I'd imagine traverse would be slow - it's a heavy damn turret after all so the gearing would have to be built to match.
Elevation on the other hand might be a bit easier if the weapons are balanced on the pivot point. Of course being a military vehicle, it's not exactly made with crew comfort in mind.... 
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If it moves, shoot it, if not push it, if it still doesn't move, use explosives.
Nothing happens in isolation - it's called "the butterfly effect"
Mors ante pudorem
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