Interestingly, this article completely leaves out soda (aka pop aka coke) pallets. All of the major soft drink bottlers use about the same size and shape pallet, and it's much smaller than the traditional whitewood pallet. Often, they'll put their pallet onto a square pallet, then that one a whitewood pallet, when they deliver to grocery stores.

Pepsi, Coke, and other soft drink and beer distribution companies even have their own, smaller, powered pallet jacks. The powered pallet jacks that grocery and other retail stores use are usually too big for these smaller pallets.

These companies have been slowly moving to plastic pallets over the past decade, and wooden pallets of those dimensions are hard to find today. The plastic pallets offer some level of 4-way access as well.

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Edit: I had forgotten about these full-size plastic pallets. They are so much cleaner and easier to use. Even new whitewood pallets leave behind a cloud of splinters and wood dust. These leave behind some shipping dust as there are no cracks for dust to fall through. They stack more securely and don't get heavier when wet like wooden pallets. And you can stack about twice as many in the same space.

http://www.foodlogistics.com/article/11442316/smaller-faster...