I think I carry to much stuff ,but if I don 't need it ,it might get some one else out of trouble .I have containers 1 with nuts & bolts ,1 with washers/cotter pins /hose clamps/electrical terminals.
Tool box ,screw driver case ,tool box with electrical wire ,gas soldering iron plus 240v one, 2x socket sets 1small 1large 1 tackle box filled with duc ,electrical ,magic ,cloth tapes ,cable ties . 2 sets camper trailer bearings ,1set spare spring shackles ,bearing grease ,grease gun , then the basics oil ,filters ,fuel filters, air filters ,hoses ,belts , and all this just off to top of my head now I've got a head ache better get a beer