Differential Lube

[Lordsman]

Getting ready to change both differential oils previous owner always used Mopar lube. I was looking at Amsoil 75w-85 but theirs says it has fiction modifiers for the limited slip. Ram says not to use a friction modifier. Should I stick with the Mopar stuff to be safe? I only tow about 1/2 the time.
Also doing the transfer case which I hear the dealer wants fortune for. I probably go with a different brand. Recommendations?
Truck is a 2014 3500
Thanks

 

[Cummins12V98]

AMZ/OIL 75/90 SevereGear, good to go.

 

[nukegm]

i used amsoil in t case and diffs - no issues. severe gear as cummins 12v98 said. once i bought the mopar t case fluid - that was the worst i have been violated in my life purchasing fluid. if i recall, the t case is some atf fluid. ( did the service years ago )
cheers!

 

[Lordsman]

Alright! Never have used Amsoil, but feel better about using it now with your responses.

 

[Ozymandias]

Actually it doesn't matter if you have LSD additives in it or not, it just does not lock up so hard with the additives.

There is also still gear oil available over the counter that comes without the LSD component, I got the Valvoline from NAPA.

 

[Grumpy8811]

just did mine a few weeks ago , I use Valvoline Syngear.. comes in those neat little quart sized squeeze bags which makes it extremely easy to pour in the hole. .

 

[Diesel85]

I've used Amsoil with great results too in my other vehicles. When I did my 3 boxes (front diff/transfer case/rear diff) I used Mopar only because I'm under warranty.

Would they know I used Amsoil? Probably not and I highly doubt I'd run into issues. Besides the weight is what matters, as long as it's the right weight, it should work fine.

I do use Amsoil in my finishing mower and flail mower for my tractor. Never had an issue with it in those implements.

 

[Grumpy8811]

FWIW differentials ar one of the most neglected items on most vehicles and very few people have issues with them..
I would venture a guess that many pickup trucks on the road never have the gear lube changed during their lifetime..

 

[Turbo Terry]

Keep it simple as above Amsoil 75/90 squeeze bottles transfer case and differentials

 

[Lordsman]

True. Back in the day doing HVAC, so busy never did service the differentials. I had 2 van rear ends go bad probably because of neglect. Truth be told though we ran those vans hard.
When I started using diesel trucks because of more commercial work, I started servicing them and RE problems ended. One of the '03 third gen Rams I had, the LS Diff never did grab right and being in Colorado it was noticable. Both Ram trucks I have now work properly and just want to keep them up the right way. Hence my questions.

 

[nukegm]

i signed up for amsoil membership, it costs 20 or 30 bucks/yr. you then get a discount on the products. the price diff offsets that fee. you can shop for your specific vehicle using their guide and get the correct fluids etc automatically. and yes, as terry wrote the squeeze bags of diff fluid almost change your life. lol. cheers !

 

[Diesel85]

i signed up for amsoil membership, it costs 20 or 30 bucks/yr. you then get a discount on the products. the price diff offsets that fee. you can shop for your specific vehicle using their guide and get the correct fluids etc automatically. and yes, as terry wrote the squeeze bags of diff fluid almost change your life. lol. cheers !

Yes, I love the squeeze bags too!

I love watching this guy do this... man I wish I lived down south to have an outdoor lift like that...

Shows off how nice those squeeze bags are!

 

[JR]

Like engine oil brand matters less than it ever did. (Not that it really mattered to begin with)
With the spec requirements and technology advancements they are more equal than ever. Ask a farmer or trucker (owner operator) or a contractor what they use. I can just about guarantee you you won't find a single one using a boutique oil of any type, and their equipment gets worked harder and longer than the avg pickup ever will.

 

[Ozymandias]

Like engine oil brand matters less than it ever did. (Not that it really mattered to begin with)
With the spec requirements and technology advancements they are more equal than ever. Ask a farmer or trucker (owner operator) or a contractor what they use. I can just about guarantee you you won't find a single one using a boutique oil of any type, and their equipment gets worked harder and longer than the avg pickup ever will.

I was thinking the same about the Amsoil in a lawn mower.

 

[JR]

I was thinking the same about the Amsoil in a lawn mower.

I use diesel rated 10w30 in all my small equipment. 2k+ hrs on my mower, I think I topped it off once last summer. Mowing season May - September with some leaf mulching in October. I mow ~ 7 acres.

 

[AH64ID]

As others have said it’s just fine, I used it for over 100K miles in my 05 and 35K miles in my 18 that have the same LSD. Great gear lube.

As far as the transfer case I’ve use Amsoil Signature Series ATF in all my transfer cases. The mopar part number for the BW cases is on the bottle.

 

[Cummins12V98]

Keep it simple as above Amsoil 75/90 squeeze bottles transfer case and differentials

75/90 In transfer case?

 

[Grumpy8811]

I was thinking the same about the Amsoil in a lawn mower.

I've committed to refraining from excessive commentary that promotes Fools Gold brand products in every hole imaginable , but the lawnmower does seem a bit extreme..

at some point in line with the Amsoil use in every hole , I would not be surprised to hear that Scamsoil offers a Drain Cleaner and Septic Tank Treatment as well as a Feminine Hygiene Cleaning product

 

[Grumpy8811]

75/90 In transfer case?

how about ATF instead. back in the day if you had a Chevy the BW transfer case called for Dexron, if you had a Ford the BW T case called for Mercon and if you had a Mopar the BW T case called for ATF+4..

t

 

[bcbender]

As far as the transfer case I’ve use Amsoil Signature Series ATF in all my transfer cases.

John noted Signature ATF... Same here I use it in the AISIN and TCase, (as well as in my other ATF applications)