Posted 4/8/2021 14:23 (#8940091 - in reply to #8938726) Subject: RE: Air shift PTO on Allison transmission engagement speed adjustment
The pto on a 4500 rds Allison would make no difference what gear you have it in, The pto always runs when turn on.
Two things I can think of is
Put a oil restrictor in after the solenoid on the pto. or
Take the pto apart and put a wave plate in the clutch instead of one of the steels