:ö: i'll see if i could get a clear pictures of the parts you're asking
.. but as for the suspension, the rock buggy uses the same chassis set-up as my 1/32 bruiser, 1/35 MAN 5t and the 1/35 UNIMOG... i just shortened it as short as i can make it to make it to 1/35 scale of a rock crawler... i think i have an underside view of my UNIMOG posted here
as for the tranny, i use the same set-up as my 1/87 truck, it's just that i use a bigger gear, and lower gear ratio, so i could use a pinion and bevel gear on the axles instead of worm gear
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-æ