I spotted this cargo truck while watching a video on Toyota's manufacturing plants in Japan. Look closely at the cab's wheels:
Incredible. I don't think I've ever seen a tractor-trailer with four-wheel steering. It not only makes sense for Japan, with its narrow streets, but would make backing the truck up in confined spaces a heckuva lot easier in any country. Not to mention the reduced turning radius.
The truck model is called the Profia, and it's made by Toyota subsidiary Hino.
I do wonder if we'll ever see this in the 'States; I'd imagine anyone with a CDL who tries driving one of these would never want to go back.
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OK, not quite the same but we have steerable main landing gears on the Boeing 777. Turning radius is a tiny 156'.
In Germnay I do see occasionally see that format, but mainly on cranes, but what I see daily is rear axle steering. Basically all garbage trucks and a lot of buses have steerable 3rd axles
Check out the HEMTT. It has the same setup of double axle steering. And yes, with the standard automatic transmission they are quite nice and easy to drive; which makes sense as they're primarily used by the US Army with... lower "hiring" standards.