Dana 20 output shaft

Dana 20 output shaft. If I keep it I am definetly going to upgrade the rear output shaft. Sep 19, 2019. The front output shaft on my Dana 300 is cross-threaded. Mar 29, 2020 #1 Does anybody sell One problem area is the output shaft. FITS DANA 20 & DANA 300 EQUIPPED JEEP: 67-73 Jeep C-101 Jeepster Commando; 72-83 Jeep CJ-5 This shot shows the Dana 20 input gear attached to the doubler adapter via the output shaft of the custom machined (shortened and re-splined) 203 output shaft. It has a backwards J-shift pattern. Joined Feb 17, 2010 Messages 231. Thread starter 67broncorebuild; Start date Dec 7, 2009; 67broncorebuild Sr. pdf - Novac: Rebuilding the Jeep / IH Dana 20 Transfer Case - A good post on removal and installation of a Dana 20 in a Bronco - xcntrk write up on modifying the shift rails Crown Automotive J0052799 Rear Output Shaft Inner Bearing for 72-79 Jeep CJ with Dana Spicer Model 20 Transfer Case & 80-86 Jeep CJ with 300 Transfer Case Item: 52200-01 MFG#: J0052799 May 22, 2013 · Dana 20 Output Shaft Assembly Rebuild Without Removing T-Case from Rig - You Tube Video. 5" when measuring the outputs, so I think they are wrong about the 5. Mar 18, 2023 · Rebuilt my transfer case (J-shift). Turbo 400 to Dana 20 Adapter $310. Jun 11, 2016 · In the process of rebuilding my Dana 20 Transfer case, and just completed the rear output shaft assembly. Front Output Shaft Bearing; 2 Required. Dec 19, 2022. The factory bearing/shim cover is one of the few notorious locations a leak can be found on the Dana 300 case. 0 out of 5 stars. Bronco Dana 20 (5) It is also an important benefit of the AA output kit - as you cannot hang the 1350 CV shaft from the old stock 10 spline output shaft and 1310 yoke. ***(My picture shows a comparison of 3. The stock shaft is a wimpy 1 1/8"-10 spline, the HD shaft is 1 3/8" 32 spline. Nov 22, 2021 · The Dana 20 in my scout currently leaks for both output shafts. Although the stock Bronco Dana 20 transfer case is extremely reliable and heavy duty, one of the weakest links in this t-case is the stock Dana 20 rear output shaft. Jun 29, 2004 · There were two different sized shafts used. Irony - the Dana 20 was very hard to shift low to high and vise versanow its easy to shift. Model 20 Inspection. This 32-spline Extreme Duty Rear Shaft is 25% larger in diameter and 50% stronger than the stock 10-spline shaft. It will also fit some older Dana 20s that had 26 spline output shafts. Our front output shaft kit features an all-new precision machined output shaft equipped with the same 32 spline configuration found on the NP205 transfer case. 2-4-5341) however a 1350 non-CV yoke option is available from us. 34:1 Ratio, 73-77 Ford Bronco Part #5085 May 19, 2020 · Advance Adapters Dana 20 32 Spline Output Shaft Kit (part one of building the Uber-20 Transfer Case) By BillaVista The Jeep Dana 20 transfer case is a fine, strong, compact transfer-case. New for the Dana 300 was a round, circular six-bolt front mating surface pattern. Kirkland Nov 30, 2021 · I finally got all of the bearings/seals/shims to correct the 'rear bearing cap' assembly on my Dana 20 transfer case in my '77 J20. We offer a heavy duty tailhousing kit for the Jeep Dana 20. Dec 7, 2009 · Dana 20, seal for front output shaft. Same transmission and bellhousing adapter was also used on the Jeepsters/Commandos with the Buick-design V-6. Don't know if this makes any difference. Mar 15, 2010 · Hello again fellow cjers. DANA 20. One problem area is the output shaft. Extreme Dana 20 Output System Kit By far one of the weakest links in your Bronco's drivetrain is the stock Dana 20 output shaft. 5. Our kit comes with a 1310 CV yoke (reference Spicer Part No. In doing so, I’ve found that the current washer/spacer had pressed itself onto the shaft, past where the c-clip was supposed to be (which. All 4wd T90 transmissions have a 1-3/8" x 6 spline output shaft for mounting the transfer case input gear. Most rear wheel drive transmissions rely on the counter gear to spin to splash oil to the gears on the output shaft and feed the pilot bearings between the input gear and the output shaft. 00 J-Shift Dana 20 Transfer Case w/Adapter Gear, 2. 187" and use a 14116 cone. The TH400 output shaft is 32 spline The TH400/BW 13-39 shaft sticks out about 9" and is 10 spline Dana Spicer Model 20 (Jeep & IH, 1962 - 1979) The Dana 20 is found in 1962 -1979 Jeep vehicles. With its 25% larger diameter, the 32 spline Extreme This shaft (in factory dress) always has 23 female splines. 99 and the gears are 1500 and change. The only thing I can find in my research is a reference to a 16mm x . The Dana 300 has two different stock tailhousing lengths (approximately 4. Seems like that o-ring never seals correctly. That front bearing is pressed on, just like the one at the rear, that you you used the clam shell puller on. The stock Dana 20 output shaft is a 1-1/8” diameter 10 spline, and our new output shaft is a larger 1-3/8” diameter 32 spline output. i do remember there being an o-ring on the output but according to hughes thats the long shaft with the o-ring. Madgyver. Joined May 29, 2008 Messages 426 Loc Feb 14, 2010 · Dana 20 Output Shaft Bearing "Pre-Load" or set end-play. Both cases benifit from a HD rear outputshaft upgrade? (i can do that to my T) Alot of guys take the J shift and just install the T-shift LOW gears? (I already have that in my T) Is the j-shift front output shaft alot stronger? Jun 12, 2005 · 4", same as the EARLY 4wd TH400 and the short-shaft 2wd TH400's, but the output shaft on the one mated to the D20 had an O-ring, which I don't know if it would be on other applications with the same stickout. C. tmbonnett; Sep 10, 2019; Bronco Tech; Replies 5 Views 843. HD Rear Output Shaft Kit for Dana 20 Transfer Case Part #5074 $540. However, the rear output shaft is not as strong as it could be. Full Dana 20 Rebuild with Timestamps:0:59 Layout1:51 Rear Output Shaft Assembly7:47 Shift Rail / Shift Fork Assembly12:51 Front Input Assembly19:54 Rear Outp Mar 8, 2023 · Dana 20 Rear Output Shaft Replacement Without Removing Transfer Case on a stock 1976 Ford Bronco. Last week we hit the woods and the snow was so deep and slushy that I used 4wd most of the way around the roads. The only other thing I can think of is there being a space between the output gear on the transmission and the rear output shaft on the t-case, not allowing the slider gear to fully engage. This, like the T150 transmission, was very intimidating due to my lack of knowledge Dec 6, 2016 · Step 1: Prepare the new output shaft seal. I want to know how to build a heavy duty dana 20. Thread starter JKH67302; Start date Jan 16, 2022; JKH67302. <br /> Apr 26, 2013 · Don't know about transmission output bearing, but the transmission was rebuilt about 20 years ago. The stock Dana 300 output shaft is a 1-1/8" diameter, 26 spline. Complete with new output shaft seal. The IH Scout version of the Dana 300, built only in 1980 - IH's last year in the light truck market - has the same "backwards Texas" bolt pattern and transmission mounted input gear as did the Dana 20 found in previous IH vehicles. The stock rear output is known to be weak and is no match for lower gears, big tires, and V6 / V8 engines. D20 Gasket & Seal Kit, Dana-20: $29. The rear shift fork can help keep the rear sliding gear in position with a heavier Mar 10, 2006 · Needle Bearings on Dana 20 Output Shaft. It's design was outstanding and remains one of the strongest and most refined of all the popular transfer cases. excluding shipping. Mar 8, 2023 · I have rebuilt a few Dana 20s over the years but always with the T-case removed. Some Scouts also use a 26 spline front output that will bolt in as well, the only issue is there is not a lot of yokes for this output shaft. 5" for the long output)*** Transfer Case Components, Rear Output Shaft Shims, Dana 20, Dana 300, Set. -Rear worked as it should. Mar 14, 2019 · Dana 20 Output Shaft Bearing "Pre-Load" or set end-play. All 66-72s shift in a straight up and down pattern while the 73-77 used a J-shifter. Joined Apr 25, 2009 Messages 186 Aug 22, 2017 · Dana 20 output shaft play Jump to Latest Follow 1K views 2 replies 2 participants last post by skizriz Aug 23, 2017 Heavy Duty Output Kits; Dana 300 input shaft with a 32 splines $221. I'll have to look at it underneath to see if it fully Jan 24, 2011 · The Dana 20 doesn't have that clocking like the Dana 300. Specs: Spline Count: 26 The Dana 20 is found in 1963-1979 Jeep CJ-5, Jeep CJ-6, Jeep CJ-7, Jeepster C-101, Jeep Commando C-104, Jeep J-Series Truck and Jeep SJ Wagoneers. Output Shaft Gear (Front) Log in to see price & stock. 26 spline yokes fit Dana 300, the front of an NP231J, some model 20 transfer cases, as well as a few other applications. Thanks, Jun 12, 2007 · I am wondering if the dana 20 is strong enough for this set up. j-truck / waggy) wanting to switch to dana 300 using the 208 adapter. Estimated Ship Date: Tuesday 5/28/2024 Output Shaft, Front Dana-20 1973-77: Item Number: 11635A Be the first to review this item: Unit Price: $40. Dana 20 rear output Dana Spicer Model 20 (Jeep & IH, 1962 - 1979) The Dana 20 is found in 1962 -1979 Jeep vehicles. 00. With the increase of horse power and the reduction of gears, more stress and strain gets put on the transfer case output shaft. Wash all parts thoroughly in a suitable solvent to facilitate inspection. Contributor. The shaft, with the two front gears and the one bearing on the front of the shaft, needs to be pressed out towards the rear. OldBlue76; Mar 8, 2023; Bronco Tech; Replies 7 Views 674. i understand there is three output lengths i also have searched and it seems the setup i am runnning has the short shaft. Its my understanding that when the output bearing goes out it can cause gear misalignment between the gears on the intermediate shaft and the output shaft and the t-case will pop out of high gear. You can get a complete case with gears W/Trade in for 1799. If you replace one gear relative to a change in axle gear ratios, they have to both be replaced. Jun 26, 2012 · Dana 20 Output Shaft Bearing "Pre-Load" or set end-play. Jun 6, 2004 · ok here's my plan. Other aftermarket companies have put together shaft kits to address this problem however we feel that our kit is beyond compare. com Our completely assembled ready to bolt in Extreme duty Dana 20 output system makes replacing your 20's old output shaft a breeze. No driveshaft modifications are necessary when replacing a manual three speed that was mated to a V-8. Set of 13 Output Shaft Needle/Roller Bearings for use with Dana 20 Have you ever removed your Dana 20 transfer case only to have your needle bearings scatter all over the floor and get lost? There are 13 of them you need to find. I am under 4000 pounds. DANA 300 '63-'86 TRANSFER CASE: REAR OUTPUT SHAFT SHIM KIT . Some of the 2wd TH400's use a shaft that is the right length, but it does not have the o-ring groove in it that is needed to seal inside the adaptor spud shaft. It is also found in IH and Ford vehicles as well as a limited run of GM trucks in the early-mid 1970's. Dana 20 rear output (4) Place rear output shaft shift fork in proper position in case. In the Wolf, the shaft is simply the stock 203 range box output shaft (that would have driven the chain-drive gears in the stock case) that is cut down and re-splined to accept the Dana 20 input gear. Conclusion Jun 9, 2011 · It's actually a Tera Low 18 gear set in a dana 20 case and is equipped with a warn/saturn overdrive. On the front output shaft, there's supposed to be an o-ring to seal the splines. Front output shaft and bearings, shift rails and detents are also different from early to later Dana 20s. Use a hammer and smack the seal installer to draw in the seal into the output shaft housing. can someone help clear Sep 20, 2007 · The snap ring-less output is also the exact same as the Jeep and Scout 10 spline Dana 20 front output as well. Does not fit 10 spline output shafts on Chevy 205 transfer cases. Aug 19, 2014 · The stock dana 20 output is known to snap (search here for loads of threads about it). Output shaft seals-Timken #450185 Shift rail seals-CR #6204, Timken #471466 The rear output shaft was centered or in line with the transmission output shaft. Feb 27, 2018 · The Dana 20 transfer case is a medium-duty, gear-drive unit that was manufactured from about 1962 to 1979. 112" Thick for Dana 18 & Dana 20 Increase Quantity of QU15065 Front Output Thrust Washer, 0. We offer a heavy duty tailhousing kit for the Jeep Dana 300. I didn't want to remove the transfer case as it only needed new output bearings, so I did it with the T-case in the rig. Includes output shaft removal, overhaul and reinstallation. i presently run a th400/dana 20 (factory app. Jun 8, 2021 · Hi guys, I’ve been working on tearing down my Dana 20 to figure out the root of a nasty vibration I have. The service manual talks about endplay, and I understand that adjusting this is what the shim pack on top of the speedometer gear is for. -Hand spinning yoke on rear of Dana 20 has a bind in one spot in one rotation - not consistent, but often enough. Dec 18, 2006 · Jeep-Short Wheelbase. I am wondering in any one know the thread size and pitch for the output shaft. Another indepth dive into a CJ7 drivetrain component with a lot of gears. Haynes says to "remove the set screw, poppet ball and spring plugs" Then the next step (6) is to "insert a punch through the pin hole in the rear output shaft shift rod, rotate ¼ inch counterclockwise and pull the rod from the case. tmbonnett. So, your call as to whether it's an "upgrade". OldBlue76. 00 In Stock: Quantity Used 1973-77 Ford Bronco Nov 10, 2020 · -Removed drive shaft, put T150 and Dana 20 in neutral. Dana 20 rear output Oct 11, 2002 · Dana 20 Front Output shaft Jump to Latest 5K views 5 replies 4 participants last post by cwate Oct 17, 2002 The original Dana 300 rear output shaft is not as strong as it could be. Estimated Ship Date: Today Nov 20, 2019 · Dana 20 Front Output Shaft Seal Question. The Novak Dana 300 front output rear bearing caps were designed as an upgrade to eliminate any gear oil leaking from this location. This unit is roughly 1. I've tried more shims, I've tried fewer shims and it doesn't seem to make a difference. I've tried endplay from zero to . Both bearing cones use the same race or cup: Timken 14276. I am not aware of how to tell which front output shaft you have without dis-assembling it. It has brand new seals and I have used ultra black under the washer to seal it that way. Everything seems fine EXCEPT I cannot get the rear output shaft correct. Most people just put a glob of RTV under the washer when they put the yoke back on the output shaft Decrease Quantity of QU15065 Front Output Thrust Washer, 0. This output shaft was designed and engineered by Wild Horses of Stockton Mar 20, 2011 · I have moved the rod to the rear and removed the set screw in the fork going to the rear gear. Anyway. Member. Jan 16, 2022 · Dana 20 WH Extreme Output Shaft Conversion help. This kit features a new 1 3/8-inch 32 spline rear output shaft, 356 T6 heat treated aluminum alloy tailhousing, shims, bearings, fastening hardware and detailed instructions. Jan 5, 2015 · The 1981 and later versions had a longer output assembly (about 5-1/2") to house the larger, eccentric style speedometer driven gear and its driving gear, integrated into the output shaft itself. All 1350 shafts can be special ordered from WH. 1963-1979 Jeep SJ Wagoneers w/Dana 20 Transfer Case The Jeep Dana 300 transfer case is a strong, compact transfer-case. Check the case for cracks that may run from the intermediate shaft bore down to the bottom cover surface or from the output shaft bearing bores down to the bottom cover surface. products. The speedo drive gear which is attached to the output shaft and the driven gear, which is the one the cable attaches to, are a matched set based on final drive ratio. T150 and Dana 20 rebuilt recently. Once I get the flange torqued, it is very hard to turn. Years of wear and tear, heating and cooling, as well as the demands of off-roading takes its toll on the output shaft. Dana 20 Shift Knob (U-Pattern) $45. (5) Set new rear output shaft sliding gear on shift fork with slot in gear facing rear of case. 00 for the HD shaft. Dec 15, 2014 · Dana 20 Front Output shaft - T-Type. Dana 300 Front Output Rear Bearing Cap. My Account. 73. We are proud to be the manufacturer of a 32-spline output shaft for the Bronco Dana 20 transfer case. OldBlue76; Dec 13, 2022; Bronco Tech; Replies 2 Views 820. Nov 27, 2008 · Earlier CJ-2As and CJ3As did not use the Dana 44. Jr. 5. Ordered a new seal and installed it, problem cured. The Dana 20's design was outstanding and remains one of the strongest and most refined of all the popular transfer cases. I can just swap in the "new" one. 25" "long tail" and 3. We now offer a new, larger 1-3/8" diameter 32 spline output shaft for this transfer case. Feb 20, 2021 · I just now finished completely disassembling my spare dana 20 transfer case. Get a tube of oil resistant silicon and place a fine film of silicon on the shell (outside area) of the new output shaft seal. Step 2: Get a seal installer tool that is made for an output shaft seal. Jul 16, 2004 · The lip seal seals the outside of the yoke. 5” longer than your stock tailhousing; however, you do gain the option of calibrating your speedometer to compensate for a different axle ratio and/or larger tires. (7) Insert front output shaft gears, thrust washers, and bearing in place and slide output shaft through both gears. The original ma Jan 12, 2004 · You need a Th400 with the short 4wd output shaft. The kit includes a new end yoke, bearing and small parts kit. 75 and a 20mm x 1. The previous Texas bolt pattern from the Dana 20 had been retired with the exception of the Scout Dana 300. Thread starter 36Fan; Start date Mar 29, 2020; 3. 32 spline yokes fit most slip yoke eliminator kits for the NP231J, the rear output on any 203 or 205 with a fixed yoke type rear output, the front output on a It will allow you to install a 1350 Series Half Round CV Driveshaft to the Front or Rear of your Dana 300 Transfer Case. To fix this, there are a couple things C-4 to Bronco Dana 20 Adapter This adapter consists of a new aluminum housing, custom C-4 output shaft that is identical to the stock Bronco C-4, bearing retainer, seal and gaskets. Thread starter DanWheeler; Start date Mar 10, 2006; DanWheeler Bronco Guru. Joined Apr 9, 2017 Messages 248. Joined Nov 8, 2005 Messages 2,549 Loc. 52-0208. 2 (14131) - Front output shaft bearings 2 (14276) - Front output shaft bearings 1 (15117) - Rear output shaft bearing 1 (15245) - Rear output shaft bearing 2 (15655) - Output seals 1 (18662 About the only weakness we've seen on the Dana 300 is the output shaft. Add to Cart. Oct 17, 2013 · I really am in a bind on my Dana 300. My Dana 20 is a ‘73, and has a Teralow gear set. Both units are very compact, so if you remember the input/output configuration, it’s easy to differentiate Sep 21, 2009 · If the output shaft of the transmission is driven with the transmission in neutral then the counter gear is not being driven. 3" longer than the stock output. A few months ago I notices my front output shaft was leaking on my transfercase. This output shaft was designed and engineered by Wild Horses of Stockton In this video I show how to sue my pullers to replace the output seals on the spicer 18 and dana 20 transfer cases. The output shaft is much stronger than stock, so I'd say that's a good upgrade. 70. 00 D20 Master Bearing & Seal Rebuild Kit, 66-72: Feb 23, 2005 · I don't have an exact measurement but it's about 4" or so for the TH400/Dana 20. If you would like a puller set of your ow Jan 2, 2012 · The bearings on the rear output shaft are "inboard" from the rear sliding gear. 25" "short tail"). This transfer case is compact, light, durable, simple to build and capable. 36Fan Full Member. Part Number: CWA-J0933743. It is a part-time, manual-shift t-case that was found in Jeep, GM, Ford, and some (4) Place rear output shaft shift fork in proper position in case. The output shaft kit is approximately 1. The output shafts are going for 399. Jun 10, 2012 · Here are some other useful links when working on your Dana 20: - Dana 20T rebuild small. All necessary gaskets, seals, and bearings needed to rebuild a Dana 20 transfer case, 1973-77 J-style also includes thrust washers,and detent balls. My Shopping Account. The helical input gear itself is mounted on 30 splines. That's also why it lies Our completely assembled ready to bolt in Extreme duty Dana 20 output system makes replacing your 20's old output shaft a breeze. They're just a different ratio. This Dana 44 uses 11" drum brakes and the most common ratio is 3. But the TeraLow gears are not any stronger than stock. Advance Adapters Dana 20 32 Spline Output Shaft Some information provided by Advance Adapters The Dana 20 transfer case is a good, strong cast iron transfer case; however with the introduction of the various low gear options for this unit and the popularity of rock crawling, a growing concern for drivetrain reliability has materialized. OldBlue76; Dec 13, 2022; Bronco Tech; Replies 2 Views 836. 00 plus the 400. Starting in 1972, the Dana 20 transfer case was used which has the rear output shaft centered, so the rear axle has the differential in the center. That is close to the Atlas pricebut you don't have to change any mounts, driveshaft etc. Dana 20 Rebuild Kits WILD HORSES kits include all the bearings needed to build your early and later model Dana 20. 312" and use a Timken 14131 cone while the later shafts are 1. That's why it's the basis for my Uber-20 project to build the best damned Transfer case ever at home, which you can read about HERE. Locked; FL Dana 20 Front Output shaft Needed Mar 29, 2020 · Dana 20 front output shaft. Oct 29, 2023. It features dual modes (2wd + 4wd) and dual ranges (Hi + Lo May 13, 2014 · Dana 20 output seal? Thread starter KBUCK1; Start date May 12, 2014; KBUCK1 Sr. Jeep C104 Commando (1972-1973) w/ Dana 20 Transfer Case. This unit uses a 1350 driveshaft flange so you can install a very heavy duty 1350 series drive shaft. Worth the upgrade if you've ever seen a sad bronco on the side of the trail with a broken output. NEWS PARTS JEEP & 4x4 ATV & UTV It has a backwards J-shift pattern. 5" to 4. From 1972-1975 the Dana 44 was used with a 30 spline flanged axle shaft. PLEASE MAKE SURE YOU HAVE 26 SPLINES IF BUYING FOR A DANA 20. I went to install the bearing races into the cast housing, and of course, the bearing race spun in the cast housing, because it got way too hot. 112" Thick for Dana 18 & Dana 20 Add to Cart Quick view Oct 21, 2017 · I have a T-shift now and it shift like butter. In non-doubler installations, this D20 input gear will be on the transmission's output shaft. Any thoughts would be greatly appreciated. Has anyone run bigger tires with the dana 20 or know the strength of this transfer Felt Seal for Output Shaft, fits 1963-79 Jeep CJ, C-101 Jeepster, J-Series & Wagoneer with Dana 20 Transfer Case. The older front output shafts are 1. Thread starter Dyehard; Start date Nov 19, 2019; Dyehard Full Member. ONLY SOME MODELS CAME WITH 26 SPLINES, MOST CAME WITH 10 SPLINE. 4-to-1 gears, larger tires, and V8 engines have been responsible for many OEM shaft failures on stock Dana 300's. All necessary gaskets, seals, & bearings needed to rebuild a Dana 20 transfer case, 1966-72 T-style also includes thrust washers, and detent balls. $485. The job of the adapter is to mate the 2 cases together and support the shaft that transfers the power from the 203 to the transfer case. Dana 20 Transfer Case Rebuild Kits. OldBlue76; Dec 13, 2022; Bronco Tech; Replies 2 Views 777. WILD HORSES kits include all the bearings needed to build your early and later model Dana 20. Luckily it is only cross-threaded at the very outer most point. Apr 26, 2003 · Jack warranties his gears and output shafts for 1 year. Our completely assembled ready to bolt in Extreme duty Dana 20 output system makes replacing your 20's old output shaft a breeze. In fact before I re-installed the old shaft I took measurements and called Jesse at High Angle to order my new driveshaft. If there is play in the rear output shaft, the shaft can cock slightly, allowing a misalignment in the rear sliding gear and allowing it to be pushed forward to the neutral position. Nov 19, 2019 #1 Jan 1, 2012 · Identifying it:The rear output shaft of the Dana 20 is in-line with the input shaft. I really like the size of this set up, and would like to use it, but don't want the dana 20 breaking alot. See full list on novak-adapt. Am I having a aneurism or would this possibly work and hopefully not cost me $1k+ in parts and adapters. T90 was available attached to the Dana 20 in the 1962 Dana 20 Rear Output Shaft Upgrade Kit. 3" longer than the stock output so it is possible that the rear driveshaft will need to be shortened. I got a second Dana 20 that I was planning to rebuild on the bench so that there is minimum down time. 005" Dec 3, 2019 · Have a spud shaft made and use the Quadra trac adapter to mount the Dana 20 behind it. (6) Install rear cone and roller on front output shaft. Jan 25, 2010 · The only upgrades mentioned so far are the upgraded output shaft and a new gearset from TeraLow. 2 (14116) - Front output shaft bearings Transfer Case Components, Rear Output Shaft Shims, Dana 20, Dana 300, Set. The rear output shaft on the Dana 20 transfer case is known to wear down and leak at the rear yoke after years of use. pdf - Dana 20J manual. laz bbtxi patfz cbmxgpp zfq pfoa ptgknqx oibf shlpw hfwhs