4WD and AWD Systems Explained for Current FCA US Vehicles - autoevolution

From the 2015 Chrysler 200 mid-size sedan to the 2015 Jeep Wrangler off-road all-star, Fiat-Chrysler Automobiles' North American arm is currently employing lots of 4WD and all-wheel drive drivelines. Starting with the 2015 Jeep Wrangler, this model benefits from a system that employes live axles and electronic lockers for a lot of capability off the beaten path. A Dana 30 front axle and a Dana 44 rear axle are employed by the Sport and Sahara models. Additionally, the Command-Trac NV241 part-time two-speed transfer case features a 2. 72:1 low-range gear ratio, while the optional Trac-Lok limited-slip rear diff is there to provide extra torque and grip when the going gets very rough. The 2015 Jeep Wrangler Rubicon, on the other hand, gets two heavy-duty Dana 44 axles and the Rock-Trac NV241 two-speed transfer case with a 4. 0:1 low-range gear ratio. The Rubicon is also equipped with electric front and rear locking diffs, as well as a disconnecting front sway bar for unrivaled off-road capability. In comparison to the Wrangler, the Jeep Grand Cherokee can be had with three full-time 4x4 systems, all of them RWD-based:. Source: www.autoevolution.com