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Old 07-13-2013, 08:07 PM   #1 (permalink)
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Bigfoot ZF Axles

I am thinking about upgrading axles on a Jeep Unlimited. I always thought it was cool how the original Bigfoot used military axles. Ultimately, I wanted to use something similar. It looked like the new Bigfoot trucks are using ZF Axles. Do you think it is even possible to use the same ZF axles as Bigfoot for this project or should I stick to the Dynatrac Pro Rocks? Thank you in advance for your responses?
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Old 07-13-2013, 08:24 PM   #2 (permalink)
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You should totally do it. They are a awesome axle upgrade. There is a guy on this board that makes brackets to install them in jeeps, I think his name is dieselmh, just send him a PM and ask about them
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Old 07-13-2013, 08:48 PM   #3 (permalink)
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Delete this thread and go here and ask.

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Old 07-13-2013, 08:49 PM   #4 (permalink)
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You should totally do it. They are a awesome axle upgrade. There is a guy on this board that makes brackets to install them in jeeps, I think his name is dieselmh, just send him a PM and ask about them
This, get ahold of him, he will set you up with everything needed at incredible prices ( he basically give this shit away!)
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Old 07-13-2013, 08:56 PM   #5 (permalink)
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The gear ratio is about 22:1 so unless you are running 66 inch or bigger tires your top speed will be about 35 mph. I have a couple sets of ZF 345b if you are in the market.
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Old 07-13-2013, 09:31 PM   #6 (permalink)
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Those axles are passenger side drop so you have to cross to front driveshaft to the other side. Make sure you lengthen your drive shaft to accommodate the new length. Good luck.
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Old 07-13-2013, 10:27 PM   #7 (permalink)
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Those axles are passenger side drop so you have to cross to front driveshaft to the other side. Make sure you lengthen your drive shaft to accommodate the new length. Good luck.
Dude! Are you new! If you lift it high enough for the oil pan to clear the driveshaft it can cross over no problem, everyone knows that

If he wants to set it up low he can just swap the steering knuckles side to side and flip the axle to get the diff on the correct side.
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Old 07-13-2013, 11:18 PM   #8 (permalink)
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The only problem I see is that I don't think you will be able to machine out your dick cepek dc-2s to fit over the planetaries
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Old 07-18-2013, 10:24 PM   #9 (permalink)
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Thank you for all of your responses. How much do you think the ZF axles cost that are exactly like the ones on Bigfoot?
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Old 07-18-2013, 10:44 PM   #10 (permalink)
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The smaller 345 axles are used in airport tugs. Bigfoot uses the large 745 axles I believe.

I would guess 745s are worth 10k a piece. 345s are worth 1k or 2k a piece.
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Old 07-18-2013, 11:01 PM   #11 (permalink)
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Thank you for all of your responses. How much do you think the ZF axles cost that are exactly like the ones on Bigfoot?
The axles are ZF APL735, APL745, and APLB755. Some have wet brakes, some do not. Some have limited slips, some are open. Tom Meents runs modified APL365 axles that hold up just as well.

I have read $15-17,000 new each from John Deere for 700 series. If you could find a couple used ones at a tractor junkyard, I would guess $3-9,000 each depending on the model. Some are centered diff, some are offset.




Why dont you call or email Bob Chandler? http://www.bigfoot4x4.com/home.html

Dan Patrick might know where to find some axles http://www.samson4x4.com/chassispage.htm

This guy knows stuff about monstertruck parts too: http://www.racesourceinc.com/

Last edited by Corey Young; 07-18-2013 at 11:39 PM.
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Old 07-19-2013, 06:54 AM   #12 (permalink)
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You realize how dumb you sound right? Nvm go 765 with 35" Thornbirds.... It'll be badass lol.
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Old 07-19-2013, 01:08 PM   #13 (permalink)
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see if these fit
Antonio Carraro axle Parts/Salvage | CHAPMAN SERVICES TROY , ME

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Old 07-19-2013, 01:09 PM   #14 (permalink)
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diff from a 744
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Old 07-19-2013, 01:54 PM   #15 (permalink)
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this guy says the bolt right in...





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Old 07-20-2013, 01:05 AM   #16 (permalink)
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^still ranks as the nicest mudtruck I've ever seen.
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Old 07-20-2013, 08:38 PM   #17 (permalink)
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$1200

If I lived near by I would buy them and let them sit in my barn.
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