What transfer case is in a Jeep YJ?
Since 1988, the NP231 has been the “Command Trac” transfer case used in the XJ Cherokee, MJ Comanche, and YJ Wrangler.
What is a 4 to 1 transfer case?
By shifting into low range, you are changing from the 1:1 ratio to a much lower (numerically higher) 4:1. This means for every four times the transmission output shaft spins, the transfer case output spins only once.
What is a NP231 transfer case?
The NP231 features two ranges; a low range gear that is a respectable 2.72-to-1 (the lowest of all the Jeep transfer cases with the exception of the NP241OR) and a direct-drive in high range. It features three modes; two-wheel-drive, four-wheel-drive and neutral – for a factory combination of 2H, 4H, N, 4L.
What transfer case is in a 1994 YJ?
Since 1988, the NP231 has been the Command Trac transfer case used in Cherokees (XJ), Comanches (MJ), and Wranglers (YJ).
How do you put oil in an Atlas transfer case?
How to Install
- Fill with the recommended oil and amount through the upper fitting of the site tube.
- Re-secure the upper fitting of the site tube to the Atlas.
- Mark the oil level in the site tube with a small zip tie so you may see the correct oil level at the proper clocking/ rotation of installation in your vehicle.
How many spline is a NP231?
21 spline
The 231 comes in 21 spline and 23 spline versions with long, medium (rare) and short variations. The long shafts protrude 2.1″ from the front mounting face of the transfer case.
What’s the best transfer case for a jeep?
Take the guess work out of repairing a damaged transfer case all togther. If you’re looking to upgrade your existing transfer case, check out an Atlas II transfer case from Advance Adapters. Offering extreme low range and independent control of the front and rear axles, the Atlas II is the ultimate transfer case for your Jeep.
Is there a 2 speed Atlas transfer case?
The 2 speed Atlas transfer case now has 6 different low gearing options to suit the needs of your driving habits and your drivetrain components. Along with the these different Atlas 2 speed ratio options, we are now producing our new 4 speed Atlas transfer case.
How many gearing options does a 2 speed Atlas have?
Since there are numerous engine, transmission, and axle combinations, the need for various transfer case gearing options has increased. The 2 speed Atlas transfer case now has 6 different low gearing options to suit the needs of your driving habits and your drivetrain components.
What kind of tailhousing does an Atlas use?
The Atlas Standard 32 Spline tailhousing is designed to fit a stock Jeep (1982 & up) mechanical driven speedometer housing. These housings drive a cable that operates the speedometer. This speedometer housing is from a 1983 to 1986 Jeep CJ.