Nulon 75W-90 full synthetic gear oil.

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Originally Posted by Robmacca

Hey Guys, reopening an old post.....

I might have made a blue in that I too thought that the Defender Gearbox (R380) ran a ATF for the Gearbox and some months ago, I bought some to service my R380, but as yet haven't gotten around to replace the Gearbox Oil. From what I've read, I now should not be using ATF in my R380 Gearbox?

or can I? I live Queensland so no real cold weather as such.....

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Mate,do yourself a favour,run Redline MTL.I"ve run it in temps from freezing Kalgoorlie winter's to boiling Newman summers with not issue's what so ever.I'll disagree with every poster on this forum over this,MTL is better than ANY oil or fluid in the R380,and I think I've used them all. Pat

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Originally Posted by PAT303

Mate,do yourself a favour,run Redline MTL.I"ve run it in temps from freezing Kalgoorlie winter's to boiling Newman summers with not issue's what so ever.I'll disagree with every poster on this forum over this,MTL is better than ANY oil or fluid in the R380,and I think I've used them all. Pat

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Pat, where can u source MTL from?

btw: What does MTL stand for?

MTL= Manual Transmission Light AFAIR.
Regards Philip A

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Originally Posted by Robmacca

Pat, where can u source MTL from?

btw: What does MTL stand for?

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I got it from an ebay supplier.$120 for 3 litres delivered. Pat

I dont disagree here But i will say every gearbox is different and will react differently with different drivers , conditions , oil`s and climates even if the gear box came out from the same manufacture [wink11]
So in my opinion try what oil is suggested here (not ATF) and make your own decision [thumbsupbig]
Not saying what i use is gospel for others but it works for me and my usage i do use Redline and am happy with my results[bigwhistle]

For a long time I used Penrite Synthetic ATF in the R380 (Defender) as it had better high temp stability than Light Gear Oil.

I'd also found the Penrite Light Gear oil gave a very notchy and poor shift in the LT77 box (Classic Range Rover).

I've since used the Redline, which has been pretty good, but have since switched to the Nulon 75-80, which has given the best shift characteristics of all the oils.

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Originally Posted by PAT303

Mate,do yourself a favour,run Redline MTL.I"ve run it in temps from freezing Kalgoorlie winter's to boiling Newman summers with not issue's what so ever.I'll disagree with every poster on this forum over this,MTL is better than ANY oil or fluid in the R380,and I think I've used them all. Pat

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I'll disagree ! [biggrin]

It's good, but not the best I've used, and I've made up witches brews of MTL and MT90 to cure the dreaded bearing rattle/shift quality deteriorating at high temps too.

Motul Gear 300 is the overall best I've used, but Neo 7W racing gear oil has the hands down best cold shifting I've ever experienced in an R380.

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Originally Posted by rick130

I'll disagree ! [biggrin]

It's good, but not the best I've used, and I've made up witches brews of MTL and MT90 to cure the dreaded bearing rattle/shift quality deteriorating at high temps too.

Motul Gear 300 is the overall best I've used, but Neo 7W racing gear oil has the hands down best cold shifting I've ever experienced in an R380.

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Never heard of Neo 7W but I'll take your word on it.Were do you get it from Rick?.

Severe applications can mean anything from stop/start traffic to using it as a 4wd.

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Originally Posted by PAT303

Never heard of Neo 7W but I'll take your word on it.Were do you get it from Rick?.

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Left over from my race days several lifetimes ago Pat.
The then importer used to sponsor me.
Their gear and engine oil cost $95/5 litres in 1995.[emoji33]