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M880 series axle question

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  • M880 series axle question

    Read somewhere(?) that the 880 series axles have stronger splines than civilian trucks. Just curious because I've often wondered why they are rated at 5/4 ton.

  • #2
    w200 with extra leaf springs

    The M880 series are w200's with extra leaf springs and a really cool paint job. no power steering, 318 autos. fulltime 4x4. make sure to grease the front bearings!

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    • #3
      5/4 ton was a military designation. Also think the M880's may have been 24volt.....As far as the guy at the parts store is concerned 74W300 is right, its just a W200.

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      • #4
        Jimmy D??

        anybody heard from Jimmy D keeper of the mountain. his tale of busting out of a locked junkyard in a M880 motivated me to buy my M884. he knew those trucks inside out. adventurer sport also was a big fulltime advocate who influenced my m880 decision. Ugg just crossed my mind. I'm gonna browse the archives a bit

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        • #5
          Seems like I've seen JimmieD post on one of the other sites, not sure of the whereabouts of adventuresport.

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          • #6
            Keeper of the Mountain?

            JimmieD is alive and well! I keep up with him frequently and maybe he will drop in and say hello?

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            • #7
              The axles are nothing special on the M880s, a dana 60 rear and a 44 front. I have heard that the military designated them as 5/4 ton "OFF ROAD" due to liability issues with the brakes, ( Weight rating vs stopping power at highway speeds) But I can not confirm that this is the actual reason.

              They were all 12 volt for the electric systems on the truck, But some did have extra stuff to run 24 volt military radios...

              Basically, they are the same plain Jane truck that any body could of gotten at the dealership, They did come with an extra pully on the crank, tow hooks, pintel hitch and a " super cooler " coolant system. some also came from Dodge with troop seats and a cargo cover. They came from Dodge in Forest Green or Field Drab with black interior. Black out lights were added at the Unit or Depot level ( if needed )

              This platform ( 318,727,FTFWD ) was common in 1977. I believe ( but can not confirm ) that many of these trucks ( 318, 727, FTFWD combo ) were used for the Sno-Fitter package.

              for any parts needed at the parts store, simply tell them you need parts for a 1977 W-200 ( 3/4 ton FWD )

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              • #8
                Watch advice saying "just order stuff for a W200." I ran into problems with this. I've also seen some 880's that have been modded over the years so that simply going into NAPA and asking for a set of brake pads turns into a jigsaw puzzle.

                Since my truck is not a daily driver I usually take stuff apart first. A few years ago I needed to replace a front rotor that had cracked and a leaking brake hose on the same wheel. It turned into a five trip day only to have to wait to order parts that still came in wrong then discovering that the rotors on the truck listed under a W300 designation with W100 brake calipers and a W200 brake hose. Now how much of that was due to an incorrect catalog and how much was due to previous owners screwing with my truck we'll never know. I always take the parts with me to the store before I buy.

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                • #9
                  Originally posted by Deathdeelr View Post
                  Watch advice saying "just order stuff for a W200." I ran into problems with this. I've also seen some 880's that have been modded over the years so that simply going into NAPA and asking for a set of brake pads turns into a jigsaw puzzle.

                  Since my truck is not a daily driver I usually take stuff apart first. A few years ago I needed to replace a front rotor that had cracked and a leaking brake hose on the same wheel. It turned into a five trip day only to have to wait to order parts that still came in wrong then discovering that the rotors on the truck listed under a W300 designation with W100 brake calipers and a W200 brake hose. Now how much of that was due to an incorrect catalog and how much was due to previous owners screwing with my truck we'll never know. I always take the parts with me to the store before I buy.
                  This is good advice & would apply to ALL Dodges. Mopar seldom followed any rules on the assembly line, making every vehicle "unique".

                  bucky

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