What is the difference between Command Trac and Rock-Trac?

Rock-Trac is similar to Command-Trac but uses the New Venture Gear NV241OR and adds locking differentials and 4:1 low gear ratio. In 2007 an electric front sway bar disconnect was added and the locking differentials switched from air-actuation to electric actuation.

What is Rock-Trac 4×4 system?

The Rock-Trac® 4×4 system comes standard on the mighty Rubicon model. The Rock-Trac 4×4 System gives you more control and more torque, offering superior off-road performance with a 4:1 low-gear ratio that lets you crawl at a lower speed with a greater increase in torque at the wheels.

Is Command Trac limited slip?

In the Wrangler, the Command-Trac system is based on a Dana 30 solid front axle, a choice of automatic or manual transmission, an NV231 (formerly NP231) transfer case, and a Dana 35 rear axle (with a Dana 44 optional over the years). Also optional for the rear axle is a Trac-Loc, which is a limited slip differential.

What does “part time” mean in 4WD?

Part-time 4WD is a vehicular system that allows the driver to turn on the 4WD only when needed . On regular driving surfaces without the 4WD engaged, it works just like a rear-driven 2WD vehicle. One of the big benefits of part-time 4WD vehicles is increased fuel economy.

What is the Jeep Command Trac system?

More commonly, Command-Trac is used to refer to the NP/NV-231 or NP-207 transfer cases introduced along with the Jeep Cherokee (XJ) in 1984. The system offers a chain-driven, aluminum, “shift-on-the-fly” transfer case. The “shift-on-the-fly” feature provides manual ease and assist while engaging 4WD.

What is a Quadra-Trac II 4WD system?

Quadra-Trac II is the standard four-wheel-drive system on the 2021 Jeep Grand Cherokee L Overland. Jeep’s top-of-the-line Quadra-Drive II four-wheel-drive system uses the same NV245 transfer case as the Quadra-Trac II setup and adds electronically operated limited-slip differentials to both front and rear axles.

What is part time 4WD?

Part Time 4 Wheel Drive (Part Time 4WD) – This refers to a four-wheel drive system that operates on-demand and drives all 4 wheels by locking the front and rear axles together via a shift lever. It usually includes 2 speed ranges (Hi and Lo).