Guys, any diagrams or helpful info on why my drivers side rear dually axle on my 94 Dodge came out while driving tonight? Had to get a tow and am fearing the guts are toast. Is this ..common.. ?

Overload's Sig:

2003 3500 with 96 12 valve
1994 3500 with 51 front clip 12 valve
1991 250 with 12 valve and hood stack
1947 Ford with Mercedes 5 cylinder turbo diesel
1949 Plymouth Special deluxe with 4 cylinder Mecedes diesel

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the whole axle shaft slid out?

big bad diesel 416's Sig:

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Yes, its kinda unbelievable to me that it did, but I can see the axle shaft coming out the axle tube, I can see my brake drum pads, and it looks like both tires are outside my fender. What has happened here?

it should be a full floating axle. it should be held on by 8 bolts and thats it. maybe all your bolts somehow backed out and it slid out. thats the only theory i can think of

or if you toasted some bearings and the backlash nuts backed all the way off and everything went haywire you could have the whole hub fall off. but all of the coming off including the retaining clips is like next to impossible

tltruckparts's Sig:

1995 Chevy K2500, 1993 Cummins P Pumped 12 valve Turbo Diesel IC, Getrag 5 speed w/ southbend clutch, NP205 Transfercase, SAS w/ GM Dana 60 front, AAM 11.5 rear, BFG MT 35's. SDX 5x14 injectors, PhatShaft 62, airdog II 165, Autometer EGT, Boost, & Fuel Pressure, hydraulic steering. and a few moore goodies

wow. i never heard of that before.... that really sucks... that is

kayden101's Sig:

96 3500 dually - afe intake, flat bed, 4 inch straight exhaust 5inch tip, NV4500, Isspro Turbo Pyro gauges, KDP Killed, 100 plate, 3k GSK, 254k + miles...

So the axle slid out or the axle and the drum together.

joey's Sig:

97 dodge 2500 gauges boost, pyro, trans, turbo back 5inch, big head wastegate, 3k govener springs, ground fuel plate, mod afc, head bolts, all around custom replacement bumpers and headace rack, tc lock up swich, fuel plate and afc all the way foward, built up trans, icebox air intake

Yes, When the wrecker hoisted the back end up both drivers side tires were outside of fender, still bolted to the hub/drum assembly with the axle shaft connected. What keeps the hub from coming off? THe wrecker driver tried to tell me that the only thing keeping this from happening is a dowel retaining system inside the pumpkin, but that seems way to weak to be the only thing keeping my wheels from coming off. Just to start looking, anyone in Cincinnati area have dually rear end?

Bearing / nut failure? I would think the bearing let go.

Pyro690's Sig:

97 Cummins 12v w/ a Dodge 2500, X cab, 4x4, NV4500, Flat bed, KDP tabbed, Autometer Boost/pyro gauges, 100 fuel plate, 4" Diamond Eye exhaust, 4GSK

nut backed off proabbly due to bearing failure.

co84rc's Sig:

95 Dodge 3500,cummins,club cab,2wd,dually,5 spd,4" straight pipe with 4" down pipe,prime lock fuel filter,#5 plate full forward,35psi,3k gsk, aFe pro dry intake,glow shift gauges,valair 13" single.

I just saw this happen to a 3/4 ton about a month ago. And yeah whatever retains the shaft in the pumpkin failed.

FastCR's Sig:

1995 Chevy K2500 Extended Cab Long Box P Pump 12 Valve + NV4500 + D60 + Military 37s
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iirc, nothing holds the shaft in on the pumpkin side. there should be two wheel bearings, either 1 or two retaining nuts, and two c clips that hold everything together in a hub assembly. for all that to go bad to the extent that it did is almost impossible, but apparently it happens

I'm tearing into it tonight to find the answer, but Im assuming the C clip talked about must somehow be the answer as the axle came out of the shaft. Having not had this apart before I cant visualize what it looks like on the hub assembly but there must be a "spindle" that the axle travels through and that is the nut that backed off? Still dont get it. WIll let you all know.

hope your spindle is ok. if not some welding shops can replace it but its not cheap. the hub assy is held on by a single nut that has nylon on the outer 1/4 of the nut. then a wedged shaped think called a keeper is aligned with the key way on the spindle and pounded into the nylon to keep the nut from moving. i hope everything is ok and the nut just backed off.

oldgrey90's Sig:

90 w250 auto 3:07's, locked rear, 4in lift, 35"bfg's, 3200 spring, messed with pump, pod's, 60mm upgrade, k&n, steering box brace, odometer stopped at 265xxx many years ago.

there are no C clips on a full floating rear axle.

i didnt mean c clip, i meant snap ring. my rear hubs use a snap ring on each side