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Heavy Duty 3/4 ton front axle?

Discussion in '1973-1991 K5 Blazer | Truck | Suburban' started by MudFrog, Sep 26, 2001.

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  1. MudFrog

    MudFrog 1/2 ton status

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    What would this be considered? He says it's stronger than most 3/4 ton front axles and it's closer in strength to a Dana 60. I already have a lead on a nice 10 bolt but was wondering what a Heavy Duty front 3/4 ton axle consisted of. Oh yea... he said they usually charge between 450-500.

    89 K5 Silverado
    <a target="_blank" href=http://mudfrog.rockcrawler.com>http://mudfrog.rockcrawler.com</a>
     
  2. RedDwarf

    RedDwarf 1/2 ton status

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    Could be a Dana 50.
    Found in Fords.

    Poundin' the ol "pavment"!
     
  3. tRustyK5

    tRustyK5 Big meanie Staff Member Super Moderator GMOTM Winner Author

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    Sorry, I'm lost...Who said this? Is this someone selling you an axle? AFAIK, its gonna be a 10 bolt, Dana 44 and then there really isn't anything else till you get to the Dana 60. Ford has a Dana 50 in their Super Duty trucks...but it would need some serious mods to work in a K5.

    Rene

    <font color=green>Dyslexics of the world...UNTIE!</font color=green>
     
  4. not4show

    not4show 1/2 ton status

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    Yep, that's exactly what I was thinking too.

    Never put a stupid move passed a stupid person.
     
  5. Hossbaby50

    Hossbaby50 3/4 ton status

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    I agree with the others. I think this guy is blowing smoke up your a**. It's might be a beefed up 10 bolt or 44. It was printed somewhere that if you use the chromo axles in a 10 bolt or D44 that you were approaching stock D60 strength, but if that were the case and it had these axle shaft it's not going to be $500. Those parts alone are more then $500.
     
  6. RedDwarf

    RedDwarf 1/2 ton status

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    You can't believe everthing you read. 1/2 ton stuff can never be what a Dana 60 is. Tubes, housing, bearings, gearset, none of those even come close to a 60.

    There just really isn't a substitute....

    Poundin' the ol "pavment"!
     
  7. michaelm

    michaelm 1/2 ton status

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    careful Red you will shatter their illusions
     
  8. Hossbaby50

    Hossbaby50 3/4 ton status

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    I know. I didn't clearify well enough. What I read, and meant to say was the chromo axle shafts for a 10 bolt were approaching stock D60 axle shaft strength. That just what I read though. I know that the bearings, u-joints, etc. wouldn't be as strong.
     
  9. ChevyCaGal

    ChevyCaGal 3/4 ton status

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    Quit knocking the 10b's.... just because you dislike them doesn't mean they suck... if they are such crap why does the owner of Offroad Design use them????? How come he won second in the TTC with such crap axles?????

    <a target="_blank" href=http://www.chevycagal.homestead.com/steph.html>Steph's Webpage</a>
    Suck Fumes Ford Boy
    &lt;&gt;&lt; PSALMS 23 &gt;&lt;&gt;
     
  10. K10ANDYKHAMNIC

    K10ANDYKHAMNIC 1/2 ton status

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    uh actually he didnt use them in ttc , he upgraded to a dana 60 and a 14 bolt ff , before hand , and i have his old "crap axles" :) yay !

    WHATS WRONG WITH A 305 ?
    81 K10 GOODYEAR 35" MTRS
    TH350 NP 208
    STEPHENS OLD AXLES
    NO BREAKAGE :)
     
  11. ChevyCaGal

    ChevyCaGal 3/4 ton status

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    My mistake in the way I worded that... I didn't mean he used them for it... I was meaning he obviously knows what he is saying when he says they can hold up to stuff since he won 2nd in TTC... if he says they are decent axles then they are because he sort of is in the business of knowing his stuff...

    <a target="_blank" href=http://www.chevycagal.homestead.com/steph.html>Steph's Webpage</a>
    Suck Fumes Ford Boy
    &lt;&gt;&lt; PSALMS 23 &gt;&lt;&gt;
     
  12. iceman

    iceman 1/2 ton status

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    I came across the HD designation in reference to the 3/4 ton large hub design used in the mid 70's, I don't know why they did it, but it's the only mention of HD I could find. I suppose because of the spindle and hub being heavier than the 1/2 ton version it got the HD attached to it. Go figure? Iceman
     
  13. AGM73k5

    AGM73k5 1/2 ton status

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    I had a front and rear from a 76 k20 "HD". Powermad has the front end now :) Maybe he has more insight on this one?

    -Aaron

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    AGM73k5 -- ajgm1@yahoo.com
     
  14. Pugsley

    Pugsley 1/2 ton status

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    Ford did it in the 70's too - I had a 77.5 F250 with the D44 HD - bigger spindles and hubs were the only difference.

    Special thanks to those lost from IAFF Locals 94 and 854 - You shall never be forgotten
    <a target="_blank" href=http://pugsley.alloffroad.com>pugsley.alloffroad.com</a>
     
  15. POWERMAD

    POWERMAD 1/2 ton status

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    After a bit of research I came to the conclusion that the only reason the 3/4 ton mid 70's D44 was classed as a HD was the big ol external hub.
    The axle shafts are the same as a 1/2 ton and untill 76 the tube OD is 2 3/4". In 77 they did away with the external hubs and the tubes went to 3" on 1/2 and 3/4 tons.
    If what he is refering to is an external hub D44 then $450-$500 is way to much unless it has chromo shafts in it.
    As soon as I get new wheels I plan on fiding out just how heavy duty it is.
    But since I have not managed to break the 6 lug one that I have now I forsee no problems.


    <font color=green> Too bad ignorance isn't painful </font color=green>
     
  16. MudFrog

    MudFrog 1/2 ton status

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    Wow.. I go to bed and wake up and I have a lot of replies [​IMG]. Gotta love this site.

    Ok.. heres the whole scoope. I received an email from a guy that saw my rig profile on rockcrawler.com. He said he was in the same town as me and him and some friends were looking for some four wheeling buddies. So naturally I told him I was up for it. So we start talking about our rigs, and I tell him I am in the middle of a 3/4 ton coversion and I wouldn't be able to wheel till I bought a chevy 3/4 ton front axle with 4.10's. So he replied back about a few other things and he said he had leads on a bunch of them. I know you can't beleive everything you hear but he builds drag cars for a living so I figure he has to know something?!? Anyway he emails me back and says he has this axle but wants to know how much I was willing to pay. I told him I'm already talking to someone else about a front 10 bolt (which we haven't set an exact price but $250 was mentioned). The 10 bolt is ready to go in and even comes with a few extra parts. So this dude with the "HD" writes back about his this is the email I received:

    "that is a slammin deal is it in good running condition the one i got needs nothing and is the real heavy duty unit not just the regular 3/4 ton but more like a one ton"

    The really slamming deal he is referring to is the 10 bolt for $250. Now I'm aware they basically jump from a D44 to D60 for chevy applications, but we all learn something new everyday and I thought maybe someone can shed some insight on the situation. Anyway.. the guy said if I want it I can have it for $380. Which is still a lot!! I emailed him back asking about if it was still a 8.5" Ring and Pinion, 28 or 30 spline and so on. I haven't received word yet but I'll call him tonight and get the whole scoop.



    89 K5 Silverado
    <a target="_blank" href=http://mudfrog.rockcrawler.com>http://mudfrog.rockcrawler.com</a>
     
  17. Grim-Reaper

    Grim-Reaper 3/4 ton status Author

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    The "HD 3/4 ton" is a D44 with half inch thick walled axle tubes. SO it's more resistant to bending. However most 10's and D44's don't fail as a result of the tube bending theyfail when the casting at the pumpkin where the tube is pressed breaks.
    The external hub D44 is no stronger than the internal and a PIA to find Hubs for. The shafts are the same and if it's a pre 74 they may even be weaker. Any D44 or 10 bolt after 74 is what you want. Just find one with 8 lugs and go with it.

    I don't need no damn shop manual, I got a pornographic memory.
    <a target="_blank" href=http://communities.msn.com/OffroadK5s>communities.msn.com/OffroadK5s</a>
    75 Jimmy, Dollar
    Grim-Reaper
     
  18. MudFrog

    MudFrog 1/2 ton status

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    Hmm... ok.. .that answers my question then. No need in paying $400 for an old out of date axle when I can get a decent one for around $250.

    89 K5 Silverado
    <a target="_blank" href=http://mudfrog.rockcrawler.com>http://mudfrog.rockcrawler.com</a>
     
  19. Kyle89K5

    Kyle89K5 1/2 ton status

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    Actually, I thought the external was gonna be a bitch to find hubs for too, but it wasn't all that hard. Warn and Superwinch both make hubs. I'm running an external style on the front of mine. No complaints to speak of.

    Other than that, yep, I agree.

    Kyle
    89K5
     
  20. RedDwarf

    RedDwarf 1/2 ton status

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    Whoa, take it easy ChevyCaGal!
    Noone is calling the 10 bolt a "crap" axle. It's a great 1/2 ton unit that some people underrate. But they are a light-duty axle. They won't stand up to bash and crash or lots of torque. If you wheel easy, then they might survive. Then again, they might not. Sometimes stuff breaks even if you are not dogging it.

    I own 4 10 bolts and I know them pretty well.
    Stephen Watson knows them pretty well too, that's why when he got ready to go to TTC, he upgraded to a 14 bolt and Dana 60.

    If a 10 bolt is all you can afford right now, then that's what you've got to work with. I am in the same boat, so my rig is running a Dana 44 in front right now. When I get a chance, I will go up to the 60.

    Poundin' the ol "pavment"!
     
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