I've owned them, too. Had them in my '79 KW K100. They did the same thing as my SQ100s. Get one axle off the ground, doesn't matter which one, and you're stuck, until you kick in the power divider.
axle interlock
Discussion in 'Trucks [ Eighteen Wheelers ]' started by chrisut, Mar 19, 2013.
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Did you ever have them apart, there is no way for that to happen. There is a direct link from the input shaft on the front rear that runs through the front housing all the way to the output.
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Hammer166 Thanks this.
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I'm not saying the front will spin, I was responding to the point that if you jack the front axle up in a truck that has SQHD's that it will not transfer power to the rear that is off the ground, it would actually push itself off the jacks if the back rear was in contact with the ground.
I can back my GMC on to a trailer with out being lock together and won't have a problem until my back rear gets light, I have to engage the power divider to get anything out of the front rear, otherwise it's useless. -
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What I am saying is that on the rears we were talking about there isn't a choice, I will get some pics when I get home to show you what I'm talking about. On the SQHD's for the front axle to turn the no matter the traction situation the power divider has to be engaged. It controls a slip yoke on the thru shaft that slides into place it then engages the front rear, when it is not engaged there isn't a way for the input shaft to turn the front rear.
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They made an SQHF with no interaxle diff, but if go here Meritor, it plainly shows a standard power divider in the SQHD.
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Where did I say that it didn't have a power divider. I'm just saying it does not work the same as the more modern rears or even the eaton rears from that era.
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One power devider is never enough.......
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One last try... So let's say you have to lock the divider to get power to the front axle. So that means the divider only sends power to the front when locked. If that's true, then you've accomplished nothing, because you still haven't locked the axles together.
"But," you say, "locking the divider locks the axles together!" (Implying no power division.)
This is true, but why is there a power divider if it doesn't send power to the front unless it's locked, driving both rears?
Do you see how you're misunderstanding this?
Think of a power divider as a full-time 4-wheel drive with a lock in the center, not as a transfer case that disengages one of the axles. (NIce analogy stolen from here: http://tow411.yuku.com/topic/78075#.UUk8dRdOOSo)
The slip sleeve you talk about locks two shafts together, effectively bypassing the power divider. But unlocked the divider send power to both.
And I'm done with the dead horse. It's been beaten to no avail in multiple threads on this same topic.
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