4x4 Basics

From paved roads to the ones less travelled, these 4x4 systems arm you with advanced traction and handling no matter where adventure takes you. Here you'll learn what it means to have legendary Jeep® capability. 

The information on this page is not model or year specific. Please refer to your owner's manual for information pertaining to your specific Jeep vehicle. 

Rock-Trac 4x4

The Rock-Trac® heavy-duty part-time 4x4 system features Brake Lock Differential for superior capability in a wide range of conditions and obstacles like steep hills and large rocks. For more extreme situations, the Tru-Lok® electronically locking differential answers the call. 

The 4:1 low-gear ratio gives you the torque to crawl over the toughest obstacles with a consistent 0.8 km/h speed for greater control. It also features an electronic front sway bar disconnect for legendary Jeep® capability that dominates the rough terrain in Canada. 

Standard on Wrangler Rubicon® and Wrangler Unlimited Rubicon.

When to use

All road surfaces, including wet or snow-covered pavement, sand or gravel.
Jeep 4x4 - Rock-Trac 4WD


Jeep 4x4 - Command-Trac 4WD

Command-Trac 4x4

Thanks to a proven shift-on-the-fly system, rock climbing 2.72:1 low range and NV241 GII transfer case, the Command-TracTM 4x4 system provides serious confidence whether off-roading or in slippery conditions. 

Torque is split up to 50/50 front and rear and neutral is provided for flat towing. For added convenience and adaptability, the system can be shifted from 2WD to 4WD HI at speeds of up to 88 km/h (57 mph). 

Standard on Wrangler Sport, Wrangler Sport S, Wrangler Willys Wheeler, Wrangler Unlimited Willys Wheeler, Wrangler Sahara, Wrangler Unlimited Sport S and Wrangler Unlimited Sahara.

When to use

All road surfaces, including wet or snow-covered pavement, sand or gravel.


Quadra-Drive II 4x4

Equally capable on the road and off of it, the full-time Quadra-Drive II® 4x4 system is ready for all conditions with a rear Electronic Limited-Slip Differential and 2.72:1 low-range gear ratio. 

It works alongside the standard Selec-Terrain® Traction Management System with settings for Sport (on the switch bank), Auto, Snow, Sand, Mud and Rock. This allows you to customize the Grand Cherokee's world-class capability. 

Available on Grand Cherokee Limited, Grand Cherokee Overland® and Grand Cherokee Summit®

When to use

All road surfaces, including wet or snow-covered pavement, sand or gravel.


Quadra-Trac I® Jeep 4WD system

Quadra-Trac I 4x4

For those looking for full-time, all-weather capability that adjusts itself automatically to the conditions, the Quadra-Trac I® 4x4 system is for you. It senses change in driving conditions and adapts with no driver input needed. 

Power can be split up to 48% front and 52% rear to maximize traction. It also combines with the standard Brake Lock Differential and 4-Wheel-Brake Traction Control System for confidence to tackle a wide range of surfaces and weather conditions. 

Standard on Grand Cherokee Laredo.

When to use

All road surfaces, including wet or snow-covered pavement, sand or gravel.


Quadra-Trac II 4x4

The active, full-time Quadra-Trac II® 4x4 system uses an advanced 2-speed transfer case. When tire slippage is detected, it can send as much as 100% of the available torque instantly to the axle with the most traction. 

A 2.72:1 low range provides extra capability for more extreme off-road events, and neutral is included for flat towing. The Selec-Terrain® Traction Management System lets you customize your 4x4 performance with settings for Sport, Snow, Sand/Mud and Rock, as well as Auto for every day driving. 

Standard on Grand Cherokee Limited, Grand Cherokee Overland® and Grand Cherokee Summit®

Available on Grand Cherokee Laredo. 

When to use

Virtually any driving situation.


Quadra-Trac® SRT full-time 4 wheel drive

Quadra-Trac SRT

The Quadra-Trac® SRT® Active on-demand 4x4 system features the strongest transfer case ever designed by the Jeep® brand to handle the massive power of the mighty 6.4L HEMI® SRT V8. It features a mechanical "wet" clutch and a rear Electronic Limited-Slip Differential that allows 100% of the torque to be sent to just one rear wheel. 

The included Selec-TrackTM system provides 5 settings for Auto, Snow, Tow, Sport and Track. Each mode optimizes the distribution of power to the front and rear wheels for maximum performance. 

Standard on Grand Cherokee SRT.

When to use

Virtually any driving situation.


Freedom Drive I 4x4

The Freedom Drive I® 4x4 system is extremely versatile in all conditions. When wheel slip is detected, an electronically controlled coupling in the rear differential instantly sends torque to the wheel with the most traction. To save fuel, the system sends virtually no power to the rear axle when 4x4 traction isn't needed, but instantly engages the rear wheels when conditions call for it. 

A shift-on-the-fly 4WD LOCK mode is also there for more extreme off-roading. It electronically locks the front and rear axles for added low speed control up to 56 km/h (35 mph).

Standard on Patriot 4x4 and Compass 4x4.

When to use

All road surfaces, including wet or snow-covered pavement, sand or gravel.
Freedom Drive I®  4 wheel drive system


Freedom Drive II® Off-road Group

Freedom Drive II 4x4

Take on Mother Nature and her untamed terrain with the Trail Rated® Freedom Drive II® Off-Road Group. This system uses an electronic control module to determine how much torque to transfer to the rear wheels for exceptional capability. 

It comes with a CVT2 transmission and 4WD LOCK mode with 19:1 crawl ratio to handle steep grades and obstacles like boulders and water fording2. In other words, it's designed to give you confidence on every adventure.  

Available on Patriot Sport 4x4 and North Edition 4x4 as well as Compass Sport 4x4 models.

When to use

All road surfaces, including wet or snow-covered pavement, sand or gravel.


Active Drive I

Get confidence in all conditions with the full-time Jeep® Active Drive I system. From slippery roads to rock-covered paths, sophisticated sensors actively monitor for wheel slip and automatically apply extra torque where needed. 

A fully disconnecting rear axle improves fuel economy by only engaging 4x4 when full traction is needed, while the Selec-Terrain® Traction Management System lets you customize the performance with settings for Auto, Snow, Sport and Sand/Mud. 

Standard on Cherokee Sport, Cherokee North and Cherokee Limited 4x4 models.

When to use

All road surfaces, including wet or snow-covered pavement, sand or gravel.


jeep 4x4basics

Active Drive II

The full-time Jeep® Active Drive II system adds a 4WD LOW mode for added traction when off-roading and includes Neutral for flat towing. A super capable 56:1 crawl ratio provides more controlled throttle response with the 2.4L Tigershark® MultiAir® I-4. The 3.2L PentastarTM VVT V6 gets a 47.8:1 crawl ratio. 

This system works alongside the Selec-Terrain® Traction Management System with settings for Auto, Snow, Sport and Sand/Mud. A 2-speed Power Transfer Unit manages torque distribution and automatically disconnects the rear axle when not needed to improve fuel economy. 

Available on Cherokee North and Cherokee Limited 4x4 models.

When to use

All road surfaces, including wet or snow-covered pavement, sand or gravel.


Active Drive Lock

The Jeep® Active Drive Lock system adds a mechanical locking rear differential and Trail Rated® capability to all the features of Active Drive II. This allows for superior off-road performance whether climbing over rocks or tackling traction-limited surfaces. 

A 56:1 crawl ratio provides increased throttle control, while technologies like Hill Descent Control and Selec-SpeedTM Control further boost overall capability. You also get an additional Rock mode with the Selec-Terrain® Traction Management System, which automatically locks the rear differential. 

Standard on Cherokee Trailhawk®.

When to use

All road surfaces, including wet or snow-covered pavement, sand or gravel.


jeep 4x4basics

Active Drive

Jeep® Active Drive thrives in all conditions and features a Class-Exclusive rear axle disconnect43 that saves fuel by only powering the front wheels when 4x4 traction isn't needed. 

Advanced sensors constantly monitor for wheel slip and send torque to the wheels with the most traction to keep you in control. Selec-Terrain® Traction Management System comes standard and includes settings for Auto, Snow, Sand and Mud. 

Available on Renegade Sport, Renegade North and Renegade Limited.

When to use

All road surfaces, including wet or snow-covered pavement, sand or gravel.


Active Drive Low

This system adds a low-range mode and 20:1 crawl ratio to all the features of Jeep® Active Drive to give the Renegade Trailhawk® Best-in-Class 4x4 capability43. The Selec-Terrain® Traction Management System also gets an exclusive Rock mode so you can take on the most extreme adventures. 

The 4WD LOW mode allows for superior low-speed traction for crawling over rocks, but is also extremely useful in situations like pulling a boat trailer out of a lake. Hill Descent Control is included for added capability. 

Standard on Renegade Trailhawk.

When to use

All road surfaces, including wet or snow-covered pavement, sand or gravel.