Great to see the response.
I perfer to recommend contacting Allison to confirm serial number, only if you feel your coach was mfg. mid 07 or later.
Some coaches require oil and two filter, others just one filter and replace the lost oil. After June 07 7500/36mo.
TranSynd tag is on dipstick and decal on transmission.
I saw a repair shop draining a transmission in November on a coach that didn't even have its new license plate yet. I told the shop owner about checking serial number. Well you guessed right it was a wasted oil and filter change, and I have a feeling they charged that customer.
Our local shop charges $250
Life Style
Tom
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