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Discussion Forum

Bolens 750 Husky rear slip diff question

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Author  [Modern View]

11-30-2009 16:31:51

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I do not have an owners manual for my Bolens 750 Husky - but did see something on a pdf on the internet for the knob in the middle of the rear wheel which does something for the rear wheel drive - can someone tell me what this does and am I right that to engage it you turn clockwise and disengage anticlockwise.

Thank you,


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11-30-2009 17:45:49

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 Re: Bolens 750 Husky rear slip diff question in reply to 504-2, 11-30-2009 16:31:51  
A 'poor mans' locking differential...sounds about right for me! :lol:
Thanks for the info.


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11-30-2009 17:35:46

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 Re: Bolens 750 Husky rear slip diff question in reply to Britcheflee, 11-30-2009 16:31:51  
You tighten it by turning it in, clockwise as I recall. It's basically just a nut that puts presure on the diffential and locks up both wheels if you make it tight enough. It uses a cone-shaped brass clutch. The more you tighten it, the more friction is created between the two back wheels so they cannot turn independently. Sort of a "poor mans" posi-rear or locking differential. So, in theory if you really jam it tight, you get full two wheel drive and no differential action.

Also there is pin you can pull out so there is no wheel drive at all. that so you can roll it if the engine doesn't run.

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Kris Golden

11-30-2009 17:33:39

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 Re: Bolens 750 Husky rear slip diff question in reply to Britcheflee, 11-30-2009 16:31:51  
That locks the rear wheels together for a posi-trac. I think you are correct about the direction to turn, but its been a lot of years since I've used a Bolens. The small pin on the inside of the right rear wheel hub is for free-wheel mode, in case you need to push or tow your tractor. Otherwise it won't freewheel, even in neutral, because of a worm drive rearend. GOOD LUCK!

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