K Series Helical Bevel Gearbox

About product

The K Series Helical Bevel Gearbox is a versatile bevel motor gearbox specifically designed for marine winch applications. With its helical bevel gear configuration, it offers efficient power transmission and precise torque delivery, ensuring reliable performance.

With its low-loss, two-stage design, this gearbox ensures high gearing efficiency of over 90%. This means that a minimal amount of power is lost during the transmission process, resulting in excellent energy utilization and reduced operational costs.

Additional information



Output Speed


Product Detail

The K Series Gearbox features a robust and durable design, capable of withstanding the demanding conditions encountered in marine environments. It is engineered to handle heavy loads and provide smooth and reliable operation for marine winches.

Designed to integrate seamlessly with marine winch motors, the K Series Gearbox ensures optimized power transmission and compatibility. It enables the motor to drive the winch effectively, delivering the required torque and control for various winching tasks.

The compact design of the K Series Helical Bevel Gearbox makes it well-suited for marine winch systems with limited space availability. It offers efficient power transmission while saving valuable space on board.

K Series Helical Bevel Gearbox Parameter

SizeK 47 57K 67 K 77K 87K 97K 107K 127K 157K 167 187
Input Power Rating/KW0.18-5.50.18-5.50.37-110.75-223-457.5-905.5-5511-16018.5-200
Permissible Torque (N.m)400/6008201550270043008000130001000032000/50000
Know Who We Are

About our company

Zava Marine Corporation is a leading supplier of marine parts and components. With a strong focus on quality and customer satisfaction, we specialize in providing a comprehensive range of high-quality marine equipment and accessories. Our products include deck equipment, ship accessories, and various other essential components needed for smooth maritime operations.

With a global presence, we serve a diverse customer base, including shipbuilders, shipowners, offshore operators, and marine equipment distributors. We are committed to providing exceptional service and tailored solutions to meet our customers’ unique needs.


Zava Marine offers a comprehensive range of certifications for marine parts in accordance with international standards and regulations. These certifications include those provided by renowned marine classification societies such as Lloyd’s Register (LR), Bureau Veritas (BV), China Classification Society (CCS), Registro Italiano Navale (RINA), American Bureau of Shipping (ABS), Nippon Kaiji Kyokai (NK), and Det Norske Veritas – Germanischer Lloyd (DNV-GL). By collaborating with these esteemed societies, Zava Marine ensures that our certified marine parts meet the highest standards of safety, quality, and performance, instilling confidence in our reliability and compliance within the maritime industry.

The warranty provided by Zava Marine covers defects in materials and workmanship for a period of two years from the date of purchase. During this warranty period, if any marine parts purchased from Zava Marine exhibit issues or failures resulting from manufacturing defects or faulty materials, Zava Marine will take responsibility for repair or replacement of the affected parts. 

Zava Marine has recently opened new molds for European and North American clients, utilizing materials such as metal, ABS, PVC, and more. These successful mold opening projects allow us to provide customized marine parts and components that meet the specific requirements of our clients in these regions.

Typically, Zava Marine can ship samples within 7 days once the product drawing has been mutually confirmed by both parties. This efficient process ensures that customers can receive samples promptly, allowing them to assess the quality and suitability of the products.

Zava Marine frequently utilizes a wide range of materials in our projects. These materials include aluminum, stainless steel, carbon steel, copper, plastics, titanium, and PEEK (Polyether Ether Ketone). Each material offers unique properties and characteristics suitable for various marine applications. 

Yes, we provide customization services for marine parts. We understand that every project and application may have unique requirements, and we are committed to delivering tailored solutions. By collaborating closely with our clients, we can adapt our products to specific specifications, ensuring optimal fit, performance, and compatibility. Whether it’s modifying existing designs or creating entirely new parts, our customization services cater to the diverse needs of the maritime industry.

Absolutely! We offer product design and development services to support our clients’ needs. Our experienced team of engineers and designers can collaborate with clients from concept development to final product realization. By leveraging our expertise in marine engineering and design, we can provide valuable insights and innovative solutions. Whether it’s optimizing existing designs or creating entirely new products, we are equipped to assist clients in bringing their ideas to life efficiently and effectively.

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Zava Marine