PTO Clutch 4144116 For Bobcat Zero Turn Mower ZS4000. Part Name: PTO Clutch. Application: Fits For Bobcat Zero Turn Mower: ZS4000. Note:? Please check pictures for more details. More quantity, please contact customer service. Please make sure it will fit your machine before purchasing it. If you are not 100% sure this is what you need, please find out your engine model, series number and contact our Customer-service. All these transport timeliness Don’t apply to remote districts. Please make sure it is correct. We will do our best to offer you satisfied resolutions.