Np-435 oil

[MadCow]

where can I find the proper oils requierments for the np-435 and a devoiced dana 24 for the Arizona climate I'm working on a 72 .

[heep70]

Haynes manual. 50LB for the tranny and 90LB for the tcase.

[averagef250]

90 wt is a pretty safe bet for both. My experience with 50 wt in a 435 is that it shifts great for a few thousand miles then you tow a heavy load a few hundred miles and the 435 bearings are gone. If you want better shifting and mileage than regular 90 wt gives go to synthetic gearl oil.

[MadCow]

Thanks, I 'm having trouble finding manuels for the 72.

[390Nut]

They are all over ebay...

http://motors.search.ebay.com/1972_Truc ... fmtsZinsif

And in ebay stores as well:

http://search.stores.ebay.com/1972_Truc ... Z1QQsofpZ4

[FrankenFord]

got it thanks

[MaxKlinger]

90 wt is a pretty safe bet for both. My experience with 50 wt in a 435 is that it shifts great for a few thousand miles then you tow a heavy load a few hundred miles and the 435 bearings are gone

Do you have much experience with the Borg Warner T18? Would you say to also use 90 weight oil for the T18? I want to change the gearbox oil on my truck this weekend and I'm not sure what weight to use.

I do have a factory owner's manual from 1972 but I thought maybe that 35 years of experience might have found something better than stock.

[kid]

SEVERE GEAR® Synthetic Extreme Pressure (EP) Lubricant 75W-90 (SVG)
Formulated for the severe operating conditions of today’s pick-up trucks, SUVs, heavy equipment and other hard working vehicles.

Works Great in my T-18 and my NP 435.

[Redcap]

I run Chevron Tegra 75w-90 in my 435.