West coast is a common spot for a 3 axle tractor. Weight and PSI restrictions are both factors. In reality, it doesn’t change how much they can carry, as you can get 50k+ lb axles on the driver. Payload will still be the same.
One other sweet spot of having three axles is setting up for two interlocked drive axles with chains for winter. They aren’t fast, but they can climb a wet tree when they’re rigged that way.
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u/witty-repartay 26d ago
West coast is a common spot for a 3 axle tractor. Weight and PSI restrictions are both factors. In reality, it doesn’t change how much they can carry, as you can get 50k+ lb axles on the driver. Payload will still be the same.
One other sweet spot of having three axles is setting up for two interlocked drive axles with chains for winter. They aren’t fast, but they can climb a wet tree when they’re rigged that way.