About 20 years ago I got a Flambeau 22060 tackle box. It has about a zillion small compartments. I use this at home to keep all my small parts in. To go to the field, I have a smaller two-layer compartmented box that I got at Home Depot. It probably only has 20 compartments. Lid locks down to keep the whole thing together.

For a field box, I got an assembled tote from HobbyPeople and it has a removeable unit that keeps the starter, power panel and battery. You detach it from the main box and the whole thing weighs probably 20 lbs with fuel, battery, tools, etc.

I have a AstroVan, so I fold down the seats and put the fuse(s) there, put the wings in the seat belts along the sides, and the rest fits easily into the rear with a table, two chairs, misc coolers, and wife's stuff.

Takes about 5 trips to the tables to bring it all out though