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Lauri
Bronze Member - 1 or more posts
Posted
ISO Viscocity Equivalent - What is the ISO Viscocity Grade of an SAE 85W-140 gear oil?
 
Posts: 7 | Registered: Tue March 28 2006Reply With QuoteEdit or Delete MessageReport This Post
Et
Bronze Member - 1 or more posts
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80w140 viscosity at 40 usualy stands at 220cst (wich is the ISO grade)
But be carefull, the viscosity index may be different between these two oils.
 
Posts: 6 | Registered: Thu March 30 2006Reply With QuoteEdit or Delete MessageReport This Post
John Micetic
Double Platinum Member - 100 or more posts
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Lauri: ISO viscosity grading does not apply to multi-grade oils. It is only applicable for a single-grade oils.
 
Posts: 236 | Location: Portland, US | Registered: Thu November 18 2004Reply With QuoteEdit or Delete MessageReport This Post
rttech
Platinum Member - 50 or more posts
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You have to get this right, be careful with mis information on viscosity

ISO 220 = SAE 90 Gear Oil or SAE 50 Engine Oil all the same

ISO 320 is equivalent to SAE 85W140

ISO 460 is equivalent to SAE 140

ISO 680-1000 is equivalent to SAE 250

Rob S
 
Posts: 90 | Location: Australia | Registered: Wed January 14 2004Reply With QuoteEdit or Delete MessageReport This Post
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