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8.25 axle shafts

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Old 04-10-2018, 06:36 PM
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Default 8.25 axle shafts
Alloy says there shafts are 4140 chromoly
yukon says there’s r 1541H alloy steel
what would you all pic? I looked up the strengths chart online and says the 1541h has higher numbers then alloys chromoly 4140?
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Old 04-10-2018, 08:05 PM
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What size tires are you running? The factory 8.25 shafts have proven to be tough even with 35s, I would be more worried about the front shafts than the rear.
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Old 04-10-2018, 09:12 PM
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I got 35 I just threw u see it, it’s got a lunchbox locker in the rear. I’m getting front shafts. Just wanna know what people think on the rear that’s it for now.
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Old 04-11-2018, 08:27 AM
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Originally Posted by fannitti
I got 35 I just threw u see it, it’s got a lunchbox locker in the rear. I’m getting front shafts. Just wanna know what people think on the rear that’s it for now.
I've brutalized my 8.25 for over 8 years, never had a prob with the shafts locked on 35's, the D30 has broken many a time.


I don't know the answer to your question, but IMO your spending money for piece of mind I guess.
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Old 04-11-2018, 09:20 AM
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Correct just seeing what would be better that’s all I want to know
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Old 04-11-2018, 11:38 AM
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Originally Posted by mrshaft696
I've brutalized my 8.25 for over 8 years, never had a prob with the shafts locked on 35's, the D30 has broken many a time.


I don't know the answer to your question, but IMO your spending money for piece of mind I guess.
You say you have broken yours D30 many times, at what location on the shafts does it brake the most and which axle brakes the most the drivers side or the passengers side?
I was just wondering what possibly to expect and what spare parts to carry on the trail.
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Old 04-11-2018, 12:57 PM
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Originally Posted by MikeT2
You say you have broken yours D30 many times, at what location on the shafts does it brake the most and which axle brakes the most the drivers side or the passengers side?
I was just wondering what possibly to expect and what spare parts to carry on the trail.


Mostly for me the ears of the axleshafts break/distort & cause everything else to go to hell...Good aftermarket ones have a much larger area around the caps of the u-joint.


I would carry spare shafts, carry them with the hub attached if you cant break the 36mm axle shaft nut on the trail. Then as a back up to both spares I carry a "stub on a hub", just a stub shaft bolted to a hub so you can stuff a rag in the axle tube and drive home.


I also bring ball joints & press because I have had the u-joints explode & take them out. I always tack weld the caps of my u-joints as well...


So I personally haven't killed the r&p, but I have seen it happen with aftermarket shafts and beefed up u-joints, you have less of a "fuse" on big shock loads.
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Old 04-13-2018, 11:30 AM
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Originally Posted by mrshaft696
Mostly for me the ears of the axleshafts break/distort & cause everything else to go to hell...Good aftermarket ones have a much larger area around the caps of the u-joint.


I would carry spare shafts, carry them with the hub attached if you cant break the 36mm axle shaft nut on the trail. Then as a back up to both spares I carry a "stub on a hub", just a stub shaft bolted to a hub so you can stuff a rag in the axle tube and drive home.


I also bring ball joints & press because I have had the u-joints explode & take them out. I always tack weld the caps of my u-joints as well...


So I personally haven't killed the r&p, but I have seen it happen with aftermarket shafts and beefed up u-joints, you have less of a "fuse" on big shock loads.
Thanks for the advice and answering my questions.
Mike T2
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Old 04-14-2018, 05:16 AM
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So what’s better alloy USA or Yukon for my 8.25 lol
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Old 04-14-2018, 08:56 AM
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USA standard also makes shafts for the 8.25 and they are the same as Yukon but cheaper.
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Old 04-14-2018, 09:38 AM
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I'd break a stock 8.25 shaft before I'd go spend $ on aftermarket axles.
The are plenty strong.
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Old 04-14-2018, 10:07 AM
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Originally Posted by Big David
I'd break a stock 8.25 shaft before I'd go spend $ on aftermarket axles.
The are plenty strong.
x2
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Old 04-15-2018, 09:26 AM
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Nobody makes real 4140 chromoly shafts for the 8.25, because the wheel bearings ride directly on the axle shafts instead of a pressed on bearing and separate race, the metallurgical properties of 4140 can't handle it, r1541H is only at best roughly 25% stronger than stock
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Old 04-15-2018, 11:49 AM
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^^^ reason why I don't think they're worth the money to buy "upgraded" shafts. Just get a spare shaft if you're worried.
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