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Difference between CUCV and K30

Discussion in '1973-1991 K5 Blazer | Truck | Suburban' started by AzzKicker, Aug 1, 2002.

  1. AzzKicker

    AzzKicker 1/2 ton status

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    I hear so much about people dying to get a good CUCV. Whats the difference between a CUCV and say a dealership bought K30.

    Is there any difference in frames. etc.

    they run the same drivetrain basically dont they?
     
  2. jackedjimmy

    jackedjimmy 1/2 ton status

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    i'm not positive but i think that a CUCV is a one ton military blazer with a 14ff and a d60 in front with 4.10 r&p with a detroit locker in the rear.
    And a k30 is just a one ton pickup. There are also M1008's which from what i understand is a one ton military pickup with the same goodies as the military blazer.
     
  3. SCOOBYDANNN

    SCOOBYDANNN 1/2 ton status

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    </font><blockquote><font class="small">In reply to:</font><hr />
    i'm not positive but i think that a CUCV is a one ton military blazer with a 14ff and a d60 in front with 4.10 r&amp;p with a detroit locker in the rear.
    And a k30 is just a one ton pickup. There are also M1008's which from what i understand is a one ton military pickup with the same goodies as the military blazer.


    [/ QUOTE ] kinda

    k30's---d60 front, 14FF rear--most likely 4.10's but some 3.73's---some gov-locked in rear.

    CUCV--military--d60 F--14FF R--4.56 gears--most came w/ detroit lockers in rear--most open front but have heard some (very few) came posie'd front.

    military blazers are same as civilian blazers---came 3.73 w/ some posie'd rear open front.

    I think i covered most of it but im sure ther is more to it
     
  4. DieselDan

    DieselDan 1/2 ton status

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    Getting closer: All CUCV came with the 6.2 and a TH 400. Most came with a NP208 transfer, certain (few) models had the NP205 (for the PTO) and some of these few had a limited slip up front (M1031).
    All M1009 K5 had a limited slip (Gov Lok) in the rear and 3.08 gears. All CUCVs have a 12V/24V electrical system: dual altenators, 24V starter, black-out lights, and a unique glow plug system. All CUCVs had the "J" motor (including the M1009) with no EGR.
     
  5. FL84K5

    FL84K5 1/2 ton status

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    How rare are CUCVs? You would find them at a governemnt auction right?
     
  6. Scuba Steve

    Scuba Steve Registered Member

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  7. thatK30guy

    thatK30guy 1 ton status Premium Member

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    What the last few guys said.../forums/images/icons/wink.gif

    I have an '84 M1008 sitting in my yard and an '82 K30 sitting right beside it.

    The frames are identical between the two. Bodies are the same, too.

    Some stuff to look out for on the M-series trucks:
    Bumpers with pintle hooks and clevis hooks protruding past the bumpers thru a small hole.
    Some had 12 volt and others had 24 volt systems.
    Black-out driving lights offers the ability to drive at night without lights and brake lights coming on when you apply the brakes.
    Diesel engines.
    TH400 trannys.
    NP208 in the majority of the trucks. NP205's were in the M1031's.

    Blazer's were called M1009's. They had the 10 bolt front and rear axles, but with 3.07 gears.
    They also had the TH400 and NP208.
    These trucks were classified as "3/4 ton" although they are a 6 lug bolt pattern, they were classified 3/4 ton due to the GVWR which is heavier than a standard civilian Blazer.
     
  8. Diesel Dan

    Diesel Dan 1/2 ton status

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    Then there is the air force crew cabs. Basically civilian trucks ordered in special blue. Only three options that I can tell, diesel engine, auto trans and dual fuel tanks. Came with 12V electrical, open 4.10 diffs, NP205, stock bumpers and radio delete. I bought an '88 from a closed AFB, basket case with 42K miles on it.
     
  9. wayne

    wayne 3/4 ton status

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    Also don't forget the CUCV Ambulance. They had the D60/14ff combo. On the back they also had special mounting for the shackel hooks. The shackel hooks are for lifting the vehicle with a helicopter.
    All CUCV Blazers came with 10 bolts and 3:08 gears and the rear had a Gov lock. None of them had rear panels on the inside like a civilian model. They also had the 6.2/th400/208.
    The trucks were rated 1 1/4 ton. All had the 6.2/th400. Most had the 208 and very few had the 205. The all had the D60/14ff. Most had a Detroit in the 14ff and it is about 50/50 on the Trac Lok in the D60.
     
  10. thatK30guy

    thatK30guy 1 ton status Premium Member

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    True. /forums/images/icons/wink.gif

    I know there are at least 3 or 4 of these blue V3500 crew cabs going up on the auction block in about a week thru a government site.

    Bad thing is...they are all located in Alaska. /forums/images/icons/frown.gif
     
  11. greywolf

    greywolf 1/2 ton status

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    where in alaska? my little bro is there (ARMY)ranger school
    he could strip the 60 and 14 out and ship them.please let me know the location.
     
  12. Emmettology 101

    Emmettology 101 3/4 ton status

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    What if someone bought a Military Blazer and civilianized it? Say they put normal bumpers on it, swapped the 6.2/400 for a 350/350 and painted it. How would you tell if it was a CUCV??????
     
  13. Mr.Chevy4x4

    Mr.Chevy4x4 1/2 ton status

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    The M16 mounts might give it away! /forums/images/icons/grin.gif
     
  14. thatK30guy

    thatK30guy 1 ton status Premium Member

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    They are in Anchorage. (sp) PM me and I will tell you where to check the auction out. /forums/images/icons/wink.gif
     
  15. thatK30guy

    thatK30guy 1 ton status Premium Member

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    The first thing I would check is the VIN and decode it. /forums/images/icons/wink.gif You cannot fool the VIN. /forums/images/icons/laugh.gif

    Second, I would check the dash to see if the black-out light switches are still there.

    Third, I would pop the hood to check out the wiring and whether the truck has the 24 volt system or not.

    /forums/images/icons/grin.gif /forums/images/icons/grin.gif /forums/images/icons/grin.gif /forums/images/icons/grin.gif /forums/images/icons/grin.gif
     
  16. Diesel Dan

    Diesel Dan 1/2 ton status

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    While at the auction for my crew cab a AFB blazer went also. It was the same blue, 12V electrical with a TBI 350. It was an '87 or '88. Sold for $1700 IIRC.
     
  17. jackedjimmy

    jackedjimmy 1/2 ton status

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    what were the trucks that a bunch of ck5'ers won in that GSA auction a few weeks ago? They were all saying they had 14ff and d60's wit 4.56's and rear detroits.

    i saw the pics and most of them were pick ups. were they just normal k30's with lower gears and a locker?
     
  18. thatK30guy

    thatK30guy 1 ton status Premium Member

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    All those 7 trucks that were won by Mr.Chevy were the pick-up version, not the Blazer.

    Those trucks were the M1008's. Blazers are M1009's.

    The M1008's are pretty much a standard K30 with lower gears and a Detroit installed from the factory. They also were available with 24 volt systems, too.

    Nothing real special about these trucks but the lower gear ratio and locker is about all that makes them so desirable.

    It only makes sense to pay so cheap for these trucks instead of paying more for new gears and lockers to install in some K30 axles. /forums/images/icons/wink.gif
     
  19. FL84K5

    FL84K5 1/2 ton status

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    What was the reason for putting in a 24v electrical system as opposed to a 12v in them?
     
  20. 70~K5

    70~K5 1/2 ton status

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    Some of the military radios run off 24v and the military has been using 24v since before WW2.
     

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