Genuine new ZF 3217093014 (3217-093-014) mechanical troll valve. Adds trolling functionality to ZF transmissions with MB15 or MB30 control valves.

Must be installed by a trained professional.

Features

• Allows the number of propeller revolutions to be changed independently from the engine running speed.
• Often used when the boat speed is too high while the engine is idling, or when the rotation speed of the power takeoff (PTO) must be greater than the propeller rotation speed.

ZF Transmission Compatibility
Transmissions with MB15 and MB30 control blocks only.

• 220
• 280-1, 280-1A, 280IV
• 285A, 285IV
• 286, 286A, 286IV
• 301A, 301C, 301-1A, 301-1C
• 302IV
• 304A, 304C
• 305A, 305-2, 305-3A, 305-3
• 311, 311A, 311A-1
• 325-1, 325-1A, 325IV, 325-1TS, 325-1ATS
• 335IV
• 350-NLA, 350A-NLA, 350IV, 350V
• 360, 360A, 360IV
• 370V
• 400, 400A, 400IV, 400V
• 500, 500A, 500IV, 500-1A, 500-1IV
• 510A, 510-1A, 510V
• 550, 550A, 550V, 550-1, 550-1A, 550-1V
• 665, 665A, 665V
• W320, W325, W340, W350-1

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