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48/52% front-to-rear. This mode can be used on dry pavement or slippery surfaces with only a small fuel mileage penalty compared to 2WD mode. In 4WD Hi Part-Time and 4WD Low, the center differential is mechanically locked, so these modes are for slippery surfaces only. Low range engages a 2.72:1 planetary gear ratio for increased torque and low speeds. Overall, this system functions very much like the NP228 transfer case above, just with all of the mode and range controls via a single, console-mounted shift lever. It was available in the 1987 to 2001 XJ Cherokee and
Wagoneer, the 1987 to 1992 MJ Comanche, the 1993 to 2004 ZJ and WJ Grand Cherokees, the 2002 to 2007 KJ Liberty, and the 1998 to 2000 Dodge Durango. It was replaced in the 2005 Grand Cherokee by the Quadra-Trac II system featuring the NV245 transfer case with 4WD Auto mode and in the 2008 KK Liberty by Selec-Trac II using the MP3022 transfer case.
885:
877:
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selection was still performed using a shift lever on the console. The NP228 differs from the NP229 by not having the viscous coupling in 4WD Hi mode, reverting to a simpler open center differential. Both transfer cases still lock the center differential in 4WD Lo mode. 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. Several companies have offered a dual shift lever conversion which replaces the vacuum switch and solenoid with a more reliable second console lever for 2WD-4WD mode selection.
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wheels are still slipping. There is no center differential, so on dry pavement the front and rear output shafts cannot be locked without causing driveline binding. The "N" or neutral mode is intended for towing the vehicle. In "4-Lo" mode, the input shaft drives through a 2.72:1 reduction planetary gear set and the front and rear axles are locked together through the clutch pack. This same NV247 transfer case is the foundation for the
1164:
839:
case has no center differential, so power can only be supplied to the front axle when the rear wheels begin to slip. 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.
1044:
1344:. The Patriot with FDII also features longer suspension travel (all 4x4, post 2011 models have the same suspension), skid plates, tow hooks, and a full-size spare tire. This enables the FDII-equipped Patriot to wear the "Trail Rated" badge from Jeep. Trail Rated Jeep vehicles are determined by meeting several requirements of off-road conditions including water fording, articulation, and other tests.
32:
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axles, heat buildup causes the viscous fluid inside the coupler to thicken, which progressively locks the center differential thus transferring power to the axle with more traction. In 4WD Low, the input torque is multiplied through a 2.72:1 planetary gearset. NP249 transfer cases used the viscous coupler to transfer power in both high and low ranges.
916:
clutch to distribute torque between the front and rear output shafts and 2) a vacuum-switch-operated differential lock. It offered only 4WD Hi modes in full-time (open) or part-time (locked) modes. The BW1339 added a 2.57:1 low range gearset to the BW1305, enabling 5 modes: 4WD Hi Locked, 4WD Hi Open, Neutral, 4WD Low Open, and 4WD Low Locked.
1473:
but denotes a greater possible crawl ratio. When in "4-Low" mode the front and rear axles are locked together and power is sent to all four-wheels through the power transfer unit although no low range gear reduction occurs. Active Drive low relies on shorter axle gear ratios while holding first gear
775:
used the NP119 transfer case in 1980, a strictly full-time all wheel drive model. From 1981 to 1988, a similar system was employed, dubbed "Select-Drive", which allowed the vehicle to switch from all wheel drive to 2WD using the NP129 model transfer case. The NP129 contained a viscous coupling around
614:
The
Command-Trac HD transfer case was used in 6-speed Liberty KJ's from 2005 to 2007. Although sometimes referred to as the "NV(NP)231HD," the transfer cases are actually the 241 series used in full-sized trucks from other makers (241D or 241C). The Jeep version is labelled "NV(NP)241J." This is not
583:
Command-Trac was first introduced using the NP208 transfer case in the full-size Jeeps (SJ series) in 1980. The drive modes are the same as with the Dana 18 and 20 transfer cases: 2Hi, 4HI PT, and 4LO PT. The 4WD modes are not for use on high-traction surfaces such as dry roads. The NP208 was used
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Selec-Terrain is a system designed to calibrate the vehicle to provide the best on-road and off-road performance; depending on which terrain mode is selected. The modes are selected by a dial located near the center console and have five settings: "Auto", "Snow", "Sport", "Sand/Mud" and "Rock". This
1079:
NV247 transfer case with the NV245 transfer case. This transfer case actually has a center differential, allowing both the front and rear axles to have power supplied to them without driveline binding, even on dry pavement. The torque distribution under normal driving conditions (no tire slippage)
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to provide smooth and efficient four-wheel drive operation on all surfaces. This system has 4WD All-Time, Neutral, and 4WD Low modes. In normal 4WD All-time mode, the center differential is open and distributes torque to both the front and rear axles. When a difference in speed occurs between the
1403:
Active Drive I is a full-time four-wheel drive system that requires no driver input. This system under normal conditions sends all available torque to the front wheels while monitoring the speed of the front and rear axles. If the system detects that the front axle is moving more quickly than the
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pump causes the clutch pack to progressively lock, transferring torque to the front axle until both axles are driven at the same speed. The apply pressure in the clutch pack bleeds off slowly, which progressively unlocks the clutch pack and biases torque output towards "rear only" unless the rear
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pump is connected between the front and rear output shafts and senses any speed difference between them. When the shafts are turning at different speeds (wheel slippage), the pump supplies oil under pressure to a wet clutch pack. The clutch pack applies progressive 0 to 100% locking between the
915:
1305 and 1339 gear cases. It was a chain-drive system introduced in 1973 on the full-sized Jeep line behind the AMC version of the Turbo-Hydramatic 400 automatic transmission. CJ7s also received the Quadra-Trac starting in 1976. The BW1305 included 1) a differential with a cone-type slip-limiting
838:
Selec-Trac II uses a console mounted switch to control the MP3022 transfer case. The switch controls the 4WD mode with options of 2WD - 4WD Auto - N - 4WD Low. The MP3022 transfer case uses an electronically controlled clutch pack to bias torque from 100% rear to 50/50% front/rear. The transfer
1448:
but adds a low gear range. When in "4-Low" mode the front and rear axles are locked together and power is sent to all four-wheels through a 2.92:1 gear reduction in the power transfer unit; providing a crawl ratio of 56:1 for four cylinder Jeep
Cherokees and a 47.8:1 crawl ratio for six-cylinder
970:
is used between the front and rear output shafts. A 2.61:1 low range was engaged in 4WD Lo mode. And in both '4H LK' (4WD Hi Locked) and '4L' modes the center differential is mechanically locked. The 'N' mode disengages the transfer case, transmission, and engine from the axles, thus enabling
965:
The Borg-Warner system was replaced with a "New
Process Gear" NP219-based system in 1980 The NP219 Quadra-Trac transfer case was available in full-size Jeep Cherokee, Wagoneer, and Grand Wagoneer from 1980 through 1982. It offered the following modes: 4H LK, 4H, N, and 4L. In 4H (full-time 4WD
779:
The NP242 Selec-Trac transfer case debuted alongside the Fuel-Injected 4.0L Inline-6 in the compact Jeep
Cherokee in 1987. The shifter has modes 2WD - 4WD Hi Part-Time - 4WD Hi Full-Time - N - 4WD Low. There is a center differential that is open in 4WD Hi Full-Time mode and distributes torque
767:
NP228 and NP229 transfer cases. These are very similar to the Quadra-Trac NP219 transfer case described in the next section below. The differences are 1) they added a 2WD mode for fuel savings and 2) the 2WD-to-4WD modes were controlled via a vacuum switch on the dashboard. The Hi-N-Lo range
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should only be driven in 4WD on low-traction surfaces due to the front and rear axles being locked together (no differential action in the transfer case). Driving in 4WD on dry pavement causes excessive tire and drivetrain wear. Four-wheel modes are most commonly used for wet/slick surfaces or
611:(ZJ) 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. Low range for this case was 2.72 and high range was 1.00.
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is that Quadra-Trac II uses the Brake
Traction Control System (BTCS) instead of electronically controlled differentials. When it senses a left-to-right speed differences between wheel hubs BTCS can apply each of the vehicle's brakes independently, similar to
1366:
For the
European Market there is a single version which combines elements of both U.S. versions. The European version is available with either a CVT gearbox or most commonly with a 6-speed manual gearbox and has two settings on the traction control and
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NV242 transfer case, as that system has only fully unlocked and fully locked settings and requires manual shifting between them. And finally, the NV245 has the 'N' and '4WD Low' modes which act in the same manner as in the NV247 transfer case above.
139:. These range from basic part-time systems that require the driver to move a control lever to send power to four wheels, to permanent four-wheel systems that monitor and sense traction needs at all four wheels automatically under all conditions.
1505:
but adds "rock" mode to the Selec-terrain system and locking rear differential for better traction when used off-road. This four-wheel drive system combined with tow hooks, skid plates, and unique front and rear fascias allows the
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is 48% front and 52% rear. There is also an electronically controlled variable lockup clutch pack that can apply progressive 0 to 100% locking across the center differential. This is the improvement over the
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NV249 transfer case. This added a mechanical differential lock to 4WD Low mode, making it much more durable for serious off-road use. The NV249-based Quadra-Trac system was replaced by the NV247-based
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systems to cater for off-road activity, U.S. FDII suspension travel and a full-size spare tire. Skid plates and tow hooks are options in the EU, but the hill descent control system is not available.
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to the front and rear axles to create a four-wheel drive system capable of not only directing torque to the axle with the better traction but to the individual wheel on an axle with better traction.
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featuring three modes of operation, "4-All Time", "N" or neutral, and "4-Lo". Two different transfer cases were used, the NV247 in 1999-2004 WJs and the NV245 in 2005-2010 WKs and 2006-2009 XKs.
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system was first offered in the 2011 Jeep Grand
Cherokee. It also comes standard on all 2014 Jeep Cherokees with four-wheel drive and all Jeep Grand Cherokees with a two-speed transfer case.
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NP219 transfer case and was produced from 1980 to 1982. From 1993 to 1995 the New Process NP249 transfer case carried the name. And from 1996 to 1998 the transfer case was manufactured by
615:
the NV241OR transfer case found in the Jeep Wrangler Rubicon, which uses a 4.0 low range and has a reinforced case. Dodge uses a 241DHD, which has a reinforced case but the 2.72 low range.
842:
The 2018 and newer JL Wrangler comes by default with Command-Trac, but its Sahara trim can be upgraded to Selec-Trac II, marketed as simply Selec-Trac, utilizing the MP3022 transfer case.
1328:
Freedom Drive II uses the same hardware as the FDI system but adds a lower axle gear ratio in conjunction with the CVT to simulate the benefits of a low-range transfer case, giving a
994:
In 1993 Jeep re-introduced Quadra-Trac, this time on the Jeep Grand Cherokee using the NP249 transfer case. Like the NP219, this transfer case utilizes a center differential with a
597:(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.
776:
an open differential for added traction in slippery conditions. The NP128 has also been found equipped in select model years, which does not feature a viscous coupling.
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For the 1999-2004 Jeep Grand Cherokees using the NV247 transfer case, in "4-All Time" mode torque is applied to only the rear wheels under normal driving conditions. A
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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.
49:
724:
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.
1128:
system, but eliminates the "4 Lo" and "N" or neutral modes. By excluding these modes it creates a system that requires no driver input. In 2005 Jeep added the
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system with a locking mode to set the front/rear torque split for especially slippery conditions in the Jeeps derived from the Chrysler/Mitsubishi
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overall gear ratio for off-road use. This function is an alternate program in the CVT and is not a transfer case function. FDII also adds a
96:
68:
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front and rear output shafts. For example, if the rear axle starts rotating at a significantly higher rate than the front axle, the
75:
1862:
115:
1941:
1203:
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82:
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flat-towing the Jeep behind another vehicle. In 1983, the NP219-based Quadra-Trac system was replaced by the NP228/229-based
633:
The terms "Command-Trac" and "Selec-Trac" were used in other Jeep lines and refer to different transfer cases in those lines.
1905:
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rear axle then the system will send power through the power transfer unit to the rear axle until the speeds are the same.
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19:
This article is about Jeep Four-Wheel drive systems by tradename. For the article on AMC and Jeep transfer cases, see
605:
There are reports of a modified version known as NP-231J HD which was supposedly (SP) a "heavy duty" version for the
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but uses a console mounted switch to control the MP1522 transfer case as opposed to a floor mounted lever.
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1433:
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in 2005 and starting in 2011 only a rear ELSD is offered, while the front has an open differential.
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in the ZF9HP transmission to achieve a crawl ratio of 20:1; similar in effect to Freedom Drive II.
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1097:, enabling Quadra-Trac II's open front and rear differentials to offer limited-slip capabilities.
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1286:. There are two versions of the basic Freedom Drive system for the US Market, called I and II.
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1275:
850:
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extreme weather conditions (rain, snow, etc.) (4H), towing (N), and off-road activities (4L).
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in that it included a center limited slip differential feature, in this case a clutch pack.
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The Jeep Quadra-Trac was differentiated from the open "New Process" Gear NP203 used by
1936:
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1419:
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983:
975:, adding a fuel-saving 2WD mode to the full- and part-time 4WD modes of Quadra-Trac.
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820:
809:(MJ) *note, 1986 models were available with Selec-Trac utilizing only the NP228/NP229
806:
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is used to refer to the NP/NV-231 or NP-207 transfer cases introduced along with the
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BW1339 transfer case and was produced from 1973 to 1979. The next version used the
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Cherokees. All Cherokees with this system have a raised ride height of one inch.
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lacked for "luxury" SUV's that did not require the more rugged part-time system.
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897:
764:
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Part-time system; transfer case locks front and rear axles together when engaged
31:
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name is used on a variety of full-time 4WD systems. The first version used the
1579:
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Quadra-Trac II was introduced in 1999 and it employs a two-speed chain-driven
972:
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Selec-Trac was first introduced in the full-size Jeeps (SJ) in 1983 using the
269:
4WD HI Locked (PT), 4WD HI Open (FT), N, 4WD LO Open (FT), 4WD LO Locked (PT)
136:
772:
16:
Overview of the various four-wheel drive systems Jeep uses on their vehicles
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Rear Tru-Lok functions as a limited-slip differential when not locked
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Freedom Drive I is a light duty full-time electronically controlled
1194:
NV247 transfer case mated to front and rear axles containing Jeep's
626:
had the convenience and comfort of "Full-Time" all wheel drive that
1171:
The Quadra-Drive system was introduced in 1999 and is based on the
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1601:
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1124:
Quadra-Trac I was introduced in 2004 and works similarly to the
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The major difference between the NV245-based Quadra-Trac II and
128:
416:
Electronic LSD (WK) /No LSD - Traction Control Only (WK2/WL)
25:
1227:
NV245 transfer case mated to front and rear axles containing
1812:
John, Full-size Jeep pages on wagoneers.com 25 February 2002
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with some minor improvements and it was renamed the NV249.
1047:
Quadra-Trac II selector in a 1999 Jeep Grand Cherokee (WG)
880:
Quadra-Trac transfer case in a 1993 Jeep Grand Cherokee ZJ
1906:"2014 Jeep Cherokee flaunts its new contemporary curves"
1167:
Quadra-Drive selector in a 1999 Jeep Grand Cherokee (WJ)
1756:"Selec-Trac II (MP 3022) and CommandTrac II (MP 1522)"
1023:
system for the 1999 to 2004 Jeep Grand Cherokee (WJ).
888:
Quadra-Trac selector in a 1993 Jeep Grand Cherokee ZJ
1510:
models to obtain the "Trail Rated" badge from Jeep.
56:. Unsourced material may be challenged and removed.
1780:
1136:NV147 transfer case with the NV140 transfer case.
1469:Active Drive Low includes all of the features of
1444:Active Drive II includes all of the features of
21:AMC and Jeep transmissions § Transfer cases
1719:http://media.fcanorthamerica.com/pdf.do?id=1506
1501:Active Drive Lock includes all the features of
8:
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1887:WJ Four-Wheel Drive Systems, WJ Jeeps.com
116:Learn how and when to remove this message
1014:In 1996 the NP249 was replaced with the
146:
1623:"Easy to Understand - Jeep 4WD Systems"
1613:
911:Quadra-Trac was the trade name for the
533:
1648:"Inside the Original Jeep Quadra-Trac"
148:Jeep four-wheel-drive system branding
1787:. MotorBooks/MBI Publishing. p.
1229:electronic limited slip differentials
677:Jeep Cherokee/Wagoneer/Grand Wagoneer
553:
551:
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7:
1621:Trasborg, Pete (December 18, 2007).
539:
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261:2WD, 4WD HI PT, 4WD HI FT, N, 4WD LO
54:adding citations to reliable sources
966:High) a center differential with a
688:Command-Trac II works the same as
303:Auto, Snow, Sport, Sand/Mud, Rock
14:
1904:Harley, Michael (27 March 2013).
30:
1833:"4x4 when the going gets tough"
65:"Jeep four-wheel-drive systems"
41:needs additional citations for
1889:. Retrieved on 9 October 2010.
1821:. Retrieved on 9 October 2010.
1:
1831:McCraw, Jim (November 1992).
1783:Jeep 4x4 Performance Handbook
1130:brake traction control system
968:viscous limited-slip coupling
351:, 2008–12 & 2018–present)
1369:electronic stability program
1342:electronic stability program
789:Jeep Wagoneer/Grand Wagoneer
1334:hill descent control system
1270:system used in its compact
266:: 2WD, 4WD Auto, N, 4WD LO
1958:
1865:. jeep.com. Archived from
1733:. jeep.com. Archived from
1676:. jeep.com. Archived from
1592:AMC and Jeep transmissions
1075:In 2005 Jeep replaced the
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1817:28 September 2007 at the
1223:Quadra-Drive II uses the
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1072:system described below.
712:Rock-Trac is similar to
382:MP3023 (2011-2021; WK2)
1942:Four-wheel drive layout
1508:Jeep Cherokee Trailhawk
740:Jeep Wrangler Unlimited
584:through at least 1987.
446:Electronic clutch pack
443:Limited-slip / locking
440:Limited-slip / locking
1190:Quadra-Drive uses the
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1048:
889:
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800:Jeep Cherokee/Wagoneer
793:Jeep full-size pickups
1758:. lostjeeps.com/forum
1231:or ELSDs. Jeep added
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887:
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851:Jeep Liberty/Cherokee
827:Jeep Liberty/Cherokee
722:locking differentials
701:Jeep Liberty/Cherokee
670:Jeep Liberty/Cherokee
275:: 4-All Time, N, 4-Lo
1568:Jeep Grand Commander
1434:Jeep Grand Commander
742:Rubicon (TJ, JK, JL)
735:Rubicon (TJ, JK, JL)
286:4-All Time, N, 4-Lo
283:4-All Time, N, 4-Lo
258:2Hi, 4HI PT, 4LO PT
255:2Hi, 4HI PT, 4LO PT
50:improve this article
1540:Jeep Grand Cherokee
1244:Jeep Grand Cherokee
1212:Jeep Grand Cherokee
1145:Jeep Grand Cherokee
1106:Jeep Grand Cherokee
1032:Jeep Grand Cherokee
1008:Jeep Grand Cherokee
814:Jeep Grand Cherokee
663:Jeep Grand Cherokee
608:Jeep Grand Cherokee
220:Full/Part-time 4WD
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1654:. November 1, 1999
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131:uses a variety of
1863:"Jeep 4x4 Basics"
1798:978-0-7603-0470-9
1731:"Jeep 4x4 Basics"
1699:"Jeep 4x4 Basics"
1674:"Jeep 4x4 Basics"
1497:Active Drive Lock
1336:, off-road tuned
1276:front wheel drive
1262:Freedom Drive is
1132:and replaced the
1108:(WJ, WG, WK, WK2)
988:full-size pickups
720:NV241OR and adds
622:and a simplistic
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1233:traction control
1225:New Venture Gear
1206:. Applications:
1192:New Venture Gear
1175:system but adds
1134:New Venture Gear
1095:anti-lock brakes
1077:New Venture Gear
1016:New Venture Gear
906:New Venture Gear
718:New Venture Gear
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587:More commonly,
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556:
547:
542:
535:
477:Electronic LSD
437:Open or locked
375:
364:
359:
344:
339:
322:
317:
296:
276:
262:
174:Quadra-Drive II
145:
122:
111:
105:
102:
59:
57:
47:
35:
24:
17:
12:
11:
5:
1955:
1953:
1945:
1944:
1939:
1929:
1928:
1923:
1922:
1891:
1879:
1854:
1823:
1804:
1797:
1768:
1747:
1722:
1711:
1690:
1665:
1639:
1612:
1611:
1609:
1606:
1605:
1604:
1599:
1594:
1587:
1584:
1583:
1582:
1576:
1570:
1564:
1557:
1550:
1543:
1534:Applications:
1527:
1524:
1523:
1522:
1513:Applications:
1498:
1495:
1494:
1493:
1486:
1477:Applications:
1471:Active Drive I
1466:
1463:
1462:
1461:
1452:Applications:
1446:Active Drive I
1441:
1438:
1437:
1436:
1430:
1423:
1416:
1407:Applications:
1400:
1399:Active Drive I
1397:
1395:
1392:
1391:
1390:
1383:
1374:Applications:
1364:
1363:
1356:
1347:Applications:
1325:
1322:
1321:
1320:
1313:
1304:Applications:
1291:
1288:
1278:platform, the
1272:crossover SUVs
1259:
1256:
1255:
1254:
1251:Jeep Commander
1247:
1238:Applications:
1220:
1217:
1216:
1215:
1187:
1184:
1173:Quadra-Trac II
1160:
1157:
1156:
1155:
1152:Jeep Commander
1148:
1139:Applications:
1126:Quadra-Trac II
1121:
1118:
1117:
1116:
1113:Jeep Commander
1109:
1100:Applications:
1040:
1039:Quadra-Trac II
1037:
1036:
1035:
1026:Applications:
1021:Quadra-Trac II
1012:
1011:
1002:Applications:
992:
991:
978:Applications:
963:
962:
956:
954:Jeep Gladiator
950:
943:
934:Applications:
925:General Motors
873:
870:
869:
868:
865:Jeep Gladiator
861:
854:
845:Applications:
835:
832:
831:
830:
823:
817:
810:
803:
796:
783:Applications:
760:
757:
755:
752:
751:
750:
747:Jeep Gladiator
743:
736:
727:Applications:
709:
706:
705:
704:
695:Applications:
685:
682:
681:
680:
673:
666:
659:
652:
645:
636:Applications:
580:
577:
575:
572:
569:
568:
559:
545:
532:
531:
530:
529:
523:
522:
519:
516:
513:
511:
508:
502:
499:
496:
493:
490:
486:
485:
483:
480:
478:
475:
472:
470:
468:
465:
462:
459:
455:
454:
452:
449:
447:
444:
441:
438:
435:
432:
429:
425:
424:
422:
419:
417:
414:
411:
409:
407:
405:
402:
400:
397:
393:
392:
389:
386:
383:
376:
369:
353:
333:
331:(2003–present)
327:
311:
305:
304:
301:
300:: 4-Low, Rock
290:
287:
284:
281:
270:
267:
259:
256:
253:
249:
248:
245:
242:
239:
238:Full/Adaptive
236:
235:Full/Adaptive
233:
230:
227:
224:
221:
217:
216:
213:
210:
207:
204:
201:
198:
195:
192:
189:
185:
184:
183:Selec-Terrain
181:
178:
175:
172:
169:
168:Quadra-Trac II
166:
163:
160:
157:
154:
144:
141:
124:
123:
38:
36:
29:
15:
13:
10:
9:
6:
4:
3:
2:
1954:
1943:
1940:
1938:
1935:
1934:
1932:
1911:
1907:
1900:
1898:
1896:
1892:
1888:
1883:
1880:
1869:on 2012-06-29
1868:
1864:
1858:
1855:
1842:
1838:
1834:
1827:
1824:
1820:
1816:
1813:
1808:
1805:
1800:
1794:
1790:
1785:
1784:
1778:
1772:
1769:
1757:
1751:
1748:
1737:on 2012-07-01
1736:
1732:
1726:
1723:
1720:
1715:
1712:
1700:
1694:
1691:
1680:on 2012-08-07
1679:
1675:
1669:
1666:
1653:
1649:
1643:
1640:
1628:
1624:
1617:
1614:
1607:
1603:
1600:
1598:
1597:Transfer case
1595:
1593:
1590:
1589:
1585:
1581:
1578:2024–present
1577:
1575:
1572:2024–present
1571:
1569:
1566:2018–present
1565:
1562:
1559:2016–present
1558:
1555:
1554:Jeep Renegade
1552:2014–present
1551:
1548:
1547:Jeep Cherokee
1544:
1541:
1537:
1536:
1535:
1532:
1526:Selec-Terrain
1525:
1520:
1519:Jeep Cherokee
1516:
1515:
1514:
1511:
1509:
1504:
1496:
1491:
1488:2018–present
1487:
1484:
1483:Jeep Renegade
1481:2015–present
1480:
1479:
1478:
1475:
1472:
1464:
1459:
1458:Jeep Cherokee
1455:
1454:
1453:
1450:
1447:
1439:
1435:
1432:2018–present
1431:
1428:
1425:2016–present
1424:
1421:
1420:Jeep Renegade
1418:2015–present
1417:
1414:
1413:Jeep Cherokee
1410:
1409:
1408:
1405:
1398:
1393:
1388:
1384:
1381:
1377:
1376:
1375:
1372:
1370:
1361:
1357:
1354:
1350:
1349:
1348:
1345:
1343:
1339:
1335:
1331:
1323:
1318:
1314:
1311:
1307:
1306:
1305:
1302:
1301:
1297:
1289:
1287:
1285:
1281:
1277:
1273:
1269:
1265:
1258:Freedom Drive
1257:
1252:
1248:
1245:
1241:
1240:
1239:
1236:
1234:
1230:
1226:
1218:
1213:
1209:
1208:
1207:
1205:
1204:differentials
1201:
1197:
1193:
1185:
1183:
1181:
1180:differentials
1178:
1174:
1165:
1158:
1153:
1149:
1147:(WJ, WK, WK2)
1146:
1142:
1141:
1140:
1137:
1135:
1131:
1127:
1120:Quadra-Trac I
1119:
1114:
1110:
1107:
1103:
1102:
1101:
1098:
1096:
1091:
1086:
1083:
1078:
1073:
1071:
1066:
1061:
1056:
1054:
1053:transfer case
1045:
1038:
1033:
1029:
1028:
1027:
1024:
1022:
1017:
1009:
1005:
1004:
1003:
1000:
997:
989:
985:
984:Jeep Wagoneer
981:
980:
979:
976:
974:
969:
961:
957:
955:
951:
948:
947:Jeep Cherokee
944:
941:
940:Jeep Wagoneer
937:
936:
935:
932:
930:
926:
922:
917:
914:
909:
907:
903:
899:
895:
886:
878:
871:
866:
863:2021–Present
862:
859:
858:Jeep Wrangler
856:2018–Present
855:
852:
848:
847:
846:
843:
840:
834:Selec-Trac II
833:
828:
824:
822:
821:Dodge Durango
818:
815:
811:
808:
807:Jeep Comanche
804:
801:
797:
794:
790:
786:
785:
784:
781:
777:
774:
769:
766:
758:
753:
748:
745:2020–Present
744:
741:
738:2005–Present
737:
734:
733:Jeep Wrangler
731:2003–Present
730:
729:
728:
725:
723:
719:
716:but uses the
715:
707:
702:
698:
697:
696:
693:
691:
683:
678:
674:
671:
667:
664:
660:
657:
656:Jeep Wrangler
654:1987–Present
653:
650:
649:Jeep Comanche
646:
643:
642:Jeep Cherokee
639:
638:
637:
634:
631:
629:
625:
621:
616:
612:
610:
609:
603:
600:
596:
595:
594:Jeep Cherokee
590:
585:
578:
573:
563:
560:
554:
552:
550:
546:
540:
538:
534:
527:
526:
520:
517:
514:
512:
509:
506:
503:
500:
497:
494:
491:
487:
484:
481:
479:
476:
473:
471:
469:
467:Trac-loc LSD
466:
463:
461:Trac-loc LSD
460:
457:
456:
453:
450:
448:
445:
439:
436:
433:
430:
427:
426:
423:
420:
418:
415:
412:
410:
408:
406:
403:
401:
398:
396:Differential
394:
390:
387:
385:(electronic)
384:
380:(2005–10; WK)
377:
354:
350:
349:Selec-Trac II
334:
328:
312:
310:
309:Transfer case
306:
302:
299:
294:
291:
288:
285:
282:
280:: 4-All Time
279:
274:
271:
268:
265:
260:
257:
254:
250:
246:
243:
240:
237:
231:
228:
225:
222:
218:
215:2011–present
214:
212:2014–present
211:
208:
205:
199:
197:1983–present
196:
194:2003–present
193:
191:1980–present
190:
186:
182:
179:
177:Freedom Drive
176:
173:
171:Quadra-Drive
170:
167:
164:
161:
158:
155:
151:
142:
140:
138:
134:
130:
120:
117:
109:
98:
95:
91:
88:
84:
81:
77:
74:
70:
67: –
66:
62:
61:Find sources:
55:
51:
45:
44:
39:This article
37:
33:
28:
27:
22:
1913:. Retrieved
1910:autoblog.com
1909:
1882:
1871:. Retrieved
1867:the original
1857:
1845:. Retrieved
1840:
1836:
1826:
1807:
1782:
1771:
1760:. Retrieved
1750:
1739:. Retrieved
1735:the original
1725:
1714:
1703:. Retrieved
1693:
1682:. Retrieved
1678:the original
1668:
1656:. Retrieved
1651:
1642:
1630:. Retrieved
1626:
1616:
1561:Jeep Compass
1533:
1529:
1512:
1507:
1500:
1490:Jeep Compass
1476:
1468:
1451:
1443:
1427:Jeep Compass
1406:
1402:
1394:Active Drive
1387:Jeep Patriot
1380:Jeep Compass
1373:
1365:
1360:Jeep Compass
1353:Jeep Patriot
1346:
1329:
1327:
1317:Jeep Patriot
1310:Jeep Compass
1303:
1300:GS Platform.
1293:
1261:
1237:
1222:
1195:
1189:
1186:Quadra-Drive
1170:
1159:Quadra-Drive
1138:
1123:
1099:
1087:
1074:
1070:Quadra-Drive
1057:
1050:
1025:
1013:
1001:
993:
977:
964:
933:
918:
910:
893:
891:
844:
841:
837:
782:
778:
770:
762:
749:Rubicon (JT)
726:
714:Command-Trac
711:
694:
690:Command-Trac
687:
635:
632:
628:Command-Trac
627:
623:
619:
617:
613:
606:
604:
599:Command-Trac
598:
592:
589:Command-Trac
588:
586:
582:
579:Command-Trac
574:Command-Trac
562:
504:
348:
297:
292:
277:
272:
263:
180:Active Drive
156:Command-Trac
127:
112:
106:October 2010
103:
93:
86:
79:
72:
60:
48:Please help
43:verification
40:
1658:24 February
1652:Motor Trend
1632:24 February
1627:Motor Trend
1274:based on a
1202:-equipped
913:Borg-Warner
902:New Process
898:Borg-Warner
894:Quadra-Trac
872:Quadra-Trac
860:Sahara (JL)
765:New Process
624:Quadra-Trac
451:Electronic
373:(1999–2004)
342:(1987–2007)
320:(1984–2001)
165:Quadra-Trac
1931:Categories
1873:2012-08-16
1847:10 October
1777:Allen, Jim
1762:2017-02-14
1741:2012-08-15
1705:2012-08-16
1701:. jeep.com
1684:2012-08-15
1608:References
1580:Jeep Recon
1545:2014–2023
1538:2011–2021
1517:2014–2023
1456:2014–2023
1411:2014–2023
1385:2007–2017
1378:2007–2017
1358:2011–2017
1351:2007–2017
1315:2007–2017
1308:2007–2017
1249:2006-2010
1210:1999-2004
1198:which are
1150:2006-2009
1143:2004–2021
1111:2006-2009
1104:1999–2021
1082:Selec-Trac
1030:1996-1998
1006:1993-1995
982:1980-1982
973:Selec-Trac
958:1976-1979
952:1973-1979
945:1973-1979
938:1973-1979
849:2008–2012
825:2002–2007
819:1998–2000
812:1993–2004
805:1986–1992
798:1984–2001
787:1983–1991
759:Selec-Trac
754:Selec-Trac
699:2008-2012
675:1980-1987
668:2002-2007
661:1993-1995
647:1986-1992
640:1984-2001
620:Selec-Trac
489:Low Range
335:NP228/229
318:NP231/207
232:Part/Full
229:Part/Full
209:2007–2017
206:2005–2021
203:1999–2004
200:1973–1998
162:Selec-Trac
76:newspapers
1246:(WK, WK2)
1242:2005–2021
960:Jeep CJ-7
773:AMC Eagle
708:Rock-Trac
507:: 2.72:1
474:Vari-Lok
413:Vari-Lok
367:(1993–98)
365:NP/NV249
362:(1980–82)
357:(1973–79)
337:(1983–91)
325:(2002–07)
315:(1980–87)
159:Rock-Trac
1915:27 March
1843:(5): 112
1815:Archived
1779:(1998).
1586:See also
1196:Vari-Lok
816:(ZJ, WJ)
557:Optional
464:Tru-Lok
404:Tru-Lok
329:NV241OR
137:vehicles
1284:Patriot
1280:Compass
1200:gerotor
1177:gerotor
1065:gerotor
1060:gerotor
510:2.72:1
501:2.57:1
498:2.72:1
492:2.72:1
355:BW1339
345:MP3022
323:NP241J
295:: 4-Low
153:Feature
143:Summary
90:scholar
1795:
1340:, and
927:, and
378:NV245
371:NV247
360:NP219
340:NP242
313:NP208
252:Modes
188:Years
92:
85:
78:
71:
63:
1542:(WK2)
921:Dodge
528:Notes
482:Open
421:Open
264:ST II
247:Full
244:Full
241:Full
226:Part
223:Part
97:JSTOR
83:books
1937:Jeep
1917:2013
1849:2010
1793:ISBN
1660:2022
1634:2022
1602:Jeep
1563:(MP)
1556:(BU)
1549:(KL)
1521:(KL)
1492:(MP)
1485:(BU)
1460:(KL)
1429:(MP)
1422:(BU)
1415:(KL)
1389:(MK)
1382:(MK)
1362:(MK)
1355:(MK)
1330:19:1
1319:(MK)
1312:(MK)
1282:and
1264:Jeep
1253:(XK)
1214:(WJ)
1154:(XK)
1115:(XK)
1034:(ZJ)
1010:(ZJ)
990:(SJ)
986:and
949:(SJ)
942:(SJ)
929:Ford
892:The
867:(JT)
853:(KK)
829:(KJ)
802:(XJ)
795:(SJ)
791:and
771:The
703:(KK)
679:(SJ)
672:(KJ)
665:(ZJ)
651:(MJ)
644:(XJ)
505:QTII
495:4:1
293:ADII
273:QTII
129:Jeep
69:news
1841:251
1266:'s
298:ADL
278:QTI
52:by
1933::
1908:.
1894:^
1839:.
1835:.
1791:.
1789:90
1650:.
1625:.
923:,
548:^
536:^
521:—
518:—
515:—
458:R
434:—
431:—
428:C
399:F
391:—
388:—
289:—
1919:.
1876:.
1851:.
1801:.
1765:.
1744:.
1708:.
1687:.
1662:.
1636:.
347:(
119:)
113:(
108:)
104:(
94:·
87:·
80:·
73:·
46:.
23:.
Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
