Gearbox model | Ratio | Transfer ratio “A” | Transfer ratio “B” |
ZF 25 A 8 ° down angle | 1,55 | 1,55:1 | 1,55:1 |
1,93 | 1,93:1 | 1,93:1 | |
2,29 | 2,29:1 | 2,29:1 | |
2,71 | 2,71:1 | 2,71:1 |
ZF 25 A Gearbox
Reverse reduction marine transmission with hydraulically actuated multi-disc clutches. ZF 25 A gearbox is suitable for high performance applications in luxury sailboats, motoryachts, fishing boats, etc. Fully works tested, reliable and simple to install.
Lightweight and robust aluminum alloy casing (sea water resistant). Case hardened and precisely ground gear teeth for long life and smooth running.
Output shaft thrust bearing designed to take maximum propeller thrust astern and ahead. Smooth and reliable hydraulic shifting with control lever for attachment of push-pull cable. Replaceable oil filter cartridge.
Manufacture, design and quality control standards comply with ISO 9001.
For specifications: Technical Datasheet