Small floor jack& handle (A Hi-Lift is great, but if you have a lot of suspension travel, you'll be jacking the truck forever to get the wheel off the ground. The higher you go, the more you have to worry about it leaning over. It's a lot quicker to throw a small floor jack under the axle.)

4-way lug wrench

(2) spare hubs for the Dana 35

Breaker bar and spindle nut socket

Hammer with a rubber and plastic head (for knocking the spindle loose if I need to replace a front axle shaft)

Spare left and right front axle shaft

Black tool bag containing SAE and metric wrenches and sockets (need 15mm to remove the spindles), screw drivers, pliers, vice grips, tire repair (plugs) kit, and electrical tool kit (multimeter, stripper/crimper, wire, connectors, tape, fuses, and spare toggle switch)

Large and small tow strap

(2) D-rings

(2) snatch blocks

Winch remote

12-volt hand-held spotlight with long cord for working outside the truck

Jump-pack (sometimes)

Power steering fluid

Brake fluid (if you break a line or wheel cylinder, you can crimp it closed with vise grips and add more fluid)

Engine oil

Transmission fluid

Gallon of water

Shop towels

First aid kit

Toilet paper

Fire extinguisher (not shown - mounted in the cab)

Full size spare tire

Food and drinks to last the day on the trail

Change of dry clothes

Trash bag

GPS

CB radio to stay in touch with the group

My truck has tow hooks mounted to the front and rear