[Richard]

Most are not going to bother with tools to remove a wheel. They will rely on a road side service.

Fuel filters for engine, generator, and Aquahot.
Spare belts for engine.
Height control valves
Bucket of DOT compression fittings
1/4, 3/8, and 1/2 DOT brake line.
Water filters
Pex clamps and pliers
Bucket of hose clamps
Solenoid and valve for hydraulic fan control
2 20 ton bottle jacks
8 x 8 and 4 x 4 wood cribbing
Assortment of crimp on electrical fittings
Assortment of electrical wire.
Spare lug nuts
Spare six pack valves and solenoids
Sequencing valves for Microphor toilets

Voltmeter with clamp on ammeter for both AC and DC

Full complement of SAE and Metric wrenches and sockets
Pry bars
BIG channel locks and adjustable wrenches
Strap wrench for filters
Impact driver
Drill and bits
Assortment box of SS metal screws

And cause I am a wee bit of a nut case
AC gauges and refrigerant
MAPP Torch
Lunchbox inverter welder
Air / Hydraulic 20 ton bottle jack