Air Chisels?

I've never used one,  but want to try one.
In my head they work like a hammer drill, just without any rotation.
I am keen to try using one for decontructing pallets.
My current method uses a sawzall, and it works, well but I go through blades pretty quickly.
I also think an air chisel might be faster.

If you have used one,  please weigh in and tell me what you think of using one to dismantle pallets.

I use a Cooper Tools special gadget for that job. Its very fast.
\Its about 1M lo0ng with an adjustable head.

Its now called a "Crescent DKB446X - 44" Indexing Decking Removal Tool"

Are you trying to dismantle the pallets to save the wood?  I think the air chisel would either not be powerful enough or would damage the wood too much.  But I haven't used one in a while so I'm hoping someone better can chime in.

My normal ways are either a long metal cutting sawzall blade (if the pallets are a bit loose and I can just zip through the nails) or a big prybar.  My pallet store generally has unusual pallets so I can't use one standard approach because they keep changing the design.  And they're beefy bastards (80 lb or so of hardwood) so my approach may not match your situation.

I like that probably, it is a name brand and it's adjustable.
I think it has a lifetime warranty.
That might be worth having no matter what.

The reason I'm considering an air hammer is seeing how the are used with the automotive tool, the pickle fork.
These are used to separate suspension parts.
The idea of wedging a chisle in between parts of a pallet and through the nails is very appealing.

I might be better off with a battery tool in any case.
I really only buy air tools because of price point.

I do not like using an air chisel for very long, it is extremely jarring on the arms and ears. There are times, like automotive ball joints, that it is absolutely the fastest tool. But not used for more than a few seconds. If you are using it for any length of time you will want to go way up the price curve to something with shock management.

There are a bunch of ways of going about disassembling pallets that have their own benefits and drawbacks. If you just need the slats and aren't worried about pulling the nails from the stringers then punching the nails through the board usually helps avoid splitting the slat and it will come loose easily. I worked on a few different buildings where they didn't do the flashing on the roof correctly and we had to go in and tear the siding off to replace all of the OSB that got wet and moldy. We used an old nail gun and dry fired it into the nail heads to punch them through and once you got every nail the whole sheet would come right off. Not that I recommend ruining a good nail gun, but you could use an air chisel or palm nailer with a punch to push the nails through instead of fighting with a chisel attachment and risk splitting a lot of the slats.

A cats paw/bear claw tool is also really handy. I've spent many a day pulling nails out of boards using one. They will mar up the surface, but it will help avoid splitting the slats so you get more usable wood. They are particularly useful on nails that didn't go in straight and got bent over where other methods may not work as well. Mine is a larger Vaughan brand with a soft grip that works great for framing nails, but you might want something smaller.

For smaller projects I have propped them up a bit with the board I want to remove unsupported facing down, used a chunk of 2x4 and whacked it with a hammer, but that could get quite tiring if you are doing more than a few pallets. I've seen quite a few contraptions on YouTube where people make a long pry bar of sorts so you don't have to bend over and wear out your knees and back. Izzy Swan makes all sorts of amazing contraptions and of course he has a DIY tool for this task that looks interesting and reuses the acme threaded rod from an old scissor jack: