Harrop Eaton E Locker vs ARB Air Locker vs TJM Pro Locker Diff Locker REVIEW | ALLOFFROAD
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- เผยแพร่เมื่อ 13 มิ.ย. 2024
- WATCH THIS VIDEO BEFORE YOU PURCHASE ANY DIFF LOCKER
Did you also think there are no differences between
the different types of lockers, for example, Harrop Eaton E Locker, ARB Air Locker or TJM Pro Locker? Think again!
After having used many different types of lockers in my vehicles over the years, for instance, ARB Air locker, Ashcroft Air Locker, Maxi Drive vacuum Locker. Not too long ago I installed a set of front and rear Harrop Eaton e lockers in my Toyota Landcruiser 105 and found during some technical driving that the e-locker has a different engagement mechanism to the ARB Air Locker or TJM Pro locker. This was something myself, and most people I know were not aware of, and it is not something which is advertised when you purchase an e locker.
In this video, I will do a diff locker comparison and what difference the individual locking differentials could make to your driving.
However I will not explain how differential locks also called lockers work in general.
I will compare the three most sold lockers in Australia the Harrop Eaton E Locker, ARB Air Locker and TJM Pro Locker and show how their engagement mechanism works and offer my opinion which locker may be right for you.
Depending on your vehicle and driving style not every locker is suitable in my opinion but this video will help you to see if a Harrop E-locker, TJM pro locker or ARB air locker is suitable for you.
Please also check our the Channel from our friend at Filthy Motorsports who provided the inner working of the e locker and ARB AIR Locker
/ @filthymotorsports
TJM Pro Locker:
www.tjm.com.au/prolocker/
ARB Air Locker:
www.arb.com.au/air-locker/
Eaton Harrop E-Locker:
www.harrop.com.au/shop/4x4-pe...
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Great Review. Thanks for a great insight into the options.
I should have watched this before i entered blindly into buying a Harrop E-locker. my experience with Harrop E-locker is as follows.
1. They are a buggy and faulty item (a lot of dropped pins and mysterious "stuck locked" cases-(research for yourself before you buy)
2. Harrop customer care and warranty has to be the worst i have experienced as a consumer..They will blame anything with "could have been" "not defective"
3. My Harrop E-locker self locked on a freeway @90km/h (I have the fuse removed when not off-road) and not only destroyed the crown and pinion but also ripped out some of the front diff mounting on my ford Ranger. It was a horrific self destruction of a diff center that only ever had one off road engagement (just to try it) and under 1,500km since installation.
4. As the video shows the product isn't actually a locker unless you are moving forward they will unlock if you roll back (to adjust your approach.. which we all need to do) and will take ~1/2 a turn to re-lock ( how could this be called a locker?)
It took Harrop more than a month to get back to me and refuse the warranty claim and they still haven't returned my diff back to me so i can have a mechanical engineer write a report.
It has now been 2 months and i have had to purchase a new front diff assembly just to get the car back on the road. (I will be putting on an air locker as i will not do business with Harrop again)
Please do your research and choose wisely
Wow, thanks for sharing that is bad, I’m so glad I removed my ones again
AllOffroad 4x4 Adventures TV
Thanks for the pin.
Purchasing on The perception of quality and simplicity was my mistake.
@@marshiano you were not the only one I made the same mistake. I could not find any useful information so thought I better make the video to hopefully save someone some coin and headache
Sounds like you did a bad install
Forget the complexity check out OX locker. I’ve had an OX in a 60 since it was released for sale, in a F-350
Got front and rear ARB air lockers in my 91/92 Swb Pajero.
Wanted them all my life,,,Very happy.!
Much appreciation for your time, effort and willingness to do the research for OUR benefit...I am in the process of starting a long expedition throughout the western half of the country (United States) and I want to ensure that all my critical parts are of solid quality and durability. Again, thank you.
Sounds great mate enjoy your journey
My fj cruiser has factory fitted rear locker electronic type and up front an arb air locker. Never had any issues and was installed professionally by outback 4x4 Bayswater. I do some fairly rugged inclines with ruts and rocks and poke along quietly up them with lockers on. Never miss a beat very happy indeed. I think front and rear is the way to go and know when and how to use and not use them. Excellent video.
Thanks your explanation helped me understand the differences between the lockers and i now know which locker is suitable for me, well done .
I used to fit ARB lockers and can tell you they have quality issues. At the end I was dissassembling the locker and inspecting/cleaning the swarf from the units.
TJM lockers are the best selectable locker on the market.
E-Lockers are temperamental because of the way they lock and wiring in the housings actually move with the shaking which the housing goes through.
I personally run a Lokka in the front of my part time 4x4 but nothing except the ramping type LSD in the rear. Im not into the crawling side of driving but I haven't been stuck without trying really hard.
Thank you for all the work you put into this video. Fantastic review.
It was professional and insightful. Explaining the clear differences between all three lockers.
You have made my decision as a not so full on enthusiast to keep it simple.
Glad it was helpful!
Thanks for the time you've taken to put this together.
Thanks for taking the time to make this video. Definitely helps to understand which way to go 👍
Thank you very much....
Good video Stefan & I totally see your point. I just had soo many problems with my ARB air lockers that when I made the change (15 months ago) to the E-lockers it was almost magical, and haven’t had a problem in this time. But I can obviously see why you’ve changed.
yes mate, I hear you as well and I don't think E-Lockers are bad just not suitable for me, from my research it seems most people who have an issue with ARB's are because of poor installation and unfortunately I heard from a few people who had issues that they had them installed at ARB Francises which sometimes only have fitters...
Thank you for the explanation i was convinced that elockers were the go for my 200 but thanks to your informative video im now going the tjm pro locker.
Literally every bit of information I was looking for. Superb video. Thanks so much
My pleasure 😊
Awesome video mate I was debating on the TJM or the Harrop locker but now this has helped make up my mind
Thanks for that insight into lockers. Very helpful in choosing which is most suitable.
Just fitted a TJM Pro Locker to my rear diff after having originally wanting the e locker. Thanks for a great video and my installer reinforced my decision as he also agreed that its the best of the 3.
Great to hear!
Straightforward and transparent review, thanks. Very helpful for when/if I get a locker for my Prado.
Glad it was helpful!
Very good detailed Information.
I don‘t have the posibility to do what you do and i never will, but i love all the details.
Thanks for making al that stuff.
Thx for the great and accurate review. I personally have a ARB locker fitted for 10years in my Lux. I recently had to change a leaking air seal on the locker. It was a unpleasant exercise for small problem. Thx again for the useful info.
I reckon 10 years is good, bit annoying is that you take whole diff out and a 10c part cost $700 in labour
AllOffroad 4x4 Adventures TV sounds way more expensive to maintain than an OX locker
Great combination video with actual technical operational information. Agree the fact the TJM is not pressurised is a big plus, but till a friend pointed this out I had no idea about the elockers disengaging when rolling back.
thank you
Thanks Stefan......
We're in the process of putting front & rear lockers into our Wrangler JK.....
So, that's good info....
Thanks for the time and effort you put into this comparison and video. It helped me make my choice of a necessity.
Thank you comments like this are appreciated
Wow!! I didn't know the Elocker actually had a temporary disengagement like that. That is some great info! I've been doing a lot of research myself and thankfully came across your video. Thank you!
Glad I could help!
Spot on review. It really comes down to your choice and what will work for your needs. In the end, failure of your locking diff, isn't an option. Awesome review!
Thanks for sharing
Thank you I was surprised how the E lockers work for real, my mind of air lockers just changed very positively. I’ve never heard of the TJM lockers but I’m going to research them this afternoon so I have the best for my 4X4. Not going rock climbing or hot rock bouncing, I’m building a rig for serious bug out and for running the old roads on my maps of the 20’s- 30’s I’m metal detecting old schools an homesteads in the mountains just want an all around 4x4 to tackle going where no one in 50 yrs has driven.
This video would have to be one of the best on TH-cam. Very professional.
I think I am leaning toward TJM but not 100% sure. I sit on the fence deciding for so long that something new usually comes on the market. Lockers are so confusing to pick the right one; it is a pity there isn't one on the market that is foolproof and reliable.
I hope you keep making these videos for everyone, as it helps so much, especially as there is no sales and marketing BS to con us out of our hard earned money. More power to you man.
Hi John, thanks for that the TJM locker is not new it’s the old McNamara locker the design is on the market for many many years
Great one thank you for clearing that up now it’s a lot more understandable between the makes 👍🏻
Great video. I have ARB in the front and rear of a Jeep TJ. So far I have had no problems. I Like the TJM Pro Locker design, the air line and piston can be replaced in the trail. Anything that can be repaired on the trail is worth having.
Thanks for your videos
Added your video to my arb install playlist. I chose arbs and installed my own gears. Thank you for helping me explain my decision.
Glad I could help
Thanks for the comparo. Informative and non biased.
Thank you very much....
Thank you Sir, I am currently researching lockers and this vid really answered many of my questions, I appreciate it, thank you!
Glad it was helpful!
Great information, presented in an easily understood way, with what I thought to be a very balanced approach. Appreciate your efforts in making this video. Now I'm armed with some very relevant knowledge, I know which diff locker I'll be going with.
Glen
Glad it was helpful!
Thank god i watched this. And thanks guys!! Im going to put lockers in my D40 as the limited slip is well and truely stuffed.
thankds for the technical breakdown I am looking for a pair of lockers to go on either my patrol or my Isuzu trooper neither 4x4 is new they are both used as tractors to pull broken down vehicles back to the public road where they can then be put on the recovery truck and brought back to the garage I have previous experience of mechanical limited slip diffs but in the muddier fields the 2 4x4s could do with a little help( so locking diffs to the rescue )
Not sure which Locker to buy? ARB, TJM or Harrop E-Locker?
I just replaced my five-month-old Harrop Eaton E Locker as I found out not all lockers are the same... Unfortunately, there is a lot of misinformation out about the different locker types so after now having used all three locker types and doing quite a bit of research I thought I share my findings in a Video which may help someone purchasing the correct locker for his application.
Please don't forget to share your Locker experience in the comments!
Ox locker greater than all of them
yes I heard that they are very good and could be installed as e-locker, air locker or mechanical locker not very common here though
I don't think so. Seen two of them fail quite quickly in light weight vehicles. I've used ARB Air lockers now exclusively in our builds with zero failures.
AllOffroad 4x4 Adventures TV I got Jeff McNamara to make my diff locks around 10 years ago for my 80 series just before he sold the design to TJM. They have been through hell and back and still work perfectly. The air ram actuated locking ring was why i went for them aswell.
I reckon that will last you another 20 years, still handmade in Australia at the time, awesome
I ran an ARB Air Locker in my 1990 Toyota 4Runner (5 spd, 22r-e) for about 25 years of daily town driving, wildland travel and occasional technical four-wheeling. While the sound and vibration of the compressor took getting used to, it never failed. I would buy another for my current '05 4Runner without hesitation if I still drove in conditions where it would be helpful.
Great info! My factory locker in mitsubishi challenger has started playing up so looking at drop-in options I found only harrop do a suitable one. Interesting your findings with the elocker and something I need to seriously consider as do alot of technical driving! cheers
Yet again another fantastic video!! You have massively helped!!
Glad to hear it!
Thank you. I was one of the many who didn't know about the disengagement of the e-locker with direction change and that it would take a .25 rotation to engage in the first place. This will defiantly play into my locker buying decision as I drive a manual transmission and it is difficult to avoid a bit of rocking back and forth over obstacles.
yes you were not alone and even with an auto you may have sometimes non-deliberate but often deliberate small movement in reverse so for me I rather bee in full control of my locker
Very good information! I put a TJM Pro locker in the Patrol rear. VERY happy with it!!
Right on
hi mate big fan of your channel, especially this particular video is so informative, right before my decision on different lockers. thanks
Thanks mate, glad it helped you with your decision
Awesome honest review matey, sold me on the TJM pro locker
over 3 years now with mine and no issues
Great video Stefan, I didn't know this about the eLockers, it wouldn't really be much of a problem for me with how and where I drive, but I can see how it would be a critical problem for the tech stuff you do.
Also great to see a factual video presenting real information rather just more heresay that forums etc get flooded with.
Great stuff!
Thanks a lot mate, I tough the video may save someone the 4K I spend on elockers
Fantastic in-depth explanation, thank you👍🏻
thank you, my pleasure
Great video thanks. I've also watched the full filthy motorsport video. I'm far from an experienced off roader of my 80 series but to me it looks like TJM is the way to go. Having a compressor onboard is vital for tyres anyway, so I'll have it to do both. Cheers.
Great review, you changed my thinking about these lockers 🙂
Glad I could help
Awesome video from the states. Love my ARBs but like the sound of those TJM lockers
Really good explanation of how each locker works, thanks.
Glad it was helpful!
What a fabulous channel you have there! I’m subbed! Cheers
Fantastic, exactly the video I was looking for
Glad I could help!
Great video. Definitely influenced my decision. Thank you from America
Honest review. Helpful. Thanks
thanks for u good work, after watch your video and some study , i put order for my air locker last week.
Awesome review mate. This has helped me make my choice of locker for my new build 🤙👍👍
Glad I could help
Just discovered your channel via this video. Keep up the great work.
thanks for joining in
Excellent and well explained video. I have an '05 Jeep TJ Rocky Mtn, and I'm looking to do more challenging off roading, will be getting either the TJM or ARB lockers with 32" BFG MT's.
Glad it was helpful!
Very informative video keep up the gr8 work team
A bit of food for thought. Great stuff mate.
Excellent video. This has me leaning toward the TJM. I have been researching for months and am still undecided as there isn't one locker that is perfect. I don't like that disengagement with elockers, and am wary about ARB O-rings in particular. This video has been the most honest and best explained one that I have come across so far. You appear to be very honest, and don't appear to be promoting any locker, even though you have gone TJM. Honesty works for me, and I disregard information given by others who I can 99% tell are promoting something for a company and what they can get out of it.
thanks, mate
Excellent video and great info! Thank you. And hello from Texas.
thank you and best regards back to Texas
Thank you very much for this review. Helps alot.
In making my decision.
thank you
Just like any big purchase thorough research is needed, choose the wrong thing equals $3K or better mistake. None of these units are cheap, that’s including installation, I like the positive engagement of the pro- locker, however I never knew until now how all these functioned this was a very informative video.
Thank you very much....
An excellent explanation. I was looking to get either an ARB Air Locker or TJM Pro Locker in my new LC 200 series. I will now have the TJM Pro Locker installed.
Good choice! They have not let me down so far
Have a 200 also. How did it go?
Hi Stephan, good choice. I had tjm prolockers installed 7 years ago on my 105 landcruiser
still work ok, little air leak somewhere, but still do their job. I did choose Tjm above Arb, also
because Arb would not give me warranty with their lockers, because I run 35 inch tyres on my cruiser and
Tjm did. Maybe Arb do now, I have not checked.
Love my ARB lockers. However, it's very important that the air hose is installed correctly and away from heat. Last winter, while wheeling in 5' deep snow my front locker failed duento melted air supply line. The company who installed my lockers ran the supply line too close to the exhaust and it melted. It was also out of reach and so I had no lockers.
Very helpful and useful information. Thanks
Good analysis and comparison
Damn I was all about the Harrop E-lockers, but now watching this knowing it might not work if u roll back is a no go for me. Cause I get myself into sketchy situations pretty often and I need my lockers to work when I need them to. Definitely getting an air locker now most likely Tjm... thanks for the insight.
Good simple explanation...Steve
Excellent review. I have a factory rear locker in my NP300. As an "e-locker" it works fine (so far). I was thinking an air for the front, but I am convinced now thanks to your video. I have an on-board tank and twin compressors, so air supply will be a breeze. Really enjoying your videos. Keep up the great work....
Thank you Darrin glad it helped
thanks , so much for the great info, your advice is always very good and i think tjm is my choice also ive herd so many bad things about ARB lockers
This is very educational. Thank you!
Thank you very much....
Great video Sir, I have a Ram Power Wagon that comes stock with front and rear e lockers, I was already debating on changing over when I have play money lol, I already have the ARB Twin set up ready to go but for the off-roading I do Air isnt a necessity. Appreciate your work on this!
I'm not familiar with the Ram E Locker are they Harrop Eaton,? E-locker in general is not necessarily bad Toyotas e-locker don't have any of the issues the Eaton/Harrop's have.
My Gu Patrol it's ARB Airlockers fitted December 2001 , 21 years later there still going strong although the air compressor has been replaced 3 times... The Airlockers were factory fitted and have never missed a beat and the vehicles has played pretty hard over the years and 500.000 kms. I wouldn't worry about those "O" rings to much ! :)
was a different design then mate o rings indeed where no issue in old design.
@@AlloffroadAu I just bought a ARB locker for my 94 4runner, should I worry about the o-rings on the new design? Do they go bad more often than the old design?
Same in my LC105. 20 years and no problems with my ARB Airlockers F & R, or the compressor.
Mate thanks for that. I have the ARB Air Lockers in the front and rear of my 100 series Cruiser and I do love them. They've been in since 2006 and the only trouble I've had is after putting a 3" exhaust on the car, at full flex the exhaust would break the air fitting as it exits the diff. I have since redesigned that exit system and it's fine now. I have noticed over the years that the compressor kicks in more often than it used to, so I guess a service to replace some o-rings might be worth it. It doesn't fail though,, so I'm still happy with them
If they are well installed they usually seem to be good, if there was no TJM I would have also gone ARB but installed by ARB HQ with the 5 year warranty
Great video fella, thanks.
I knew from the onset there were differences. When I got my lockers, in my 2003 Hilux SR5, four years ago, I don't think I'd heard of the TJM locker, I was sold solely on the ARB. My mate told me about the 'E' locker, and having never gelled with the notion of a cable (such as the OX locker) I did most of my research around the ARB and the Eaton 'E'.
As mentioned my preference was with the ARB, and it takes a lot for me to change my mind once I get set on something, however, once I found out that they required a seal inside the diff, and reading someone's write-up stating that they were a mechanic dealing with a lot of the ARBs, and saying "who would want to fill their diffs with compressed air? I mean 'seriously'"? I started to focus on the 'E' lockers.
The notion, like you mentioned, that these things undid between forwards and reverse, really didn't sit well with me at all, and psychologically still don't, however, that's what I ended up going for (front and rear, very simple operation installed by myself a 'meat worker') and have not had a single problem with them. I'm 'only' a hunter, requiring four wheel drive to get me safely back up the odd track that I encounter, however, I've never noticed them unlock whilst I've been out there doing it. Perhaps I'd change my mind if I got into more serious 'technical' wheeling, I don't know, but I'm certainly not about to rip them out, for me, they're perfect. Thanks.
The Ox uses a cable, air, or electric. The cable is a push cable not a pull. I’ve had 7 years and over 80,000 miles of trouble free problems in my D60
Hit me like a truck, when flithy Motorsport explained it. I watched that video previously but it made sense when you see it operate.
Yep it sure is not ideal for a locker
This is making me like my 3rd gen 4runner style locker a lot more
Thank you for your insights. Has helped me with my decision
My please glad it helped you
Thanks for the review! Filthy Motorsports is awesome too, love that channel.
Stock Rear Locker on my FJ & I learned from this video Thanks
Thanks mate glad Video was of help
Great info mate, thank you.
Sehr gut recherchiert. Da wird komplizierte Technik verständlich erklärt. Weiterhin viel Spass in "Down Under".
vielen dank and schoene gruesse nach deutschland
I just installed an Eaton e locker in the rear and noticed how it disengages and reengages. I like to do some pretty hardcore wheeling and that may prove to be a con for me. I suppose I’ll have to wait and see to find out. As long as constant momentum is kept it should be fine. Lockers allow you to spin tires when stuck, so just keep momentum is my fix. We’ll see
very informative comparo. Cheers!
thanks Steve
Very informative, thank you.
Was just about to Pull the trigger on a Rear E-locker for My Dmax but rememebered this Vid so thought I'd rewatch it again just to be sure, but after going through the comments, I might save up the further $600 for a TJM Pro Locker, seems it'll save me money in the long run, Love your video mate and thanks for putting it together
Thank you very much.... Glad it helped.
Thanks for the info, good work with the video.
Very well explained, cheers!
Thanks Ben, It was awesome that we could use your footage, your excellent comparison video was the first one which made me aware of the disadvantages of the E-Locker
thank you sooo much for the info, really well explained,again thank you
my pleasure Herb
Great explanation. Thank you for the information
my pleasure thanks for watching
Haha. Great vid. Thankyou. I have e lockers. They get a good work out for sure. As you say all good in the area you play in. A mate of mine John said it in great words on the track one day as I had an issue with e locker but didn’t know it haha , the thing is you can hear an airline that is pinched and know there is an issue , as with a broken wire you don’t know till it’s to late.
Keep up the good work. Steady steady mate.
thanks mate
this is why one must have a Detroit locker in the rear. and never use the clutch while climbing. as you never "lose" the lock, and should never "roll: back. slide yes... but that is traction a different thing.
Me "Mate, A locker is a locker period!"
Me now - Boy was I wrong :/
Thank you for such an insightful review!
Thanks mate have to admit I thought the same until I started looking in to them closer.
Thanks for paying the schoolfees. Defnitly looking towards the tjm pro after understanding the different mechanisms.
I love your accent and the way u talk lol. TJM is your recommendation for reliability and toughness for expedition? Your expert opinion is of great value
yes TJM Pro Locker seems to be the best option...
This video is very informative. Thank you
thanks Robert
Very informative video. Unfortunately, I have having issues sourcing the TJM locker here in the States...
yes it can be hard to get your hands on them, unfortunately, TJM really neglects their own lockers
Thank you for the time investment for making this video. It was very valuable.
You're very welcome!
Enjoyed your video, was VERY informative, Thank You.
Thanks a lot mate your feedback is greatly appreciated
Fantastic Video. Very helpful. Thank you.
You're welcome!
SUPERB video. I did not know this!!!
thank you Vishnu glad it did help you, there is so much misinformation about the lockers it got me as well hence I thought I clear this up