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NEWS | April 5, 2023

JLTV: Transmission Fluid NSNs

BLUF: Use only authorized transmission fluid NSNs for your JLTV’s transmission.   

Marine Corps joint light tactical vehicle (JLTV)
Photo by Cpl. Grace Gerlach

Dear Editor,
As a field support representative (FSR), I supported a unit with a JLTV that was performing poorly after its transmission service. The unit had a POL point nearby with DEXRON VI and had mixed some in with the TES-295, which caused the performance problem.

That’s how I discovered to never mix other fluids in the JLTV’s transmission. The lube order in TM 9-2320-452-10 (Oct 18) says to use TES-295 transmission fluid in the JLTV. Units can order it using these NSNs:
NSN 9150- Qty
01-552-9119 1-qt
01-565-0981 Six 1-gal bottles
01-552-9157 5-gal container
01-551-2796 55-gal drum

Mario Gonzalez
29 Palms, CA 
Editor’s note: Thanks for the insight, Mario!

Operators and maintenance personnel, use only TES-295 transmission fluid in the JLTV. That’s because mixing other fluids will degrade the transmission’s performance and lead to unnecessary maintenance issues.
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