|   | Graded road; Any 4x4 vehicle or higher clearance 2x4 vehicle with no other modifications | 
                            
                               |   | Road rarely maintained; 4x4 with no low bumpers.  Anti-sway bar disconnects recommended.  Minimum 30" tires and some off-road experience is helpful | 
                            
                                |   | Difficult terrain and road rarely maintained; 33" tires, Suspension lift,  Off-road driving experience, body armor and Rear locker recommended.  Stock vehicles will likely take damage | 
                            
                                |   | Very difficult terrain, road never maintained; 33" tires, sway-bar disconnects, Rear locker, and Rock sliders required. 35" tires, front locker, Full cage, and 4:1 transfer-case recommended. Chance of mechanical failure and body damage | 
                            
                                |   | Extremely difficult terrain with large obstacles and roll over potential; Full cage required, 37" tires strongly recommended. Good chance of mechanical failure and strong chance of body damage |