The permanent all - wheel drive, which uses
a center differential with large amounts of lock, delivers optimum traction and driving dynamics.
In 2005, Audi introduced a new self - locking
center differential with asymmetric / dynamic torque distribution.
Teamed with a manual transmission as in the Legacy 2.5 GT spec.B, Subaru Symmetrical All - Wheel Drive employs a viscous - coupling locking
center differential with a normal 50:50 torque split.
3.9 - liter aluminum V8 engine, 5 - speed manual transmission, 2 - speed
center differential with manual lock.
At the heart of the quattro system is
a center differential with a high locking rate and a separate oil cooler to regulate its temperature.
The all - wheel drive uses a lighter
center differential with a higher locking rate than those in other large Audis.
The tiptronic delivers the power to a quattro drivetrain combining a self - locking
center differential with the sport differential at the rear axle.
All models are available with a multi-mode four - wheel drive system with Torsen limited - slip
center differential with locking feature.
Members of the A5 family equipped with quattro permanent all - wheel drive and the S tronic transmission also feature the crown - gear
center differential with torque vectoring.
This transfer case features a Torsen limited - slip
center differential with a locking feature and distributes the engine's power 40 - percent / front and 60 - percent / rear in most driving conditions.
The torque vectoring function supplements the work of
the center differential with finely incremented brake applications, to make handling even more precise and safer.
This system employs a viscous - type locking
center differential with torque distribution normally configured at a 50/50 split front - to - rear.
4Runner offers two different 4 - Wheel Drive systems: SR5 4WD and TRD Off - Road models utilize part - time 4WD with Active Traction Control (A-TRAC), while Limited 4WD is equipped with a full - time 4WD system featuring A-TRAC and Torsen limited - slip
center differential with locking feature.
The Mitsubishi Lancer Evolution is also predicated on the «turbo motor, compact platform» concept, but it throws in more technology in the form of all - wheel drive featuring an active
center differential with active yaw control, and the availability of a dual - clutch automated six - speed manual transmission (a traditional five - speed manual is also available with the Lancer Evolution).
TLDR: Planetary
center differential with viscous coupling.
Utilizing
a center differential with a multi-plate clutch, it normally sends all available torque to the rear wheels, but can deliver up to 38 percent to the fronts when the system deems it necessary.
Not exact matches
«The paper formulated the Grosseteste model in terms of
differential equations that can be solved
with modern numerical techniques,» says cosmologist Avi Loeb at the Harvard - Smithsonian
Center for Astrophysics in Cambridge, who was not involved in the work.
[38] Although the results of the trials of cell therapy for PD were mixed,
with only a minority of patients showing clear - cut and durable gains, researchers have subsequently gained substantial insight into the reasons underlying
differential outcomes at different
centers and amongst different protocols, and for the troubling dyskinesias that were suffered by some patients.
To report the clinical, neuropsychological, linguistic, imaging, and neuropathological features of a unique case of sporadic Jakob - Creutzfeldt disease in which the patient presented
with a logopenic variant of primary progressive aphasia.Case report.Large referral
center for atypical memory and aging disorders, particularly Jakob - Creutzfeldt disease.Patient presenting
with logopenic variant primary progressive aphasia initially thought to be due to Alzheimer disease.Despite the long, slow 3.5 - year course, the patient was shown to have pathology - proven sporadic Jakob - Creutzfeldt disease.These findings expand the
differential of primary progressive aphasia to include prion disease.
Audi Q5 Audi's Quattro all - wheel drive is based on a torque - sensing
center differential,
with the bias controlled by two sets of planetary gears and several friction discs.
A heavily massaged version of the Evo IX's AWD system lives under the Evo X's exterior, complete
with a tweaked iteration of the IX's electronically managed active
center differential.
MSRP (
with destination): $ 31,970 PRICE AS TESTED: $ 37,805 ENGINE: 3.6 - liter DOHC V - 6 Horsepower: 285 hp @ 6400 rpm Torque: 260 lb - ft @ 4800 rpm TRANSMISSION: 5 - speed automatic DRIVE: Four - wheel WHEELS AND TIRES: 18 - inch aluminum wheels 255 / 70SR -18 Bridgestone Dueler A / T tires FUEL ECONOMY (city / highway / combined): 16/20/18 mpg CURB WEIGHT: 4294 lb CAPACITIES: Doors / Passengers: 4/5 Cargo (rear seats up / down): 46.4 / 86.8 cu ft Legroom (front / rear): 41.0 / 37.2 in Headroom (front / rear): 41.3 / 40.4 in Towing: 2000 lb EXTERIOR / INTERIOR COLOR: Black / Black STANDARD FEATURES: 6 - speed manual transmission Stability and traction control Hill start assist Roll mitigation Part - time four - wheel drive 3.21 rear axle ratio Transfer case and fuel tank skid plates Cruise control 115V auxiliary power outlet Air conditioning 7 - speaker Infinity audio system w / subwoofer Auxiliary audio jack SiriusXM satellite radio w / one - year subscription Tilt steering wheel Temperature gauge and compass Leather - wrapped steering wheel w / audio controls Height - adjustable driver's seat 60 / 40 - split folding rear seats Rear compartment covered storage OPTIONS ON THIS VEHICLE: Altitude Edition - $ 2995 18 - inch painted aluminum wheels Black Jeep grille badge Front and rear bumper body - color appliques Gloss black interior accents Red interior stitching accents Altitude floor mats and hood decal Heated front seats Body - color 3 - piece hardtop Mopar fuel filler door Freedom panel storage bag Rear window washer, wiper, and defroster Connectivity group - $ 385 USB port Electronic vehicle information
center UConnect voice control w / Bluetooth 5 - speed automatic transmission - $ 1125 Hill descent control Track - Lok rear limited slip
differential - $ 295 UConnect 430N - $ 1035 40 GB hard drive w / 28 available GB SiriusXM travel link w / one - year subscription 6.5 - inch touchscreen display Navigation KEY OPTIONS NOT ON THIS VEHICLE: Dual top group - $ 890 Trailer tow group - $ 295 3.73 rear axle ratio - $ 95 ADDITIONAL SPECS: This is the one of the top - tier Wrangler Unlimited trim levels, only trumped in price by the «Call of Duty: MW3 Edition» Wrangler Unlimited model.
Options on this vehicle: Sun and sound group — $ 1295 Power sunroof 9 Boston Acoustic speakers
with subwoofer 2 articulating liftgate speakers Security and convenience group — $ 1235 Remote start system Uconnect phone
with voice command iPod control Auto - dimming rear - view mirror Tire pressure monitoring system Continuously variable transmission — $ 1050 Off - road crawl ratio Freedom drive II off - road group — $ 825 Brake lock
differential Hill decent control All - terrain tires Full - size spare tire Skid plates Tow hooks Engine oil cooler Trailer tow wiring harness Media
center 730N — $ 890 CD / DVD / HDD / Nav radio 30 GB hard drive
with 4250 song capacity 6.5 - inch touch - screen display GPS navigation system Automatic air conditioning — $ 155 Key options not on vehicle: Engine block heater — $ 35
Switching into off - road mode on the
center - mounted rotary dial proves a good decision, optimizing the all - wheel drive Tiguan SEL Premium we were driving for the terrain
with a flatter acceleration curve, unique ABS setting, later meddling from the stability control and traction control systems, and greater locking ratio for the
center electronic
differential lock.
Standard Equipment: 2.5 - liter turbocharged boxer 4 - cylinder engine 5 - speed manual transmission Vehicle dynamics control All - wheel drive Locking
center differential Traction control 4 - wheel disc brakes
with ABS Electronic brake force distribution HID headlamps Power moonroof Leather trimmed seats Heated front seats Steering wheel - mounted audio controls AM / FM stereo
with single CD player and 6 speakers Auxiliary audio input jack XM satellite radio Bluetooth connectivity iPod and USB adapter Options on this vehicle: None Key options not on vehicle: Touch - screen GPS navigation — $ 2000 Auto - dimming rearview mirror — $ 165
While the G 550 remains the more capable machine once the pavement ends, the G 63 has kept its claws,
with locking
differentials front, rear, and
center.
The other rally - bred Japanese entry, the Subaru WRX STI, has an electronically controlled
center differential along
with a helical limited - slip front
differential and a mechanical Torsen rear
differential.
But as more engine torque is called upon by the driver, the Haldex's electronic brain does the math by registering axle loads, tire slip and steering angle, then commands the fast - acting electro - hydraulic
center differential to continuously vary torque distribution to enhance rear traction
with a torque split that is biased to the rear wheels by as much as 100 percent.
It weighs less than 3,000 pounds and has a sequential dog - clutch gearbox; programmable
center differential; limited - slip front and rear
differentials; and a 2.0 - liter, turbocharged flat - four engine
with 350 hp and 480 lb - ft of torque.
Standard Equipment: 2.5 - liter horizontally opposed Turbocharged 4 - cylinder engine 6 - speed manual transmission Symmetrical AWD Driver controlled
center differential Multi-mode vehicle dynamics control Front and rear limited - slip
differentials Brembo high performance brakes Spec C performance suspension 18 - inch Spec C alloy wheels Summer performance tires Air conditioning
with filtration system AM / FM / CD audio system
with aux input jack Satellite radio Steering wheel mounted audio controls Cruise control, tilt / telescoping steering Power locks / windows / mirrors Remote keyless entry Alcantara - trimmed upholstery STI exhaust
with quad outlets
The standard AWD system has a rear torque bias and a single - speed transfer case
with a Torsen
center differential; the optional system has a 50/50 default torque split and a two - speed transfer case (high and low range)
with a locking
center differential.
In conjunction
with steering - angle sensors, yaw sensors, an active
center differential, and a host of electronic brainpower, that diff makes magic happen.
The Audi S4's fifth - generation Quattro system ties the front and rear axles together
with a
center differential that provides a 40/60 front / rear torque split.
The problem
with having the
center differential locked is that in high - traction situations (like on pavement), the drivelines can bind and cause the tires to «scrub» or «crow hop,» damaging the drivetrain.
The most versatile 4WD systems provide the driver
with the ability to choose when to lock the
center differential.
The 4MATIC system as installed in 2012 Mercedes passenger cars, sports a planetary type
center differential that's integrated
with the transmission casing.
In line
with this development philosophy, Mitsubishi developed its first high performance four - wheel drive vehicle in 1987, when it equipped the Galant VR - 4
with «Dynamic Four», which featured a
center differential - type full - time four - wheel drive system (this system incorporated a viscous coupling unit), a four wheel steering system, four - wheel independent suspension, and a four - wheel ABS (the first total integration of these systems in the world that were highly advanced at the time).
As technology evolved, 4MATIC moved
with it, morphing from a part - time system to a permanent all - wheel drive setup that utilized a mechanical
center differential to transmit power from the transmission to both the front and rear tires while front and rear diffs provided traction to the left and right tires on each axle.
They come
with an additional
center differential to enable limited slip for better drivability on the road, and the system does it all for you.
Three locking
differentials (front, rear, and
center), solid front and rear axles, and honest - to - God metal springs make this a very respectable off - roader
with all the typical German touches inside.
Most trucks and SUVs (even crossovers
with all - wheel drive) come
with center - locking
differentials which send power evenly to the front and rear axles, but those axles have their own
differentials which vary the amount of power between the left and right wheels depending on the amount of grip available.
The silicon becomes solid like and engages plates inside the VC
with the result that power is transmitted from the
center drive shaft (the engine) to the front
differential (the front wheels).
A six - speed automatic transmission handles shifting duties and a Torsen limited - slip
center differential provides full - time all - wheel drive
with a 40:60 power split (front / rear, respectively).
The package features a Dana Super 60
center section and open
differential with a 256 - millimeter gear set and 35 - spline axle shafts.
It also also available
with a single speed transfer case
with a Torsen
Center differential, helping it boost some outstanding performance.
Sturdy Fix: In its final year of production, the D II came from the factory
with a
center diff - lock shifter to lock the
center differential.
The addition of a steering - sensor input communicating intentions to the DCCD (Driver Controlled
Center Differential) all - wheel - drive system adds intelligence to the STI, with a new mechanical limited - slip center differential helping to transfer torque effect
Center Differential) all - wheel - drive system adds intelligence to the STI,
with a new mechanical limited - slip
center differential helping to transfer torque effect
center differential helping to transfer torque effectively.
Off - road, the LX 570 is truly at home,
with a 2 - speed transfer case, a locking
center differential and five terrain settings (rock, rock & dirt, mogul, loose rock or mud & sand) to tackle nearly every off - road eventuality.
Rear - wheel drive is standard in the SR5 and the Limited, Part - time 4WD is standard on the Trail model and an option on the SR5, and Full - time 4WD
with a limited - slip, locking
center differential is an option on the Limited.
The Max Tow Package is based around a Dana Super 60
center section and open
differential with a 256 - millimeter gear set, and uses