Transfer case gear reduction. NEWEST ADDITION TO THE TRANSFER CASE WORLD .

No, it doesnt have the gears of an atlas or stak box, but it is strong. Photos NP-231 transfer case. Today, the company is based in Paso Robles, California and their engine and transmission conversions for Jeeps are in kit form and sold as individual components. 4-to-1 (4:1) transfer case gearing in an NP205/203 package strong enough for big block power and full size trucks. 1st gear - 2. The standard reduction of 2. gear manufacturer using the best machines and tooling available ensuring smooth, quite operation. It requires a smaller sun gear feature to achieve its 4:1 reduction, and as you would guess, they are in no way compatible nor interchangeable. Sep 14, 2009 · Transfer case reduction gears. 84:1 Lo gear - 2. Available with a 21 or 23 spline input gear. 70 Apr 9, 2023 · The gears are manufactured in Japan, using the latest in gear cutting technology by an O. 15:1 (a The transfer case drive mode that provides maximum gear reduction to the wheels and multiplies engine power. The Black Box Series is a premier line of shiftable, underdrive gearboxes. See the PDF instructions for case modifications and gear installations. Typically mounted between the transmission and transfer case, the BlackBox is a gear reduction unit that has the ability to shift from a 2. Tracker Transfer Case Gears. 70 T-Case Reduction Gear Kit For rock crawling, lower transfer case gears give you the control you need to keep your truck on track. P/N 48-4160 is a 4. 2:1 Suzuki Sidekick / Geo Tracker / Vitara Transfer Case Gear set provides 133% reduction over stock low range gears. 70 T-Case Reduction Gear Kit. Suzuki Jimny Transfer Case Gear Set, Chain Drive, Manual (Gear Set less Planetary) - 24% High Range Reduction/24% Low Range Reduction If you're on a budget but still want to reduce your transfer case gear ratios, this is the kit for you. High Range: A transfer case drive mode, like Neutral or low-range. Low-range is for slow-speed operation. 72:1 gear reduction when in low range. 8:1 gears. For more than 36 years, we have been serving as the leading manufacturer of quick change gears, 4×4 transfer cases, 10 spline gears, 6 spline gears and other custom machining applications. With a 40-spline output, massive helical cut gears, and a split design for easy maintenance, the Hero Transfer Case is best-in-class for those who take the word “extreme” seriously. Select Lower Set Ratio. Click the links below to view images, parts drawings, dimensions, and exploded views. Gear sets reduce the stock low range from 2. These one-piece billet gear kits provide superior reliability. However, its Low-range gear ratio is only 2. 28 to 4. This article will provide all the information to swap transfer cases in your Chevy vehicle. 4:1 Suzuki Samurai Transfer Case Gear set provides 181% reduction over stock low range gears for your rock crawling needs! High range is also reduced by 17% which will return gearing to stock with 30" tires. Its output housing bolted into the same space provided by the earlier 18's PTO port. Luckily, a Chevy transfer case interchange chart can help. Where the case’s high-range ratio may be 1. I'm thinking it's like 2. Made in Japan NOT China!! These are the most complete kits currently available and include new OEM Suzuki gaskets, seals When interest in rock crawling spiked in the mid-1990s, Advance Adapters offered low ratio transmission swaps then switched gears into the ultra-low gear transfer case arena. 90:1 low range with a 16% high gear reduction. Sep 30, 2000 · Clutch, Transmission, Differential, Axle & Transfer Case - Transfer case reduction ratios - Whoo Hoo! First post in a brand new forum! :7 Just wondering what transfer case gear reduction ratios are. ALL NON-TRAIL-GEAR FAMILY PRODUCTS DISCOUNT GIVEN AT CHECKOUT. Sumo Gears are the original gears that have been used in Samurai Sep 15, 2023 · The reduction section of the transfer case offers two distinct gear ratios, namely low and high. 00:1, low range ratios are typically between 2. 2 times, or so. com/sites/all/marlin/files/docs/ May 9, 2018 · Includes both low speed output gear and idler gear. . P/N 48-4900 is a 4. 49:1, these 3. The NP205 is a single piece cast iron case with helical gear driven transfer case with a 1. These 4. Jun 18, 2021 · Guys, I purchase Sumo transfer case gears for my 2006 land cruiser 100 series, to reduce the High gears in the transfer case by about 10%. now i am just wondering what everyone uses for this and any other info would be greatly appreciated. 3 reduction is possible. 66 CL DROPP QUICK CHANGE TRANSFER CASE. A sliding output gear acted also as the output shaft coupler to the input gear's clutch ("bull May 1, 2010 · Gear Reduction. 1:1 gears offer a 25% low range reduction with no change to the 1:1 high range. Our planetary features a hardened steel housing and gears. 84x2. Advance Adapters Transfer Case 6. and bears no affiliation with any other aftermarket gear manufacturer. Another option involves the addition of a planetary gear set behind the transmission case to get a second The award winning Hero Transfer Case is the strongest selectable reduction box on the market. oil type: GL-5; oil viscosity. This is the device that splits the power between the front and rear axles on a four-wheel-drive car.   Includes (3) Trail-Safe™ Jimny T-Case Input/Output oil Spicer transfer cases can be coupled directly to a Spicer auxiliary transmission, providing full torque capacity to both front and rear axles. in this video i will be installing Trail-Gear offers an affordable 4. 4. This transfer case was released in 1962. Transfer Case Calculator. 4×4 Transfer Cases 10. May 1, 2012 · The New Process 231 transfer case is one of the most common and durable transfer cases ever produced. It was called the "silent-type" due to its centered rear output housing that allowed for its efficient direct drive in 2wd. 85:1 transfer case gears produce a 60%+ reduction in gearing over the factory 1. The 241OR transfer case features the following input spline configuration: Jan 1, 2002 · (Sport Trac Borg Warner 1354) Low range or 4-Lo offers an additional set of gears in the transfer case, which allows for a lower gear ratio. 966:1 This transfer case has a 4:1 ratio gear reduction for this Rock Trak t-case. 40:1 Gear Sets; For Use In Suzuki Transfer Case; 181% reduction In Low Range; 17% Reduction In High Range; Includes Necessary Bearings And Seals; California Residents: WARNING + View More Specs - View Less Specs This video follows the marlin crawler manual for re gearing your gear driven toyota transfer case: https://www. Sumo Gears are precision machined out of high-quality billet SCM420H material in Japan by an O. Low Range reduction is 6. Especially the downhill engine braking and speed/revs in top gear. 35 = 17% reduction Dec 1, 2010 · The Klune-V is a unique two-speed unit that goes in between the transmission and transfer case in a 4WD vehicle. TeraFlex is still the only aftermarket company to offer a low range gear conversion for the 231 transfer case. 96:1 reduction in low and 1:1 in high range, it was used in a variety of applications from 1969-1980 in Dodge, Ford, GM. Internal Components of the Np205 Transfer Case. 8:1 reduction is achieved with the main case in Low and the front Feb 3, 2017 · Land Cruiser Transfer Case Low Range Gear Sets Sumo Gear sets are made to OE specifications in Japan. Maybe not as strong as a 205, but better than a half ton case. By using the sliding mechanism, the user can select the gear ratio of the transfer case. Apply thread sealant to the torx bolt (we use Hi-Tack Gasket Sealant made by LOCTITE), and install the shift rail detent ball, spring, and finally the The Black Box Planetary gearbox is a gear reduction unit that fits between your existing transmission and transfer case. 4 high remains the same ratio only, four low is affected. The NVG241OR transfer case is a great upgrade for those who are seeking a low range option with 4:1 reduction. 0:1 -> 1. Transfer Case. NP-231 transfer case. A transfer case has two major portions: the gear Apr 27, 2010 · Mike's 2005 NISMO build 2005 NISM O CC 4X4-ICON 2. After wheeling this weekend for the first time in many years I have caught the Wheeling BUG BAAAAAAAAAAAAAD!!! and now i finally have a DD looking into some more mods on the jeep. Our Samurai low range gear kit is the highest quality gear set available. 0:1 gear reduction planetary is the heart of the HD 231 transfer case. Neutral State: Some transfer cases offer a neutral setting, disengaging both axles for towing. Check out Zuks off road for great deals and great c May 1, 2010 · In some cases, a second transfer case (gear reduction portion) is added to the drivetrain. I had a local shop who specializes in land cruisers install the gears in the transfer case. Apr 6, 2014 · There is a differential in the transfer case that allows it to stay in AWD all the time. More planetary gears, wider chain, and an oil slinger type pump as opposed to the 1356 type pump. The Np205 transfer case is a heavy-duty, gear-driven transfer case commonly used in off-road vehicles and trucks. 10. Back to our corner-turning example: While the differentials handle the speed difference between the inside and outside wheels, the transfer case in Trail Tough offers Sumo 6. 72:1 reduction ratio Now available in the US from Marks 4WD Adapters are the long awaited lower transfer case gears for many models of the Mitsubishi Montero and Montero Sport! These new 2. Components Jul 1, 2006 · With both the main case and the reduction housing set in Low range in a 3. 7:1 Toyota Transfer Case Reduction Gear Kit by Sumo Gear Company. above -18 C / 0 F: SAE 80W-90 Synthetic Gear Lube (AGLPK) Severe Gear 75W-90 (SVGPK) Severe Gear 75W-110 (SVTPK) below -18 C / 0 F: SAE 80W-90 Synthetic Gear Lube (AGLPK) Severe Gear 75W-90 (SVGPK) Jul 13, 2023 · Sumo Gear Land Cruiser Transfer Case 10% Underdrive Gear Set - Fits 8x/100 Series Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Apr 16, 2001 · 1978 - 1996 Big Bronco - Transfer case gear-reduction kits - Has anybody installed a transfer case gear reduction kit? I've found lots of stuff for Toys, and Jeeps, but nothing for my NP 208F. 1:1 High Range. Trail Gear Transfer Case Low Range Kits 304957-3-KIT Transfer Case Components, Suzuki Jimny Transfer Case Gear Set, Chain Drive, Manual (Gear Set less Planetary) Part Number: TGI-304957-3-KIT 2) 18-8-22 gear 3) 18-8-24 gear 4) 18-5-9 intermediate gear 5) 18-8-37 slider gear from EARLY Bronco 20 The rest is bolt up except you may have to grind some on the case (most do) to clear the slider gear. 9:1 transfer case gears provide 115% reduction in low range and 16% reduction in high range. 925:1 ratio. It uses planetary gearing to offer a reduced gear ratio and is available in two Apr 14, 2008 · Degrease the mating surfaces of the case cover and the rear case (housing #2), apply silicone to the case cover's mating surface and install the case cover with its 5-bolts (torque to 27 ft-lbs). they work sequentially, shift one case into low gear (either one) and you reduce your gearing like normal. Torsion Bars; RZeppa/Plug-In Axles, Ball & Claw Axles; Quick Change Drop Boxes; Motorcycle Application; Mud/Sand/Rock Mar 23, 2019 · Mated directly to it was a BW4407 transfer case (96 f350). My '81 F-250 has a Borg Warner 1345, but I don't know what the ratio is. 73 UNDERDRIVE TO 2. 24 Transfer Case Gears. 63:1 Rear end - 3. High Range reduc Jan 30, 2023 · Zuks off road Suzuki samurai 6. Jun 1, 2011 · First, a gear reduction portion of some transfer case is adapted to fit between the transmission output and the input of the main transfer case. A low range gear provides increased low speed torque capability for off road operation. 50:1. The sliding mechanism enables the user to select the desired gear ratio for the transfer case. 66 Drop Case. Trail-Gear offers an affordable 4. P/N 48-6400 is a 6. Power Distribution: It takes mechanical power from the transmission and distributes it to the front and rear axles. You’ll be able to restore this classic transfer case and enjoy double or even triple the low gears for years to come. They have installed transfer case gears many times before. For over 2 years, the LoMax gear design effort has been an independent project of JB Conversions, Inc. AVAILABLE WITH YOUR CHOICE OF INPUT AND OUTPUT YOKES OR FLANGES. Ready to bolt right into your drivetrain, add fluids and you're back on the road again! This transfer case will fit the following years of the Jeep Wrangler Rubicon SUVs: 2003, 2004 Sep 21, 2021 · in this video i will be installing new trail gear 4. Suzuki Sidekick & Geo Tracker 4. Does not increase road noise commonly associated with low range gear reduction. The NP241OR input gear is a different animal than the other New Process series of chain drive transfer cases of the same era. They’re HERE!!!!! Another TRAIL TOUGH original! “Trail Savage” low range transfer case gears for the manual or automatic Grand Vitara’s and XL7’s! They also fit all Suzuki Sidekick and Geo Trackers 1991 to 2003. e. Shifting the transfer case to 4-Low allows slower speeds and higher torque levels through gear reduction as low as 4:1, though that rate varies among transfer case types. This lower ratio transfers extra torque and a slow Jan 10, 2010 · The NV242 provides full time 2-wheel, or 4-wheel drive operation. Factory ratio is 2. If your build is planning on using a large battery pack and space is tight, gear reduction will add much needed room for more batteries. marlincrawler. You also can order a complete Toyota Hi-Lux Transfer Case Rebuild Kit, which was one of the first cases that had replicable low-range reduction. Called "extreme," because the underdrive multiplies your existing gear reduction by up to 4 times, rather than a usual underdrive of 1. Trail-Creeper T-Case gears are available in 21 and 23 spline configurations. 7 to 1. Minor case clearancing is required using a die-grinder, otherwise these are a direct fit to your 80/100 Series transfer case. Made in Japan to OE Toyota specifications. For rock crawling, lower transfer case gears give you the control you need to keep your truck on track. Gear Reduction: In some models, the transfer case also provides gear reduction, aiding in off-road The LoMax gear set has been designed to achieve maximum gear strength and the lowest possible reduction ratio for the Jeep Dana 300 transfer case. Jun 10, 2019 · Transfer. 72:1 is found in all other current production NVG transfer cases from such applications as Jeep, GM truck, Dodge truck, S-10's, and Ford trucks. Fits Split-Cases with 34mm* Idler Shaft. Uses stock bearings with new gears. Feb 27, 2008 · dual transfercases = 2 transfer cases: stock case + secondary transfer case. It provides five modes of operation: Auto 4WD, 4 HI, 4 LO, 2 HI and Neutral. a super slow double low range makes for ideal wheel speed and torque conditions for slow, precise rock Nov 21, 2018 · This video shows the basic operation of a planetary gear set from a transfer case. This unit fits Jeeps 2003 to 2011 with the 42RLE automatic overdrive transmission. 000 32/32 1. 0:1 -> 2. The Black Box is designed for the 4x4 enthusiast who is seeking significantly LoMax 205 3:1 10-spline Complete Transfer Case LoMax 205 3:1 32-spline Complete Transfer Case Part #2841 $3,395. 5 low range transfer case gear and Siamese twin stick shifter kit install. 73. Expand the image below to see the Spicer transfer case features and benefits, or download the brochure on the right to see an overview of the various transfer case models that are available. 7 reduction gears at the same time as a dual case setup, get 23 spline for both for increased strength. Types of transfer cases Jan 24, 2009 · Low range reduction gears for TX-10 transfer case with a ratio of 3. Circle Track. 64x3. The shifter changes from high to low range, and locks the transfer case into true 4WD. Jul 18, 2002 · The stock Dana 20 transfer case found in a lot of Jeeps, Scouts, and Broncos is a sturdy and reliable unit. Mar 5, 2009 · The New Venture Gear model NVG 226 transfer case is a two speed automatic, active, transfer case. 73 OVERDRIVE. Oct 31, 2021 · Showing some of the differences between a 1350 and 1354 transfer case that came in 1984-1997 Ford Ranger, Explorers, and Bronco 2. Klune-V is an Extreme Underdrive is an underdrive gearbox that bolts in place between the transmission and transfer case. 24:1 gears have a 135% reduction from your stock 1. Samurai 6. 72:1 low range back to 1:1 for existing operation. 16:1 low range with a 12% high gear reduction. This t-case has been completely remanufactured and comes with our 3-Year warranty. 20:1 and 3. These popular gear sets offer transfer case gear reduction with the highest quality components on the market. Or any other really abusive application you can come up with - Chevy, GM, Dodge, Ford or custom! The Doubler is an all gear, dual transfer case system uniquely suited to full size trucks or other heavy duty, high output/abusive applications because of the durability of its Aug 6, 2018 · Case Files: Whether you need repair parts for your NP205 or a completely overhauled trail-ready transfer case fitted with a Magnum Box for maximum gear reduction, Offroad Design is the place to look. Chevy vehicles with transfer cases are known for their impressive performance and traction. There are two different methods of gear reduction used in a transfer case. 66 Drop A typical part time four-wheel drive transfer case: The planetary gear reduction can be engaged to provide the low-range gearing. 5 coilovers,AC 3 leaf pack,Bilstein shocks, 3" Body lift, Titan front differential, Pathfinder half shafts, 305/70R16, American Outlaw Colt wheels, KMA rear bumper, Black Widow Off Road hi-lift mount, Home made utilitrac spare tire mount, Airflow snorkel, Shrockworks sliders and skids Dec 21, 2019 · 2004 - 2008 F150 - Transfer case - Does a kit exist to convert our t-case's lo gear to 4:1? I want to increase the crawl ratio without going to a taller ring and pinion. These new 4. A differential in the transfer case is used to control torque transfer to the front and rear axles. The 3. This new reduction unit replaces the stock 42RLE tailhousing with a 6 gear planetary reduction box featuring a 2. I right now I figure my crawl ratio is around 28:1, which isn't great. Cut by the same factory that cuts your stock gears for reliability. 5 Transfer Case Gear Set Low range gears are critical for technical off-road driving. The TeraLow Low20 gear set, in 4-wheel drive low, provides a reduction ratio of 3. E. Sumo Gear 4. Fits 4WD Grand Vitara 1999 – 2005 manual and automatic, 4WD XL7’s up to 2003 manual or This 2-speed reduction gearbox is designed to give you a performance increase at a reasonable price, plus it’s made for easy installation. The older method uses traditional gears mounted on shafts, very similar to the way a manual transmission May 31, 2013 · The advantage of using a D300 (or even a NP205) behind a reduction housing/crawl box is that the overall size is about the same as a stock NP231/241 (because of the the case configuration of a parallel gear driven case vs a chain drive case). 15% high-range reduction, 104% low-range reduction. These provide a 181% reduction in low range with a ONLY 17% reduction in high range. GEARING AVAILABLE FROM 2. Released in 2005, the original Blackbox set the benchmark for advanced planetaryRead More Trail-Creeper™ 4. The low range provides a 2. 10 Spline Q/C Gears; 6 Spline Q/C Gears; Custom Machining; Marine Racing; Monster Truck Parts. 3:1, but I'm not sure. Wranglers are only available with "Command Trac", so the NP231 or NP207 are the only transfer cases available from the factory in any Wrangler model, except the Rubicon which uses an NV241. Jan 29, 2023 · The higher gear drives the two-wheel drive and 4-High 4WD system with a 1:1 gear ratio, while the lower gear is exclusively 4WD. Sumo Gear sets are made to OE specifications in Japan. The Np205 transfer case continues to be a popular choice for those looking to improve the off-road capabilities of their vehicles. 73 = 27. Give us a call if you have any questions or would like to place an order! SPLIT TRANSFER CASE: 8/1980-1/1990 4x/6x/7x Series (and 4. 03:1. Transfer Case: Jeep NP231 (23 spline) [AX-15]Jeep NP231 (23 spline) [NV3550 and TF999] Transmission:GM 4L60, GM 4L60E Early Model (1992-1997) and GM 700R4 California Residents: WARNING If your Samurai uses 31"-32" tires and want to get 5th gear back, these are your ticket. Our 3 to 1 low range gears are perfect for V-6 vehicles and 4 cylinder vehicles. Beginning in 1984, a chain-drive transfer case of lighter design was also used in Toyotas with Gear Calculators. 5 to 1. This is a true bolt-in doubler that couples to the stock Jeep transfer case or an existing Atlas transfer case. low and high). shift the 2nd case into low gear also and you double or more your gear reduction for a compound low range. 1. the extra gear reduction has given our Jeep the performance it lacked and confidence to The Model 20 Transfer Case is a four-position type that provides two gear ratios in 4-wheel drive, one ratio in 2-wheel drive, and a neutral position. supplier to one of the largest Japanese Automakers. Sometimes you have to grind the pan rail/opening to get the intermediate gear in also depending on which assembly order you go in. This functionality is achieved using constant mesh gears coupled with a sliding clutch or a planetary gear with a sliding clutch. Sep 6, 2023 · Do you have space to forgo gear reduction? Gear reduction takes up ___% of the space on an average transmission, allowing more room for batteries. Sizzling Summer Sale! | Up to 15% OFF | July 25th through 29th. oil type: Hypoid gear oil API GL-5; oil viscosity: SAE 75W-90; Amsoil's website: Front / Rear differential. And two questions and concerns came up. 70:1 gear kit for your gear driven Toyota transfer case. 17:1 = 17% reduction Low Range 2. Also Oct 1, 2023 · Maybe someday, someone will create a billet case and the correct gears to give us a 50% low/reverse reduction option but until then, we are stuck with what we have. Trai Jul 1, 2002 · From 1979 through '95, many Toyota trucks and 4Runners used a gear-drive transfer case: model RF1A. The 4. . Finding the right parts can be daunting when the transfer case needs repair or replacement. That kind of reduction will easily give you the power to turn your larger tires. Trail-Creeper 4. 9:1 gear set into my s sorry guys for the late upload this was originally recorded in Apr 22, 202. The Auto 4WD position allows the capability of an active transfer case, which provides the benefits of on-demand torque biasing wet clutch and easy vehicle tuning through a] Reduction section:-The reduction section in the transfer case provides two different gear ratios (i. 032 Aug 15, 2017 · The Doubler kit places a gear reduction unit (front range box) from an NP203 between the transmission and the NP205 using a billet aluminum adapter plate and a custom output shaft. Reactions: SuperATV and jon197719911989 Suzuki Jimny JB64, JB74 Trasfer Case Reduction Gears Designed to ensure performance, reliability, and strength every Sumo gear is precision machined out of high-quality billet material in Japan by an O. Our reputation, track record and satisfied customers are what make us the go to source for premium, high performance parts. 72 low range. Kits includes a gasket set and seals Converts transfer case from slip yoke to a fixed yoke for improved off-road durability and performance Designed with the most current design shaft found in the New Process Gear NP231 This current design shaft was introduced in 1997 Suzuki Jimny 2018 on JB64 JB74 Automatic Transmissions Only Fitted with Stick Shift Transfer box Specifications High-strength gears made from heat-treated & carburized SCM415 alloy steel. Trail-Creeper gears fit Toyota 4 Wheel Drive Pickup's and 4Runners from 1979-1995 with gear drive style transfer cases. Shop by Brand. The Black Box can be shifted between 1:1 high range for highway duty and a deep 2. This includes t-case components for 21-, 23- and 26-spline setups. Includes gasket material. A 1 3/4-27 spline input and output means you can easily install this gearbox in your vehicle as long as the input and output match. We now offer three different sets of Suzuki Samurai gears. 70 gear kit for your gear driven Toyota transfer case. Transfer Case Calculator; 20/30/40 and T/C/S Calculator; Circle Track Gear Calculator; Applications. 00. Sumo Gears are cut from JIS (Japanese International Standard) SCM420 Alloy Steel. Lower gears are an essential part of off-roading, especially if you drive a Suzuki/Tracker. it works out better in Jeeps which tend to have long front driveshafts and short rear shafts. 40:1 low range with a 17% high gear reduction. 1 2. 2WD/4WD Section: Oct 29, 2020 · We can help free knowledgeable technical support! We have a large inventory of rebuilt NP205 transfer cases plus Transfer Case parts. There is also a 4:1 low range reduction kit for the NP231. If you are doing 4. 8:1 Atlas 4SP unit, a 10. opinion on the Marks 43% gears installed in a 3litre auto. Our Jimny low-ran Oct 4, 2023 · Functions of a Transfer Case. A stock NP 203 has a shift pattern of: LowLock (2:1 gear reduction, Tcase differential locked to 4WD), Low (AWD, 2:1 gear reduction), Neutral, High, (AWD) Mar 15, 2009 · Transfer Case Gear Reduction Set. High range remains 1:1. New input shaft, low output gear, sprocket output gear, and counter shaft gear. 4 transfer case gears which are designed for the serious off-roader with rock crawling in mind. 000 Without Rears Transfer Ratio; Gear Ratio Tooth Count UNDERDRIVE OVERDRIVE; 1. 7:1 Toyota Transfer Case Reduction Gear Kit by Sumo Gear Company Transfer Case . LoMax 205 3:1 Gear set 10-spline with JBC case Sumo Gear Land Cruiser Transfer Case 3:1 Low Range Gear Set - Fits Split Case 8/1980-4/1986 4x/6x/7x Series. For this purpose, the transfer case uses constant mesh gears with a sliding clutch or it uses a planetary gear with a sliding clutch. It's a big brother to the 1356. High Range 1. NEWEST ADDITION TO THE TRANSFER CASE WORLD . Sumo Gear 6. tk ag wx dg oc mu yk kq uy ui