Hi Rob
Took me awhile to find the company that made my Floor Jack because it was made for NAPA and they now longer carry it. But after some looking I think it was actual is a HeinWerner Automotive Jack. The closest thing to it visually and dimensionally is
Model HW93642 which is a two ton. But they also have a 3 Ton version
Model HW93652
This one matches the dimensions of what I have, doesn't take up a lot of floor space and has done the job for me for more than 10 years.
Even with the 3 ton rated you will be picking the truck up a corner at a time and if you try and pickup the right rear to put a jack stand out under end of the axle you have to position the jack under the pumpkin and the jack tries to lift the entire tail of the vehicle (my 2 ton version is not happy doing this) but strangely if you pick up the left rear first and put that on a jack stand it is happy to pick up the right side.
Still hoping to hear/see what other people are using.
Cheers Phil
Just checked these are sold in Canada