What kind of transfer case does a Jeep Wrangler use?
The new TJ Wrangler continues to use the NP231, but the NP231 used in the TJ has a different tail housing that allows the removal of the drive shaft with out losing transfer case fluid. Both versions of the NP231 used in the Wranglers have an over all length that is long for a short wheel base vehicle.
How can I identify the transfer case input?
The input shafts of the transfer case can be changed if necessary, but this would require that the transfer case be completely disassembled. The easiest way to identify the transfer case input is by identifying the stock transmission that Jeep used. The 21 and 23 splined output shafts vary on different transmission models.
What kind of case does a jeep NP200 have?
The NP200 was used in the Military WC 61-63. It is a 6×6 Tcase with 3 Outputshafts and a drumbrake on the Straight rear output. It is gear driven and bullet proof. “The NP 207 is one of the weaker Jeep transfer cases, but can be upgraded. The NP 207 has an aluminum case and chain driven planetary reduction.
When was the first process transfer case made?
There are numerous styles of New Process transfer cases, and you must be very careful in making your identification of such. The first units were the NP207s, and they were used in the early model Cherokee Jeeps. The full size Jeep trucks and Grand Wagoneers used the NP208. Jeep soon added the NP231 which replaced the Model 207 in 1987.
When did the Jeep Wrangler transfer case come out?
Modern transfer case models: Jeep has produced a large variety of transfer cases throughout the years, but in 2003 the NV241OR or Rock-Trac was released and provided a significant leap in transfer case gearing, allowing Wranglers to run a 4:1 low-range gear ratio from the factory and a tremendous amount of torque while out on the trail.
How to identify the transfer case input on a jeep?
The easiest way to identify the transfer case input is by identifying the stock transmission that Jeep used. The 21 and 23 splined output shafts vary on different transmission models.
What kind of transfer case does JK Rubicon Wrangler use?
Teraflex 241-OR 2 Low Kit: is specifically designed for 2007 – 2017 JK Rubicon Wranglers and provides an intermediate shifting level between Hi and Lo. This could be a crucial option during tight hairpin turn while on the trail that could lead to binding and possible damage if enough torque is applied.
What are the benefits of a wrangler transfer case?
Having the option to switch from 2wd to 4wd and really dig into a trail is one of the great benefits of owning a Wrangler. When upgrading your wrock crawler it is important to choose a build that is transfer case friendly so that you can reap the benefits of having the ultimate rock crawler.
What kind of lubricant is in a Jeep transfer case?
Drive Positions and Shift Controls: 2H, 4H, 4L and Neutral. Ranges selected via floor mounted shift lever. 4H and 4L ranges are undifferentiated. Case Configuration: One piece cast iron with aluminum front/rear bearing caps. Lubricant Capacity and Type: 4 pints (1.9 liters) SAE 85W-90 gear lubricant API grade GL-5.
Can a jeep transmission be transferred to a Dodge transmission?
You can typically bolt a Jeep unit to a Dodge transmission and vice versa, however Chevrolet units are NOT cross compatible: While GM uses the same 6 bolt patter, they have it rotate approximately 90 degrees from that used by jeep dodge.
What was the first Jeep transfer case to use?
The Quadra-Trac used a passenger side front and rear output. The Quadra-Trac transfer case was the first Jeep transfer case to use an aluminum case and chain drive. It was also the first Jeep transfer case to use a vacuum selector switch instead of a direct linkage lever.
What kind of Jeep has a Dana 20 transfer case?
Dana 20 transfer cases are very strong, and there are numerous aftermarket parts available to increase its strength. Dana 20 transfer cases were found in the following Jeep vehicles: 1962-1979 full sized Jeep trucks, 1967-1973 Commandos, and 1972-1979 CJ-5, CJ-6 and CJ-7.
Drive Positions and Shift Controls: 2H, 4H, 4L and Neutral. Ranges selected via floor mounted shift lever. 4H and 4L ranges are undifferentiated. Case Configuration: One piece cast iron with aluminum front/rear bearing caps. Lubricant Capacity and Type: 4 pints (1.9 liters) SAE 85W-90 gear lubricant API grade GL-5.
When did Jeep start using the Quadra Trac Transmission?
Jeep used the Quadra-Trac in lieu of the Dana 20 transfer case behind Jeeps that used the TH 400 automatic transmission from 1973 to 1979 in CJ’s, Jeep Trucks and Cherokees. The Quadra-Trac used a passenger side front and rear output.
Which is short shaft kit for Jeep NP231?
Short shaft kits cost a bit more but allow you to run a longer driveshaft to decrease driveline vibes, and therefore allowing you to have more lift. There is also a 4:1 low range reduction and a “2 lo” (allows you to drive in 2wd but in your low range setting) kit for the NP231.
When was the NP 207 used in Jeep Wrangler?
Thankfully the NP 207 was installed behind some of the weakest Jeep power trains every used. It featured a 2.60:1 low range and a straight through design high range, but featured a driver side front output. It was used in one year of the Jeep YJ Wrangler in 1987, and in the early XJ Cherokee ‘s from 1984-1987.”
Is there a part time transfer case for the Jeep Grand Cherokee?
The Jeep Grand Cherokee/Commander line no longer offers a part-time transfer case option. The reason behind this was its poor sales along with an improved Selec-Trac.
How does the 4 wheel drive system work in a Jeep Grand Cherokee?
In this way, the transfer case works almost identically to the NV247 transfer case used in the Quadra-Trac II system in 1999 to 2004 WJ Jeep Grand Cherokees. In 4WD Low mode, the clutch pack is locked and power flows through a 2.72:1 planetary gear set for higher torque at lower speeds.
What kind of transmission does a Jeep Grand Cherokee have?
There are reports of a modified version known as NP-231J HD which was supposedly (SP) a “heavy duty” version for the Jeep Grand Cherokee with V8 engines. The NP/NV-231 case is a chain-driven unit that takes 21- or 23-spline input shafts. The 23-spline was for the AX-15 transmission, and the 21-spline was used for the AX-5 and BA 10/5 transmissions.
When did Jeep start using the NP228 transfer case?
The NP228/229 transfer cases were available in the full-size Jeeps from 1983 to 1991. The NP228 was also available in the XJ Cherokee and Wagoneers and the MJ Comanche pickups from 1984 until replaced by the NP242 in 1987.
How long does it take to refill a wrangler transfer case?
Overall the process is fairly simply, simply drain the fluid and refill with 2-quarts of Mopar ATF 4 fluid, overall the process should take less than an hour to complete and ensure proper lubrication and protection of the transfer case gears.
What transfer case is in my Jeep?
Housing. The housing on the transfer case in your Jeep Cherokee is made of magnesium, which is a soft metal compound. If the transfer case hits something hard like a rock on the trail, the outer shell can become damaged easily. A crack or hole in the casing will surely result in a major fluid leak and put the Jeep out of commission.
What is a transfer case in a jeep?
The transfer case is a 4×4 drivetrain component that’s mounted behind the transmission. Its job is to receive engine torque from the transmission and then distribute that torque to the axles by way of driveshafts . The transfer case sends all the torque to the rear axle in 2WD, but splits the torque between the front and rear in 4WD.
What does Jeep transfer case do?
As discussed throughout this information guide, the Jeep transfer case serves an important purpose and allows the Wrangler to transform from a rear-wheel 2WD vehicle into a 4WD powerhouse through the simple movement of a lever.