Re: 8x4 vs 8x8
You might get a little better floatation, with an extra steering axle, but honestly, it will still get stuck just about the same as any 6x4 truck. An extra non-driven steer axle is extra rolling resistance that the rear has to push. I'd go 6x6, or 8x8. Either would be better then an 8x4.
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Nathan
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