M923: mudding or not?

Interesting, what is the definition of "Large" here...something like 54"?

my 925a1 will spin all 6 in mud... before coming to a total stand still. i like to use gravity as my recovery tool around here though

i believe that some of the a1's have LSD's installed, which i think is what mine has. read something somewhere once that the a2's do not

LSD? Pardon my ignorance, but what does that stand for?

Gravity as a recovery tool...AKA mudding on hills?

71DeuceAK said:

LSD? Pardon my ignorance, but what does that stand for?

Gravity as a recovery tool...AKA mudding on hills?

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Limited Slip Differential... when one wheel spins faster than the other at low speeds the other wheel gets power too. next best thing to an actual locker.

And yup!

One faster than the other...AKA in turns, etc?

Yeah, I knew it couldn't be the drug LSD...

nah if one is losing traction, the other picks up. one normally has to turn faster for turns on hard ground. there is probably some ratio of turning faster that it feels and sends power the other way.

its pretty much black magic to me.

Same here, I've never understood the concept of differentials very well...it might as well be magic...

Some googling nets that the LSD in these consists of detroit lockers:

http://www.offroaders.com/tech/Detroit-Locker-automatic-lockers.htm

I'd heard of Detroit lockers before, come to think of it!

It is all about how you drive in the mud and know your truck's abilities and what you are comfortable with. The two 5 tons in the mud pit videos, yeah turning the wheels helps a bunch than trying to go in a straight line, also makes no sense to pull uphill! also the closert to the truck you can get the better. I have a 9ft 86k lb strap that is great for a nose buried truck so you can pickup as well as pull. The suction is what sticks you, not the mud. long straps will just keep bulldozing or something will break. The 140' parachute straps will break with a 5ton getting a takeoff run and whatever else wants to break behind it. The truck is heavy yes, but the truck being heavier than its stock weight has a big advantage. Ecology blocks/dirt etc in the bed are excellent. My 923 with a load of dirt will crawl its way thru more crap than my unloaded one. I have had lots of luck crawling off into slop mud slowly, letting it sink and find something to grab ahold of below it all. The top is just runny from everyone else with their light trucks flying thru it. But of course if you get a big one stuck, it always takes bigger to get you out. That's when you call in the MMRS.

https://youtu.be/BgSDbLA6EpU


or go find an old tracked M578. There is one in Polson, MT I am sure that can be bought.

https://youtu.be/VV-Qbh0C5Y4

gimpyrobb said:

There is no other way to find out what your truck can(and can't) do than to wheel it. There is no guarantee you will get un-stuck, but a winch and another truck will do wonders.

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I knew there was a reason I liked this guy. I bought an M925A2 specifically to have self recovery ability (winch) and have some fun. I deliberately drove my 9 though deeper and deeper yuck until it was stuck. I did this so I know what it can and can't do now. Without that experience, I would be questioning everything I came upon. If you open and look at this pic, that is nearly 4' deep at the center axle. It was also fun having a 200' winch cable, and the nearest tree 190' away. Bought and installing same winch on rear this spring.

Ah fun, 5 ton buried up above the axles!

If any of you know Wildchild467 over in the Deuce forum, he is a great guy to go off-roading with. After I was stuck above, he got out of his truck and payed out my winch cable to the tree, while I sat inside making engine noises with the heat on lo, eating a Honey Bun in my flip flops. Then once home, he power washed every inch of the truck, and then repainted it for me original 3 color camo. All while I did nothing or less. I'd recommend anybody to take him on your next off-roading adventure.

Wow, that sounds like it makes it even more fun, not having to do the "recovery" and "cleanup" work!

74M35A2 said:

I knew there was a reason I liked this guy. I bought an M925A2 specifically to have self recovery ability (winch) and have some fun. I deliberately drove my 9 though deeper and deeper yuck until it was stuck. I did this so I know what it can and can't do now. Without that experience, I would be questioning everything I came upon. If you open and look at this pic, that is nearly 4' deep at the center axle. It was also fun having a 200' winch cable, and the nearest tree 190' away. Bought and installing same winch on rear this spring.

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Yeah gimpy found out what the tipping point of a deuce is for everyone to see.

Csm Davis said:

Yeah gimpy found out what the tipping point of a deuce is for everyone to see.

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... and I now have much more respect for small, slippery hill sides that look harmless.

74M35A2 said:

If any of you know Wildchild467 over in the Deuce forum, he is a great guy to go off-roading with. After I was stuck above, he got out of his truck and payed out my winch cable to the tree, while I sat inside making engine noises with the heat on lo, eating a Honey Bun in my flip flops. Then once home, he power washed every inch of the truck, and then repainted it for me original 3 color camo. All while I did nothing or less. I'd recommend anybody to take him on your next off-roading adventure.

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I hope at least you bought him beer and pizza. Sounds like he earned a steak dinner.

Grabbed a few pics of the M931 w/o fifth wheel, departing the G749 farm for greener pastures. They sure can climb hills.

OK, just curious, I know I'm reviving this thread, but how often does everyone NORMALLY change the fluids (transmission, differentials, etc), under "normal" conditions? I'm curious and thought I'd ask here since my thought is take mine I'm getting mudding in the real nasty stuff right before doing the fluid changes and other major maintenance/full servicing...how often, or after how many miles (I know sometimes time trumps miles) do you guys typically change all the fluids, repack all the bearings, and the like?

71DeuceAK said:

OK, just curious, I know I'm reviving this thread, but how often does everyone NORMALLY change the fluids (transmission, differentials, etc), under "normal" conditions? I'm curious and thought I'd ask here since my thought is take mine I'm getting mudding in the real nasty stuff right before doing the fluid changes and other major maintenance/full servicing...how often, or after how many miles (I know sometimes time trumps miles) do you guys typically change all the fluids, repack all the bearings, and the like?

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You need to limit water intrusion on your transmission and transfer case. However if you submerge the transfer case. Transmission or engine then there are other issues you better tend to first.

Im adding a bypass filter to my transmission since the napa 1268 filter is a 25micron rating over a LFP670XL that is a 4micron which would be much better of getting the little clutch material out

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