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excossack

Member Since: 22 Feb 2012
Location: North West
Posts: 5842

1999 Defender 110 Td5 SW Caledonian Blue

Diff and Transfer case oils

Going to change oils in Diffs and transfer case, Haynes book suggests:

Diffs: SAE80/SAE90EP to API GL4 / MIL-L-2105 or better
T/C: 75w90 to GL4 spec. Lots of places appear to do GL5 oils and I think the RAVE manual suggested GL5 spec.

Is GL5 spec of for both Diffs and T/C?

Spotted on Opie oils
Gulf Gear EP heavy duty G/Box oil 80w/90 for Diffs.
Fuchs Titan 75w90 for T/C 1999 Defender TD5 110

Regards
John M0VAZ
Econet Station 48 no clock

28th Mar 2018 2:34pm

michaelwl

Member Since: 19 Nov 2014
Location: Durban
Posts: 65

I am using Castrol syntrax Long Life 75W 90 in Diffs and Transfer box. 2002 110 TD5 White
1981 S3 R6 Matt Green - Now used as game viewer
2013 Discovery 4 XS

28th Mar 2018 2:40pm

X4SKP

Member Since: 29 Nov 2013
Location: Berkshire
Posts: 2295

2010 Defender 90 Puma 2.4 SW Stornoway Grey

Hello excossack

Castrol 75W-90...

March 2017 Price

But in the end I went for Motul Gear 300 75W-90 for an all Transmission Oils change (10 Lts required)
I did this on the recommendations of Opie Oils, as the Motul looks to be a slightly higher spec' than the Castrol,
and qualifies as a Racing Oil.

March 2017 Price

So for a Puma (Getrag Gearbox MT82) / TD5 (R380 Gearbox)
Transmission ...
75W 90 / 3 x 1L

Transfer Box (LT230Q / Puma + TD5) + Front & Rear Differentials
75W 90 / 7 x 1L

Click image to enlarge

Good Luck SKIP
https://www.defender2.net/forum/topic83242.html

28th Mar 2018 3:03pm

Mike c

Member Since: 11 Aug 2017
Location: Maldon, Essex
Posts: 928

I recently ordered from Opie castrol epx 80/90 for diffs and Castrol syntrans 75/90 for transfer box. Then lr mtf94 for main gearbox from different supplier on eBay.

28th Mar 2018 3:52pm

excossack

Member Since: 22 Feb 2012
Location: North West
Posts: 5842

X4SKP wrote:
Hello excossack

Castrol 75W-90...

March 2017 Price

But in the end I went for Motul Gear 300 75W-90 for an all Transmission Oils change (10 Lts required)
I did this on the recommendations of Opie Oils, as the Motul looks to be a slightly higher spec' than the Castrol,
and qualifies as a Racing Oil.

March 2017 Price

So for a Puma (Getrag Gearbox MT82) / TD5 (R380 Gearbox)
Transmission ...
75W 90 / 3 x 1L

Transfer Box (LT230Q / Puma + TD5) + Front & Rear Differentials
75W 90 / 7 x 1L

Click image to enlarge

Good Luck

Cheers X4SKP, Motul is currently at £14.50 a litre. Pity its just 1L containers. 1999 Defender TD5 110

Regards
John M0VAZ
Econet Station 48 no clock

28th Mar 2018 5:38pm

excossack

Member Since: 22 Feb 2012
Location: North West
Posts: 5842

After a bit of hunting ended up with 5litre of Granville oil and 5litre of Croma oil. 1999 Defender TD5 110

Regards
John M0VAZ
Econet Station 48 no clock

29th Mar 2018 6:33pm

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