Simplicity Conquest 4X4 lawn tractor

Markob

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This tractor has full time 4 wheel drive, recently I found that it is only driving one rear wheel and the remaining three are not powered? any ideas?
 

mechanic mark

Lawn Pro
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Jul 15, 2013
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https://www.simplicitymfg.com/eu/en...s.productmanuals.html?searchrequested=2690638

change filters in transaxle with TUFF TORQUE parts & oil. one filter is at 6'clock position facing forward second filter is inside right rear fender & is a spin on filter. use TUFF TORQUE 5w-50 full synthetic gear oil. purchase 2 containers of 5w-50 TUFF TORQUE gear oil. there are 2 drain bolts on rear transaxle & one left & right front drain & fill bolts. the system holds 5.4 quarts.

https://www.tufftorq.com/product/k664/

https://www.google.com/search?q=tuf....69i57j0l4.25753j1j4&sourceid=chrome&ie=UTF-8
 
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Markob

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Is there anything to confirm that theory? I can't find anything that explains how that hydraulic system operates?
 

bertsmobile1

Lawn Royalty
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Nov 29, 2014
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A diff only ever drives one wheel at a time.
They are designed to work that way
So only one driving at the rear is normal.
If you hold that wheel the other should rotate.
If not then check the drive keys in the axel or for a broken / stripped axel.

Not sure how the front works on that model but again a diff will only actively drive one wheel although both should turn.
It all depends upon how the front is powered.
Simplicity service manuals are a free download from the Simplicity web page
From memory it is "simplicitymanufacturing" but others in particularly Mark should be able to steer you much better.
His web browsing skill are much better than mine.
 
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