I have recently bought a simple chinese lathe called " HBM LATHE-WM250 Variomatic" , the operators manual tells me to change the gearbox oil and recomends " Mobilgear 627 ".
Mobilgear 627 is very hard to buy here in Sweden so i wonder if it is possible to use something else ?
I was thinking of using "Mobil 1 ESP Formula 5W-30" or "Mobil Mobilube GX SAE 80W-90" , or maybe something else ?