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defender9

Member Since: 12 Mar 2016
Location: Fylde Coast
Posts: 1613

2015 Defender 90 Puma 2.2 SW Keswick Green

LT85 transfer box oil

There seems to be some conflicting information regarding which oil to use in the LT85 transfer box. I have read that both 20:50 engine oil and EP90 is correct.

Can someone supply the definitive answer please?

4th Jan 2018 1:19am

diesel_jim

Member Since: 13 Oct 2008
Location: hiding
Posts: 6031

Transfer boxes are all EP90

There was one main gearbox that used engine spec oil as opposed to EP, but I forget which it was now. LT95 4 speed?

4th Jan 2018 8:37am

defender9

Member Since: 12 Mar 2016
Location: Fylde Coast
Posts: 1613

Yes my mate has a 110 Stage One with a LT95 transfer box which uses engine oil. Possibly that's where the confusion emanates from.

4th Jan 2018 11:57am

Paulv8

Member Since: 09 Jun 2013
Location: Milton Keynes
Posts: 616

1989 Defender 90 V8 Petrol CSW Alpine White

hang on a moment, do you mean an LT85 gearbox or the LT230 that fits on to it? V8 90...WIP

4th Jan 2018 8:31pm

Lodelaner

Member Since: 04 Feb 2010
Location: Lambourn
Posts: 621

1988 Defender 90 V8 Petrol ST Shire Blue

diesel_jim wrote:
Transfer boxes are all EP90

There was one main gearbox that used engine spec oil as opposed to EP, but I forget which it was now. LT95 4 speed?

LT85 uses 20w50 as well. JB

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4th Jan 2018 8:43pm

defender9

Member Since: 12 Mar 2016
Location: Fylde Coast
Posts: 1613

Paulv8 wrote:
hang on a moment, do you mean an LT85 gearbox or the LT230 that fits on to it?

Paul, the transfer box which goes with the LT85 which as you correctly mention is the LT230.

4th Jan 2018 9:53pm

LandRoverAnorak

Member Since: 17 Jul 2011
Location: Surrey
Posts: 11240

2013 Defender 110 Puma 2.2 USW Orkney Grey

The LT95 is the original four speed box used in the Range Rover, Stage 1, 101 and early V8 90's and 110's. It had an integral transfer case and used 20/50 engine oil.

The LT85 is a five speed box produced by Santana in Spain and replaced the LT95 in V8 vehicles as it was stronger than the original five speed LT77. It's used in conjunction with the LT230 transfer box. The LT85 also uses 20/50 engine oil. Darren

110 USW BUILD THREAD - EXPEDITION TRAILER - 200tdi 90 BUILD THREAD - SANKEY TRAILER - IG@landroveranorak

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4th Jan 2018 10:03pm

Paulv8

Member Since: 09 Jun 2013
Location: Milton Keynes
Posts: 616

defender9 wrote:
Paulv8 wrote:
hang on a moment, do you mean an LT85 gearbox or the LT230 that fits on to it?

Paul, the transfer box which goes with the LT85 which as you correctly mention is the LT230.

OK, well as others have said that's a standard LT230 and uses gear oil EP90 V8 90...WIP

4th Jan 2018 10:09pm

defender9

Member Since: 12 Mar 2016
Location: Fylde Coast
Posts: 1613

Thanks Paul, it’s what I thought but glad of the confirmation.

4th Jan 2018 10:49pm

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