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What Type of Fluid Should be Used in Lippert Hydraulic Leveling System  

Updated 08/18/2025 | Published 08/23/2023

Question:

What type of hydraulic fluid is used in 2022 Grand Design hydraulic systems

0

Expert Reply:

The following automatic transmission fluid (ATF) recommendations for use in Lippert Components, Inc. (LCI)
hydraulic systems are based upon hydraulic system operation in various environmental air temperatures.

1. 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. Mercon® V ATF
C. Dexron® VI ATF
D. PetroBlend (Mason City, IA) PHO 0022S (synthetic group 3 base blend)
E. Bellman all temp 22 (Bremen, IN)
F. Or any ATF or hydraulic fluid with a pour point lower than -42 °C (-44 °F).

2. 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. Or any ATF or hydraulic fluid with a pour point lower than -45 °C (-45 °F).
H. Multivis (all temperature) ISO 22 hydraulic fluid
I. Or any ATF or hydraulic fluid (conventional or synthetic) with a pour point lower than
-46 °C (-50 °F).

3. 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. Or any conventional or synthetic ATF or hydraulic fluid with a pour point less than -57 °C (-70 °F)
and viscosity less than 2850 cP (3282 cSt) @ -40 °C (-40 °F ).

expert reply by:
0
Jameson C
Joseph profile picture

Joseph

8/18/2025

Can you mix synthetic and non-synthetic as i'm not sure what atf is in my 2021 lippert 3.0 leveling system

Jameson C. profile picture
Etrailer Expert

Jameson C.

8/18/2025

@Joseph Its generally not recommended although most won't have issues. It would have came with synthetic so I'd stick with that.

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