit at the same time that belt is most likely the problem.

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1 Answer

My hydrostatic pedal does not move the tractor in either direction


There is at least one belt that goes from the engine to the hydrostatic drive. It is highly likely that this belt has slipped off a pulley so the unit won't drive. It is also possible that this belt is broken there again causing the unit not to drive.

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Why is my Series 1000 LT1024 Hydrostatic Drive Cub Cadet not pulling?


In most cases the hydrostatic drives are not made by the company tractor or lawnmower.
This is in the owners manual.

Hydrostatic Transmission
The hydrostatic transmission is sealed at the factory
and is maintenance free. The fluid level cannot be
checked nor can the oil be changed. Always keep the
area around the transmission cooling fan free of grass
and debris at all times

Cub Cadet LT1024 Operator Manual


How to Change the Hydrostatic Fluid in Cub Cadet Lawn Mower

https://www.google.com/webhp?sourceid=chrome-instant&rlz=1C1GGGE_enUS385US385&ion=1&espv=2&ie=UTF-8#q=cub%20cadet%20hydrostatic%20fluid%20change

I hope that this can help. Tom

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1 Answer

Mower won't go forward or backward


Is the hydrostatic drive disengaged? On some mowers there is a lever on the hydrostatic drive you can flip to disengage so the mower can be pushed or towed. Other possibility is a broken hydrostatic drive belt.

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1 Answer

Craftsman 917273482 will not shift into gear, and I can't push it because it won't disengage


If there is too much play in the drive belt due to belt stretch or linkage wear, the belt will be too loose to drive the tranny but still cause the tranny input shaft to rotate preventing it from being put into gear.
Do the gears grind when trying to put into gear? With engine off you should still be able to push the machine if you put it in neutral. Unless, of course it is a hydrostatic transmission, in which case there should be a lever to push/pull which will put the hydrostat in neutral. This is all assuming that it is a hydro and while running the machine won't move when putting the drive lever into forward or reverse.

Mar 24, 2014 | Craftsman 20 hp 42 in. Deck Lawn Tractor -...

1 Answer

Hydrostat drive belt installation diagram


alokerdas_0.pngThis is the diagram.
For more information on how to install the hydrostatic drive belt, you can visit" http://outdoorpowerinfo.com/repairs/deere_scotts_1642h_belts.asp".

Hope this will help you. Good Luck.

Jul 29, 2011 | Garden

1 Answer

My 4210 4x4 with hydrostatic drive quit driving runs well but will not travel forward or reverse


Hi, the engine will power the hydrostatic drive via a drive belt. See that this belt is in place or if it is worn out and loose. By replacing this belt you should get your machine running again. Hope this helps

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1 Answer

My MTD 12.5 hp briggs and stratton ride on mower is losing forward speed as though a clutch is slipping especially going up hills or slopes. MIKE


You didn't indicate what model so I don't know if it is hydrostatic drive or not. If it is not hydrostatic drive, it is most likely a worn belt or clutch adjustment. If you don't have your manual you can download one here:http://www.mtdlawnmowerparts.com/manuals.php
If it is hydrostatic drive it stil could be the drive belt or low water in hydrostatic transmission, or even water in the oil in the hydrostatic transmission. Always list model number when asking questions.

Oct 03, 2010 | Mtd Garden

1 Answer

How do you replace drive belt on a hydrostatic transmission craftsman riding lawnmower that has slipped off or my be broken.


Its not a hard job just push in clutch and lock it, remove mower belt then replace drive belt and then put mower belt back on and release clutch.

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1 Answer

FORWARD AND REVERSE GEAR SELECTION BACKWARD


Recheck your belts, does your engine have a pto

Jul 28, 2009 | Garden

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