Mack Boring sells and supports ZF marine gearboxes and parts.
ZF Marine provides transmissions (reversing, non-reversing and hybrid), propellers, thrusters, steering systems and electronic control systems for a comprehensive range of applications with a power range from 10 to 12,000 kilowatts in commercial and fast crafts as well as in pleasure crafts and yachts.
The product range is continuously developed and adjusted to meet market requirements. Complying with safety standards, reliability, environmental compatibility, economic operation and customer comfort are top priorities.
Please use the gear selector tool linked below. The gear selector tool is an excellent resource for all of your gearbox needs. It allows you to search by HP & RPM, Transmission Type, Transmission series, and Transmission Power Range. Depending on what you enter into the search it will bring you a list of gears or the exact gear you searched for. Click on the the gear and all documentation on the gear will be listed and is downloadable.
Highly intermittent operation with very large variations in engine speed and power.
Average engine operating hours limit:
Typical hull forms: Planing
Applications: Private, non-commercial, non-charter leisure activities, no racing
Intermittent operation with large variations in engine speed and power.
Average engine operating hours limit:
Typical hull forms: Planing and semi-displacement
Typical applications: Private and charter, sport/leisure activities, naval and police activities
Intermittent operation with some variations in engine speed and power.
Average engine operating hours limit:
Typical hull forms: Semi-displacement and displacement
Typical applications: Charter and commercial craft (example: crew boats), and naval and police activities
Continuous operation with little or no variations in engine speed and power.
Average engine operating hours limit:
Typical hull forms: Displacement
Typical applications: Heavy duty commercial vessels
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