Gearbox Oil Advice

Ken said:

Which do you think is the best oil to use in the R65 Gearbox of the 200 Series?

'Castrol 75w 80w' or 'Comma synthetic based SX75W 90W'...

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Certainly NOT Castrol.

MGR Only recommend the Castrol for topping up.

Comma synthetic is not mentioned, however the range is too great (should be 75w/80w).

Recommended for drain/refil are:

Esso Gear Oil BV 75W/80w
Mobil Mobilube 1 SHC
Shell SF5288 75w/80w
Unipart Gear Oil BV 75w/80w

..do you think that the ones you have listed will be thicker in consistency than the comma oil which to me appears to be very thin/runny stuff..

The Comma may be thiner because being synthetic may not be so sensitive to twemparature. As the box warms up, normal oils become thinner. If MGR reccomend something. Use it!

ive always used the unipart stuff from MGR dealer - cheaper than most too