This is a well thought out build

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Originally Posted by jsp

probably showing my lack of knowlege but is there enough braking force? there seems to be one disc per axle? Is this enough to hold up a car like this? and I would be scared the diff might let go or final axle's let go and having the brakes on the input to the diff would be useless?

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have a look at the size of the pinions, diffs, alxes inside these things. One disc has its barking force multiplie by the diff ratio....but Yes I would also want a good working tranny brake.

not sure how well thought out the design is/was??? are the rear load sharring? is that 2 very short panhards attahced to the diff center, one each rear axle???

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Originally Posted by isuzurover

You need to spend more time in the US 4x4 scene instead of the muscle car scene.

Rockwells were fitted to these:
http://www.davidallenracing.com/DSC04230.jpg

They are very commonly fitted in the US. Practically all of the "mud bogger" guys use them.

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As I said, a military line, and non-current. I am more accustomed to dealing with the big brothers used on real trucks, not 2 1/2 ton diffs. Rockwell SUDD & SFDD. All these double reduction Rockwells are descended from the old original Timken design. I was not aware they were made in such a light rating.

Brian, why do you refer to them as double reduction?

the USA publication Fourwheeler did an article on this vehicle a few years ago. From memory I think it was an individuals build after seeing a Mopar Performance concept vehicle of similar design. I think it also competed in the magazines "Top Truck" competition as well. If you search 4x4 Trucks, SUVs & Off Road Vehicles | Truck, SUV & Offroad Vehicle Reviews - Four Wheeler Magazine you might be able to find more info.

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Originally Posted by uninformed

Brian, why do you refer to them as double reduction?

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He's probably familiar with Mack bogie drive which has the similar configuration with double reduction

http://www.macktrucks.com/assets/Mac...e_brochure.pdf

A couple of articles about T-Rex, including the original concept vehicle.
1995 Dodge Ram 2500 6x6 - Four Wheeler Magazine
1995 Dodge Ram 2500/6500 6x6 Concept Truck - Four Wheeler
April 2012 Trail's End: Chrysler T-Rex 6x6 - Four Wheeler Magazine
First Drive Dodge Ram T-Rex: Real-world 6x6 with A 26,000-Pound GCWR - Four Wheeler Magazine

in regards to isuzurovers statement about mud boggers using rockwells this is similar...

[ame=http://www.youtube.com/watch?v=Fh45CBDc5iw]Cummins jeep - YouTube[/ame]