In regards its oil consumption @AB I think we should get our TD’s and maybe others too off the Valvoline 15W-40 drum down at work James (Jimmy) did mention today that his own runs in the old Acco of late now using it too it’s the first time he’s seen the fresh Cummins 8.3L need oil added also
I can only seem to find online Penrite 20W 60, has anyone kindly had any experience with it on older design dinosaur donks ?


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