Used ZF 665A 1.971 Ratio Marine Gearbox. Perfect Condition and Ready to Install !!
ZF 665A 1.971:1 Ratio Marine Gearbox
$5,940.00
Used ZF 665A 1.971 Ratio Marine Gearbox. Perfect Condition and Ready to Install !!
ZF 665A 1.97:1 522 kW 700 HP 1800 Rpm Marine Transmission
The ZF 665A marine transmission with a 1.971:1 gear ratio is a robust, reverse-reduction marine gearbox designed for high-performance commercial and pleasure craft applications.
SPECIFICATION
Manufacturer: ZF Marine
Model: 665A
Gear Ratio: 1.971:1
Dry Weight: Approx. 253 kg (558 lbs)
Bell Housing / Flywheel Adapter: SAE #1 or SAE #0 options
Rotation: Counter-Clockwise (CCW)
Maximum Power: Up to 522 kW (700 hp) @ 1800 RPM
Duty Ratings (kW / RPM factors):
- Pleasure: 0.434 kW/RPM
- Light Duty: 0.372 kW/RPM
- Medium Duty: 0.310 kW/RPM
- Continuous Duty: 0.290 kW/RPM
Nominal Clutch Oil Pressure: 23 bar
Shifting Controls: Mechanical or Electrical shift (12V / 24V options)
Trolling Valve: Electrical compatibility
KEY FEATURES
Lightweight & Durable Housing: Built with a high-strength aluminum alloy casing engineered to withstand harsh marine environments.
Multi-Disc Clutches: Features hydraulically actuated multi-disc clutches designed for smooth and fast forward, neutral, and reverse transitions.
Flexible Integration: Compatible with major marine diesel engine brands (such as Caterpillar, Yanmar, and Baudouin) utilizing standard SAE bell housings.
Trolling Valve Option: Available with electrical or mechanical trolling options for precise low-speed vessel maneuverability.
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