R.E.D Posted November 28, 2013 Share Posted November 28, 2013 Hi guys , im sure this topic has been thrown around but I would like to get feedback on my new purchase(truck in avatar).I want to know if it has self locking diffs.i don't see a switch on the dash and is imperative that I have a good mud truck since I do a lot of off-road.the truck is equipped with electronic 350 coupled to a maxitorque 9 speed.im not sure about the rear end ratios.i bought it because I believe this is a great set up for what I do.Please feel free to comment and any feedback is greatly appreciated.vin is 1M1P267Y3TM027360. Quote Link to comment https://www.bigmacktrucks.com/topic/33664-96-688s-power-divider-question/ Share on other sites More sharing options...
2stacksuperdog Posted November 28, 2013 Share Posted November 28, 2013 Look at the power divider. If there's air lines it air operated and if there isn't its automatic. Quote Matt Link to comment https://www.bigmacktrucks.com/topic/33664-96-688s-power-divider-question/#findComment-218766 Share on other sites More sharing options...
R.E.D Posted November 28, 2013 Author Share Posted November 28, 2013 I believe I saw no lines air lines coming from the power divider. .except a couple of them that I think operate the brakes...if I do have automatic lockin diffs...how reliable is that system? Quote Link to comment https://www.bigmacktrucks.com/topic/33664-96-688s-power-divider-question/#findComment-218799 Share on other sites More sharing options...
b61mack Posted November 28, 2013 Share Posted November 28, 2013 Raise the bed up get your knife out an scrape the grease or paint off the pad on the lower right front of the carrier, it will be stamped on there. the later ones are hard to read. I have a 97 cutoff that's got little punch marks. Quote Link to comment https://www.bigmacktrucks.com/topic/33664-96-688s-power-divider-question/#findComment-218801 Share on other sites More sharing options...
Lmackattack Posted November 28, 2013 Share Posted November 28, 2013 If you have camelback springs and automatic power divider you are good to go. Very reliable and it works great as long as the power divider parts are not worn out. Most r models with this set up will go in and out of the soft stuff where other trucks would not even think about it. Quote Link to comment https://www.bigmacktrucks.com/topic/33664-96-688s-power-divider-question/#findComment-218829 Share on other sites More sharing options...
R.E.D Posted November 28, 2013 Author Share Posted November 28, 2013 If the parts are worn ..how much would mack charge for the rebuild kit? Quote Link to comment https://www.bigmacktrucks.com/topic/33664-96-688s-power-divider-question/#findComment-218846 Share on other sites More sharing options...
pmolitor Posted November 28, 2013 Share Posted November 28, 2013 they are not expensive. I did mine 8 years ago and just remember thinking the bill wasn't that bad. as far as working, I absolutely love it. I've never been stuck in my RS. I've drug the pumpkin and walked right through. Quote Link to comment https://www.bigmacktrucks.com/topic/33664-96-688s-power-divider-question/#findComment-218903 Share on other sites More sharing options...
Lmackattack Posted November 28, 2013 Share Posted November 28, 2013 Same here...pulled the front end up a few times in places I should not have been driving thru. Can't comment on price of parts. Never have had to rebuild one....on a side note if you come to a stop are later find your stuck on snow or mud and it won't kick in. Stab the brake pedal quickly to transfer power to a wheel with grip and it should engauge the divider. Just a few quick stabs will do the trick Quote Link to comment https://www.bigmacktrucks.com/topic/33664-96-688s-power-divider-question/#findComment-218906 Share on other sites More sharing options...
R.E.D Posted December 2, 2013 Author Share Posted December 2, 2013 Ok thanks for the advice guys..I really appreciate it Quote Link to comment https://www.bigmacktrucks.com/topic/33664-96-688s-power-divider-question/#findComment-219597 Share on other sites More sharing options...
Vladislav Posted December 2, 2013 Share Posted December 2, 2013 I ordered a set of peanuts and inner cam for R-model from Watts a couple of years ago.Those parts were installed by previous owner when I just discussed with him on buying the truck and helped him about.There's the record in my copybook of the wedge set (peanuts) was $171 and the cam was $163.I also remember an outer cam was more expensive because it was of a bigger size and we didn't get it.Probably I'll get to that question in the future when start to rebuilt rears. Quote Никогда не бывает слишком много грузовиков! leversole 11.2012 Link to comment https://www.bigmacktrucks.com/topic/33664-96-688s-power-divider-question/#findComment-219600 Share on other sites More sharing options...
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