Opv Posted September 1, 2020 Report Share Posted September 1, 2020 Hi All Going to be changing the gearbox oil soon and just wondered what oil people are using Thanks Charlie Quote Link to post Share on other sites
Drewmotty Posted September 1, 2020 Report Share Posted September 1, 2020 (edited) I use Penrite GB40. Don't be tempted to use engine oil. Edited September 1, 2020 by Drewmotty Quote Link to post Share on other sites
RogerH Posted September 1, 2020 Report Share Posted September 1, 2020 Hi Charlie, these boxes work well with a variety of oils. I use Penrite GB40. Do make sure it is a GL4 grade. Roger Quote Link to post Share on other sites
iain Posted September 1, 2020 Report Share Posted September 1, 2020 Penrite GB40 as above. Iain Quote Link to post Share on other sites
Opv Posted September 1, 2020 Author Report Share Posted September 1, 2020 Thanks for getting back it looks like Penrite GB40 it is Charlie Quote Link to post Share on other sites
John McCormack Posted September 2, 2020 Report Share Posted September 2, 2020 I now use Castrol VMX80. I used engine oil (25-50) for 100,000 miles without any issues. Quote Link to post Share on other sites
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