Recommended Hydraulic Fluids For Use In Cold Climates On Lippert Hydraulic Leveling and Slide Outs

Published 12/16/2022

Question:

Is there an addative I can add to my system to help in extreme cold?

asked by: Michael O

Expert Reply:

Here is a list of the fluids Lippert recommends for different temperatures on their hydraulic systems.

Above Freezing - Operation at air temperatures routinely above 0 °C (32 °F)—above freezing—which
also covers most initial OEM fills.
A. Dexron® III/Mercon® ATF
B. Super ATF from Phillips 66
C. Mercon® V ATF
D. Dexron® VI ATF
E. PetroBlend (Mason City, IA) PHO 0022S (synthetic group 3 base blend)
F. Bellman all temp 22 (Bremen, IN)
G. Or any ATF or hydraulic fluid with a pour point lower than -42 °C (-44 °F).

Below Freezing - Operation at air temperatures routinely below 0 °C (32 °F)—below freezing.
A. Mobil 1™ full synthetic ATF
B. Royal Purple® full synthetic ATF
C. Valvoline™ full synthetic ATF
D. Amsoil® full synthetic ATF
E. PetroBlend (Mason City, IA) PHO 0022S (synthetic group 3 base blend)
F. Bellman all temp 22 (Bremen, IN)
G. Multivis (all temperature) ISO 22 hydraulic fluid
H. Mobil 1™ 0W-16 synthetic motor oil
I. Or any ATF or hydraulic fluid with a pour point lower than -45 °C (-49 °F).
J. Or any ATF or hydraulic fluid (conventional or synthetic) with a pour point lower than
-46 °C (-51 °F).

Extreme Cold - Operation at air temperatures routinely below -18 °C (0 °F)—extreme cold.
A. Kendall® Hyken Glacial Blu
B. Benz oil (Milwaukee, WI) Flomite 530
C. Mobil 1™ 0W-16 synthetic motor oil
D. Or any conventional or synthetic ATF or hydraulic fluid with a pour point less than -57 °C (-71 °F)
and viscosity less than 2850 cP (3282 cSt) @ -40 °C (-40 °F ).

If you have one of the fluids already specified for cold use there may be moisture built up in the fluid that needs to be replaced and the old fluid flushed from the system.