I'm biased- In a few weeks I'll be the US importer for Draper Tools- mostly to bring in their exhaust jack.
I wouldn't carry one on expedition instead of a mechanical jack, but in addition to.
In certain conditions like soft sand they are really great. You definitely have to protect it from sharp edges, but that isn't hard to do. Some jack come with protective pads, otherwise use a floor mat. My easy lift had plenty of scrapes and gouges in it but still held- the use pretty tough material. The number 2 precaution is be sure your exhaust doesn't have any leaks. Easy lift sells a compressor adapter, which is a good backup. We plan to make one for the Draper by Autumn.
The fuel tank is probably never a good jacking point. My old series 3 was so rusty a standard jack would punch holes in the frame, but if I used the airbag it would spread the load and lift OK.
Is there another site that has a photo or further details on the hand pumped jack? They only have a breif description that I can find.
-Ed
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