This is my list:
Tool box: selection of sockets, spanners and screwdrivers etc
Hacksaw
Folding saw, bow saw
Hammer
Swiss Army knife
Selection of nuts, bolts, washers, screws, bulbs, fuses, etc
Roll of duck tape
Heavy duty zip tie wraps
Superglue
Torch
Head torch
LED inspection lamp
Fluids: brake, oil, water, PSF
5ltrs of diesel
wd40
Tyre weld
Tyre inflator
LR bottle jack
Wheel chocks
Jump leads
Spare wheel!!
Waffle Boards x 2
Hi-lift jack and base
Hi-Lift winching chain fitted with chain hooks both ends
D/Bow Shackles (various strengths/sizes)
Tree strops
Bridle rope
Tow rope
Chains
2 snatch blocks
Kinetic rope
Bungie cords
Folding spade
Ratchet straps
Tirfor
Water-proof jacket
Wellies
Tarpaulin
Maps
First aid kit
Fire extinguisher
CB radio
Charged mobile and a car charger
Satnav
Enough food, coffee, tea, water, soup etc to feed a small army
Brian