Vehicle modification

Although vehicle modification is not mandatory for overland expeditions, it is often recommended for vehicle practicality, safety and comfort:

The external list of modifications might include:
 * Long range fuel tanks
 * Watertank
 * Dual battery systems
 * Roof racks fitted with side awning, rooftop tent and jerry can fuel containers
 * External spare wheel bracket
 * External rollbar or rollcage
 * Bullbar and winch
 * Rear and front fitted diff lockers
 * Raised suspension for higher ground clearance
 * Raised air intake via a snorkel
 * Spotlights
 * Off-road tires and wheels.

The internal list of modifications might include:
 * Cupboards and shelving
 * Refrigerator
 * Stove/oven
 * Sink & faucet
 * Interior lighting
 * Rollbar
 * Digital media player
 * Water tank
 * Sleeping area
 * Safety box
 * Portable/fixed toilet