ZF25–85 Series

ZF63C

Part Number: ZF-63C

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ZF63C marine transmission by ZF Marine. Maximum input 525 HP (392 kW) at 5500 RPM. Available ratios 1.000. Rated for pleasure duty, pleasure duty (gasoline) and light duty service. ADR Power Systems supplies, installs, services and repairs ZF marine transmissions and stocks ZF parts.

Input Power:525 HP (391 kW)

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View on ZF Website

Detailed Specifications

Transmission Specifications

Max Input Power:
525 HP (391 kW)

Power Ratings

DutyRatio (A position)Ratio (B position)hp/RPMRPMhpRPMhpRPMhpMax hpMax RPM
PD1.0001.0310.09552800267330031538003635255500
PD-G1.0001.0310.09552800267330031538003635255500
LD1.0001.0310.06712100141250016828001883695500

PD = Pleasure Duty, PD-G = Pleasure Duty (gasoline), LD = Light Duty. For ZF 45 C, ZF 45 IV, ZF 45-1 IV, ZF 48 IV and ZF 63 C - Full power in 'A' POS only, 'B' POS for docking and low speed. Ratings per ZF Marine technical data sheet of 2026-04-02.

Key Features

  • Maximum input power: 525 HP (392 kW) at 5500 RPM
  • Gear ratios: 1.000
  • Duty ratings: pleasure duty, pleasure duty (gasoline), light duty