PTOs on Auto boxes have an internal clutch pack that is operated by a solenoid to engage.
On things like refuse trucks the pto will be permanently engaged and the hydraulic flow dumped to tank when the hydraulics are not required.
PTOs on Auto boxes have an internal clutch pack that is operated by a solenoid to engage.
On things like refuse trucks the pto will be permanently engaged and the hydraulic flow dumped to tank when the hydraulics are not required.