Helpful Source to Identify Proper Fluids

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peakbagger

Member
500
4
18
Location
northern nh
I didn't go through them all but I do note they got the transmission fluid correct. A warning to all SEE owners is you need GL4 not GL5 rated fluids for the transmission. GL5 replaces GL4 in most applications but on Unimog's the additive package in GL5 will eat the synchronizers. GL5 is fine for the diffs but GL4 is for the transmission. I expect some folks will try to standardize and try to go with GL5 to reduce inventory.
 
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Pinsandpitons

Member
113
1
16
Location
Central Washington
Yes, looks like a nice reference but they also listed dot 4 as brake fluid. Fine if you flush the system completely right, but uncle sam ran dot 5 did they not? I’m not sure about the mixing if the two but it’s supposed to be bad.
 

fasttruck

Active member
848
27
28
Location
Mesa, AZ
Do you get any guidance from the applicable lubrication order ? An oil jobber with a good computer should be able to translate mil spec numbers into their civilian equivalents.
 

Speedwoble

Member
416
5
18
Location
New Holland, PA
Yes, looks like a nice reference but they also listed dot 4 as brake fluid. Fine if you flush the system completely right, but uncle sam ran dot 5 did they not? I’m not sure about the mixing if the two but it’s supposed to be bad.
We have to recall there are far more Unimogs than the Military FLU419. Many of them were DOT 4. Refer to the applicable manual or lubrication order for your particular vehicle.
 
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