Tandem vs Spread Axles the Pros and Cons

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A spread axle trailer can carry 40,000 lbs on the spread axles allowing for more leeway in placing a heavier load. The spread of the two axles is 10&#;2&#; counting them as two separate axles that can each carry 20k lbs. This gives you a legal limit of 86k lbs of all axles. Of course you still have the 80k lbs gross limit, so this gives you a larger margin of error when hauling heavier loads. They are more difficult to back up and are rougher on tires due to the &#;scrub&#; of making turns. But this can be offset using the dump on the rear axle. They are a smoother ride in more situations but can be more difficult to maneuver on some roads. California requires that trailers over 48&#; long have a kingpin to center of rear axle of 41&#; and this can be difficult for spread axle trailers. The rear axle would have to be able to be slid forward to the 41&#; length to be legal. Manitoba does not allow spread axle trailers.

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