[archy]

it had split tracks too, two tracks on each side...

each track had a sprocket and ran on three road wheels so it was a kind of four track drive

I always thought two half-tracks end-to-end on either side might be a workable option, with a drive sprocket for each of the four sets of tracks.

Run into a mine and lose the front half of one side's drive traction, you might still be able to reverse out of a place you'd likely wish you hadn't driven into.

[Chode]

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