300,000 views just before the New Year! Thank you!!

By far this is the most comprehensive yet simple explanation of different differentials. Thank you, Ben.

What a professional! No errrs n' aaarrrrs, no derailings, just perfect execution of message. Subscribed!

Had a Detroit style locker before in a light vehicle. Annoying to drive both on road and off road. On road it was the worst if not being driven correctly. It would lock in a tight turn if letting off a little on the gas or started to engine brake. Needed to keep a certain amount of power or freewheel else it would lock up shaking and unsettling the car with screaming tires. Off road one felt there was lot of play in the system when in rock or uneven terrain. Very jerky because the wheel has to turn a little before power would be transmitted in the opposite direction. Every time the car would get over to the other side of a stone it would move an extra foot rolling before engine braking worked because of the huge slack in the system. It worked best when driven "hard" because then it would always behave like a spool.

THE best off road differential description ever. This presentation doesn't go overboard with sponsor support. 100% mechanics, installation, application and engineering. AWESOME video. Thank you!

I've come back to this video multiple times over a couple years. Amazing video.

Still relevant and full of good info 6 years later. Thanks!

I've been offroading for over 30 years, I have never seen a better explanation of different style traction devices!

Who needs years of TAFE and schooling when you have guys like this presenting in a way that is super easy to follow and actually retaining the information being shared in such an impactful way, being visual? Thank you for this share!

The best, most concise and clearly articulated presentation on this subject that I have ever seen. I’ll subscribe for more of this type of quality content.

Finally understood how TOR SEN diffs work. Thank you.

Thank you Ben! I was sold on an Eaton e locker but after watching this video I am seriously considering an ox Locker now.

This is by far the best discussion on this topic I've seen anywhere. Thanks for doing it.

I wish all KZfaq videos were this good. Heck, I wish any KZfaq videos were this good. Thanks, Ben.

Excellent video.....clear, concise, and easy to follow. Thanks for posting :)

This is the best video I have ever seen that describes every type of differential completely. It may be long but extremely well done and worth every minute to watch. Thank you for taking the time to do this. It had just the right amount of detail about each type to make them easy to understand but not confusing. Very well done.

If anybody is wondering why there aren't many vids on this subject, it is because of this video! ....very informative and very professionally done. Nothing beats a well presented, well constructed vid when broaching this sometimes confusing subject. Well done and many thanks.

fantastic video this is the best demonstration of the different differentials I've ever seen really really good video thank you for taking the time to do such a great job to educate the public five stars to you

I agree with so many others on here, this is the best explanation that I have ever seen. Thank you guys for putting this together! I hope that you continue to create more content like this.

I stumbled into this video, and am very impressed with this gentleman's ability to clearly explain this subject for 30 minutes. I've subscribed without yet knowing what else the channel contains.

That was the most clearly explained definition of differential types I have ever heard, and I have been rebuilding rears, trans & engines since 1976! Well Done my Man!!!

That was probably the best explanation of differentials I have ever seen thank you!

This is a really incredible video. One of the best I have seen on KZfaq for any subject. I just want to add that we have front/rear ARB lockers with 110K miles on them, and zero issues except for a melted plastic air line that was replaced with a stainless steel line. No leaks, no icing, etc. We can air up our 2 gallon ViAir tank (110PSI) and the ARB compressor won't trip (90PSI) for ~6 days. With front and rear locker *engaged*, and the Jeep parked, the compressor won't trip until ~3 days. Without the ViAir tank (we have a shut-off valve on the supply hose), the ARB's tiny manifold/tank will hold pressure for over a day before the compressor trips, and about 12 hours with the lockers engaged while parked. Note that we don't typically leave the tank aired up due to condensation and such. Anyway, thanks again for the awesome video.

This is the BEST comparison/explanation of all similar videos on KZfaq

I knew very little about diff's before this vid. Great detail without being long winded and the practical demonstration helped to bring it home.

At first I thought it was gonna be a long vid and im not gonna finish it, but when i kept watching I found out that this is The Best Differential break down on the internet! Thanks ben

Ben, that was spot on and a perfect video!! Thank you for taking the time to explain each set up. Plan on an Ox Locker in the rear of my Jeep. But was stuck on what to do up front, until I watched your video!! Very informative indeed. When I'm ready to order, after this video, I'll purchase from you!

Saved this video a good while back when I was hard looking for a non-open diff for my truck. Finally got around to watching it and you have earned at least a sub, like and comment. Great explanation on lockers and all their varying flavors! About to go check your website for inventory availability.

Hands down the best video I have found on information on differential traction modifications! When I get money saved up for a truetrac, I'll keep your website in mind for my purchase!

You did a great job explaining and really seem to know the products your selling. Based on this video, I would definitely give you my business!

Well done, informative vid. I like the 'real world' addition of the welded spiders. In 50+ years, I have never seen anyone who makes money selling aftermarket parts be as real as that. If I was still building toys that break parts, you'd have my biz. Good on ya'

Great video! Best explanation on KZfaq of what a locker is, the different types and how each works, and pros and cons of each.

I wouldn't consider it too long at all. Without doubt the best video on the topic I've ever had the privilege to watch. Thank you.

Great Video! I sent an Email question to Ben. Excellent explanations. Almost like going back to trade school. Air Lockers where just coming on the scene but in the farm tractors we have had them for years at that point. The rest were being used in automotive applications

Great video, really explained, especially for all us diy 4wheelers.Much appreciated keep up the good work.

Dude, my brain was growing and growing with each beaut of an explanation you gave and then right at the very end my brain exploded 🤯. So worth it tho, the fragments with come together as needed. Thanks man 🤘

I know it's already been said, but WOOWOOOWWWWEEE!! This was the most thorough, complicatedly simple description of THE DIFFERENTIAL and DIFFERENTIAL LOCKERS, that I have seen!! AWESOME JOB!! Thank you very much!!

Great VID. We have started showing this to our clients so they understand what they are getting when they buy a locker. Mike Walsman JeepFix West Jordan, UT

Very thorough, thanks for sharing your knowledge!

This has got to be the most thorough explanation of difflocking options. Really helpful

Thank you. It was sooo nice to see everything laid out so clearly. Great information. If this is your channel (clearly explaining things in a fact based way) I'm subscribed.

now thats a video I am looking for.. GOOD JOB

This is the best explanation on the tube. Gracias.

By far the best detailed, unbiased differential explanations I've seen. I was already leaning toward the Eaton True Trac's front and rear in my street and trail 2000 XJ, this presentation confirmed that for me. Thank you for doing such a great job!

Ben, I cannot begin to tell you what a benefit your videos have been to me as I roll up my sleeves and take on the restoration and modification of my '76 Ford Bronco. Your manner is clear, concise, logical and very easy to follow. You make a potentially intimidating amount of information easily understood. HUGE thanks to you for that! Now, a request for some advice: Both my mechanic and his parts supplier have been recommending to me that I install the Yukon Zip air lockers instead of the ARBs which I had initially requested. My choice of ARBs was based on what I sensed was a general consensus (from browsing the many boards available on the web, and not insignificantly your own stated preference) that ARBs were the superior product. My mechanic has installed the Yukons in quite a number of Bronco builds (his specialty), and his parts supplier makes the argument that in addition to the cost savings of Yukons over ARBs, they've seen far fewer issues over the last number of years with the Yukons coming back after installations than they have with ARBs. Also, apparently the warranty on the Yukons beat out ARB substantially (though one could rightfully argue that a superior warranty is completely worthless miles away from the road following a catastrophic failure). I respect my mechanic and his experience, and I am a little apprehensive of taking the parts suppliers advice due to his obvious bias as a Yukon dealer (he can get the ARBs, but does not generally carry them). So, my question to you: if you were me, how hard would you fight and how much push back would you give on this issue? Is the internal composite cage a significantly weak link in the system to be of concern? You've been reassuring in the video regarding both products, gently stating your preference for the ARB. And I'll take it for granted that my mechanic will be attentive during the installation to be sure it is done properly and competently. I am a relative neophyte, and to me there is value in establishing my trust in my mechanic (which I generally have), it's just that an air locker is a substantial expense and a really difficult part to swap out. Just looking for your 2 cents. Again, many thanks!

this is by far the best explanation on the plant!! thanks .

Great info mate, cheers. Wish I had found this before I suffered through hours of contradictory videos. Subscribed.

By far the most comprehensive and clear explanation on lockers. I have not mechanic experience and understood all. Great Job. Tks

By far the best differential video on KZfaq period and I have seen most of them. You earned a sub

Love my Detroit Lockered Dana 60, it's got my old 3/4 ton 2wd in and out of places where open diff 4wd fear to tread. Decent street manners too.

OUTSTANDING PRESENTATION BEN! SUBSCRIBED! THANKS!

What else are you so knowledgeable about. You are a real pro at explaining. I'm so grateful for your ability to convey the info correctly and your effort to make all the info comprehensive. I almost want to become a technical mechanic. Thanks.

I knew all this but i still watched the whole video... for the second time. This would be my go-to video if anyone needed to know. I liked how you know what you're talking about and didn't look like you were reading off a script, makes it more fluid and natural.

The best locker/diff information video I have seen.

great explanations... brilliant

BEST VID ON YT . Very clear ,concise and well presented . I work in the aftermarket for a very large WD ... how anyone can give this vid a “thumbs down” ... is waaaay beyond me . Smh

Amazingly informative video that covers a really needed explanation on a topic that not so many covered so well!

Thanks, that was the best explanation I've heard.

I've seen several videos on this subject, this is by far the best of all, thank you very much for sharing, I took the liberty of sharing it on my group page... hope you don't mind.

Excellent video. I watched the entire thing and even managed to learn a couple things. Great tone and script, you're super easy to understand too.

I understood all this but watched in its entirety just because it's so well presented. Thank you!

I literally have probably only taken the time to leave one or two comments on a video in my entire 10+ year KZfaq career, and after being glued to this video from start to finish, I feel compelled to offer my sincerest gratitude for this thoroughly comprehensive overview. If only you had a tutorial for any/everything anyone ever wanted to learn about, would probably be the biggest lifehack of all time.

Excellent description of the Eaton Truetrac. I agree, it is a brilliant mechanical design. It’s worth noting that they can make a “pop" or "boom" when unlocking...especially on dry pavement in a tight turn. I thought I broke something the first time I heard it.

At last, someone who knows what they’re talking about and presents it in a way that’s easy to understand. Brilliant!

This explanation was utterly FANTASTIC!!! Clearly explained and easy to understand. VERY well done!

You are the greatest explainer ever! I want to ask you how everything works!

Actually I have trained my dog to engage and disengage my Ox locker on command. He is also a good navigator unless he loses concentration if he spots a pretty bitch on the trail. Seriously though, this is by far the best analysis video of the different forms of differentials that I have ever watched. Good job.

An excellent presentation! Using ARB lockers in my Ibex, but fascinating to see how the other variants work. Hope you have a good 2018.

Wow, great video. I have been thinking about Ox or ARB in my Bronco and the in depth explanation has really given me a lot to think about.

Great vid. I’m just confused now, didn’t know that exist so many diffs any lockers for my old 98 Hilux 🤨

One Ox manual locker, please.

Wow, thanks for making a great, informative video. Your channel deserves more subs!

Hands down the best video anywhere explaining the different types of differentials and how they function!!!!!!!!!

The OX can be locked by air, electric, mechanical, or the drive away lock. That's four options while being just as tough and costing less than an ARB.

So I could run a spool on my front diff on a tacoma, since I have Manual warn hubs, which means I can disengage my axles from front diff at the wheels when I don’t need 4x4. Would this be a good cheaper option for me????

Wow! Very informative. Best description of all the lockers in one place I have ever seen. Now I have to choose between the ARB or Ox Locker.

Probably the most rational and clearest definition and explanation of how these things work. I'm not a mechanic but I now I understand

The Harrop/Eaton lockers (at least for the 80 series land cruiser) no longer disconnect between front and rear.

I think a Candy Machine Maker invented the True Trac idea.. Being the owner of Walter Trucks . The Detroit Locker Detroit True Tack I think they have been bought out is why the name has changed over the years.. I had one in the rear axle of a Tandem axle Truck .. It helped not to get stuck but was a real pain in the road.. You have to let off on the gas pedal to get it to unlock not so good when you are pulling a loader on a trailer up a steep drive and pulling into traffic and turning .. With a Detroit Locker only the wheel on the out side of the turn breaks loose and free wheels.. thus if you are under power it won't disengage which would cause the front wheels of my truck to slide sideways while turning ..

One of the best videos I’ve seen on KZfaq. Definitely five star. Thank you.

One of the most informative videos in locking differentials. Congratulations excellent job.

Yes this video is long , but well worth the time spent.

My dad has a 2005 Silverado 2500 HD with G80 and it has 200k with no issues and still locks up fine.

I just learned a whole bunch. Clear, concise and informative as all get out. Thanks for posting this.

I really appreciate the time and effort you put into explaining all aspects and type. Really helped clear my head and narrowed down y choices. My JK is about 75% road and 25% offroad. Good job and thanks!!!

Dang that ox locker is awesome. I just put in a Eaton e locker though.

I want a torsen installed on my tacoma. . what kind of shop would you recommend?

He most definitely made a complicated topic very simple to understand while being extremely comprehensive.

Excellent presentation, you answered questions I did not know I had and I like the bit at the end " simply weld the gears together, not to the case, just weld the gears together". Someone, somewhere must have:)

Wish someone made a 35 spline (detroit) locker for a 12 bolt. I have a spool now for drag racing and it works but it's pretty hard on parts given the two 180 degree turns at my drag strip.

Best video I've seen. Question for you about the torsen. My application is endurance road racing on tracks like Sonoma. I understand that when you are going around a corner with no throttle, the torsen allows the wheels to spin at different speeds. My question is, if I begin to throttle in the corner, will the torsen continue to allow the wheels to spin at different speed, or will it effectively become a locked dif. I have used a friction LSD and experienced significant single wheel spin exiting corners even after replacing the clutches. I have also used a Mini Spool (because I don't trust the bearings in a c-clip eliminator kit to last an endurance race with a full spool). I have much better grip and acceleration out of the corner with the mini spool, but experience significant understeer and increase in front tire wear as a result of the rear tires wanting to continue in a straight line. FYI, this car never sees public streets. Thanks again for the great video.

I've watched many videos on this subject, this is by far the best. You absolutely know what you are talking about, thank you!

Both diffs just exploded in my jeep tj and this demonstration is way better than a thousand forums and hours of research. Looks like a torsen unit is going to be a perfect differential for my personal needs.

How do vacuum actuated lockers like the ones in the Nissan Patrol work?

HOLD IT! At 4:09 - the small clutch pack. "Very similar to what you would find in a MANUAL transmission..." I'm certain you intended to say AUTOMATIC transmission. OK. Carry on. :-) Good job overall. I remember the Eureka moment I had in 9th grade when I had a differential cutaway I could play with and finally see it for myself. It's very difficult to comprehend without one in your hands.

These are the best explanation of diflocks ever! Well done! Best greatings from Slovakia.

This video is far and away the best, detailed and most easily understood lesson on differentials I have seen. Thanks for making the effort to produce it. I have seen it before but wanted to refresh my mind about Detroit Locker operation, so it took a bit of effort to locate that segment of the video, but I did eventually get to it. I did however pick up a mistake with the Torsen explanation. Relating to the basic principle of operation, the narrators says, "a worm gear can drive a spur gear but a spur gear cannot drive a worm gear" What he meant to say was, "a worm gear can drive a WORM WHEEL, but a worm wheel cannot drive a worm gear." The worm wheel and worm gear are meshed, the spur gears are on the END of the worm wheels and do not touch the actual worm gear. They only mesh with each other.

sounds like the torsen diff is the best route to go.hhhmmmm

Exceptionally comprehensive explanation of lockers minus one issue... torsen style diffs, like the truetrac, freak out when both tires are on ice. I found that out on my Jeep XJ when the rear end swung from side to side when I hit some black ice at 60 mph here in Colorado. This wasn't just a little swing, but more of a full blown watusi that even the best of your favorite club dancers couldn't replicate. ARB air lockers for me from then on out. Only thing that saved my life was mashing the transfer case into part time 4wd "RIGHT NOW" at speed and it straightened up. Great diff for everything else, just tap the brake if a wheel gets off the ground on rocks, great on sand, mud, gravel or even if a wheel gets in a soft shoulder and one on pavement.Awesome in snow too. Ice? Holy crap, hold on to your wheel and say a prayer because you may be going forward looking through your rear view mirror.

The most clear explanation of lockers and differentials I have ever seen. Thx for the vid.