used ZF marine gearbox ZF325-1 ratio 2.033:1 and ZF325-1A 1.485:1 with down angle
ZF 325-1 A Description
Robust design also withstands continuous duty in workboat applications.
Fully works tested, reliable and simple to install.
Design, manufacture and quality control standards comply with ISO 9001.
Compatible with all types of engines and propulsion systems, including waterjets and surface- piercing propellers, as applicable.
Suitable for high performance applications in luxury motoryachts, sport fishers, express cruisers etc.
Reverse reduction marine transmission with hydraulically actuated multi-disc clutches.
ZF 325-1 A Features
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.
Suitable for twin engine installations (same ratio and torque capacity in ahead or astern mode).
Replaceable oil filter cartridge.
Compact, space saving design: 7° down-angle and beveloid gear.
Pleasure Duty RATIOS MAX. TORQUE POWER/RPM INPUT POWER CAPACITY MAX. Nm ftlb kW hp kW hp kW hp kW hp RPM 2100 rpm 2300 rpm 2500 rpm 1.216, 1.485, 1.733, 2.037, 2.240* 2478 1828 0.2595 0. 2. 0.2334 0.
|Maximum Input **|
|Hardness:||Soft Tooth Surface|
What is a Gearbox and How Does It Work?
A gearbox is a mechanical device that transmits power and changes the speed or torque of a rotating input shaft to a different output shaft. It is commonly used in various machines and equipment to control the speed and direction of motion.
Here’s how a gearbox works:
- Input Shaft: The gearbox receives rotational energy from an input shaft connected to a power source, such as an electric motor or an engine.
- Gears: Inside the gearbox are a set of gears with different sizes. These gears mesh with each other, and their arrangement determines the gear ratio, which defines how many revolutions the output shaft will make for a given rotation of the input shaft.
- Output Shaft: The output shaft is connected to the machinery or equipment that needs to be powered. As the gears rotate, the motion and power are transmitted from the input shaft to the output shaft.
- Gear Ratio: By selecting different gear combinations, the gearbox can change the speed and torque of the output shaft. A higher gear ratio results in higher torque and lower speed, while a lower gear ratio provides higher speed and lower torque.
Gearboxes play a crucial role in various applications, including automobiles, industrial machinery, robotics, and more, enabling efficient power transmission and speed control.
editor by CX 2023-08-23