Reply With QuoteI've been using Ravenol MDL for the last few changes.
YarnMaster
Supporter
D3/4 rear e-diff locking rear differential oil options
Disco 3 lists TYK500070 Castrol Carbon 75W-90
Disco 4 lists LR019727 Castrol Carbon 75-90 (TYK500070 now superseded by LR019727)
Approx 1.2litres required.
Castrol Differential SAF Carbon Mod Pus doesn't look to be a commonly available product other than through the LR part number. Unsure if anything else in the Castrol range is equivalent product. There's some chatter about Castrol BOT 720 being equivalent/appropriate, especially in South African groups where the e-diffs look to be more commonly fitted.
lr019727lr.jpg
Ravenol MDL Semisyth Multi-Disc locking differentials < RAVENOL MDL Multi-disc locking differentials - Ravenol > looks to list as an equivalent product. The product description for it states that it's equivalent to the LR part.
Vendor options: Where to Buy
Penrite tech advise that there Pro Gear GL-5 75W-85 is appropriate for use in this application < Land Rover Discovery locking diff oil | Penrite Oil Forum | Penrite Oil >
Swaggie
I've been using Ravenol MDL for the last few changes.
MY21.5 L405 D350 Vogue SE with 19s. Produce LLAMS for LR/RR, Jeep GC/Dodge Ram
VK2HFG and APRS W1 digi, RTK base station using LoRa
OldBushie
I’ve had no issues with Penrite.
YarnMaster
SupporterThanks. You've been using the Penrite Pro Gear GL-5 75W-85 in one of the factory electronic locking differentials without issue for a while then?Originally Posted by Tombie
Master
SubscriberI am using Penrite Pro Gear Full synthetic 75W-85 in my rear diff and Penrite Pro Gear Full synthetic 75W-90 in front diff.
As per Penrite recommendation for the factory electronic rear diff.
Have been for past approx 100,000 klms and changed approx every 40,000 klms.
Yes I realise it is short change periods but there's not much oil in there.......
Before: Ser 2a LWB, Ser 3 S/W, 1979 RR 2 door, 1981 LR Stage 1 V8 (new), 1985 LR 110 V8 County (new), 2009 RRS TDV8
Now: MY13 D4 TDV6. "E" rear diff. Cambo's magic Engine & Auto Tune. 1968 Austin 1800 Mk1 auto (my 5th)
OldBushie
Yep, about 100,000km worth of driving.
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