Question about Mtd 21a 643b066 Bronco Rear Tine Tiller

1 Answer

Tines won't turn

Huskee 8hp starts great runs great, but tines will not engage

Posted by setter4449 on

  • Anonymous Mar 31, 2014

    engine running well but after pressing lock out button & pulling trigger there is no action of tines

  • glassman
    glassman May 24, 2014

    I have the same problem on my front time tiller the belt broke and no answer of how to put new one on

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  • 57 Answers

Possible broken key where crankshaft meets gearbox.

Posted on May 15, 2009

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I have a f22o honda rotor tiller.it runs great but when i put the unit in dirt it won't spin.it will if it's not touching anything.


You probably have a belt drive that has is not tight enough to pull under a load. The belt is pulled by an idler pulley that engages when you start the tines. Check the belts by working you engage lever and look for the belt and idler. More than likely there is an adjustment that will allow you to put more tension on the belt thus making it till. Do not do this when the machine is running! The belt should not have flex in it when engaged. It may a little effort to engage the tines when you get it tight enough to till.
Col. Dana Gillespie

May 04, 2015 | Honda Tiller - F220

1 Answer

I have a 1988 troy bilt horse 8hp the tines rotate when its engaged or in disengaged


check the shift linkage sometimes the pins fall out when you shift it does it move to freely

Apr 19, 2012 | Garden

1 Answer

Own an older (1990's) American Yard Products model WER500 Weedeater rear tine rotortiller. The engine runs great but when I engage to til, the tines won't turn. The belt is fine and pulleys turn...


Yes, there are shear pins on the tines and on the wheels. Can you check to see if the belt actually moves when the pulleys turn?

May 13, 2011 | Garden

2 Answers

Mtd rear tines tiller won't engage tines. F and R


I had similar problem recently with 2007 Huskee MTD series 410. The shift assembly bent and couldn't move the clutch collar all the way over on the drive shaft.

4395dea.jpg

Apr 23, 2010 | Mtd Products Yard Machines 158CC Tiller

1 Answer

1969 sears 319cc 8hp 2 speed stick shift w/power reverse front tine roto tiller.starts ok but does not idle well and starts to backfire as it warms up.


What does the spark plug look like? might be running ritch. too much fuel in the mixture. is the choke open ? How is the air filter?

Mar 06, 2010 | Garden

1 Answer

Grinding when Engaing PTO for the tiller-Troy Built Horse 8hp


It's likely that your clutch needs adjustment. To adjust, you just need to loosen the two screws on the plate and slide it a bit so the clutch better engages the rear dog clutch. Have you ever taken the tiller portion off the transmission to grease the clutch? If not, before adjusting it you might want to do that. It could be that the clutch isn't sliding back far enough to engage the rear end and a little grease is all it needs. This service requirement is explained in the owners manual for the tiller. One last point, the tiller must be in neutral when engaging the pto clutch. From your note, it sounded like you were engaging the clutch with the forward/reverse lever in the forward position. The lever must be in neutral when engaging the pto clutch.

Jun 14, 2009 | Troy Bilt, Tuffy, Rear - Tine Tiller, 4.0...

1 Answer

I have a Troy-Bilt PTO Horse (Horse III) 8HP TINES


The tines are very close to the housing and sometimes you do get rocks hitting,as for the dirt it should have side panels to keep the dirt in place.

May 07, 2009 | Garden

4 Answers

Sears rear tine rototiller 32-29978 manual


If you find one please let me know as I have the same tiller and no manual.

May 02, 2009 | Craftsman Garden

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