Katsa specializes in the manufacturing of high-precision gearwheels and other gear components designed for demanding applications. Our in-house production capabilities include:

• Case-hardened and ground tooth flanks up to Ø 1600 mm
• Gear cutting up to Ø 2400 mm
• Ground worms up to Ø 350 mm and worm wheels up to Ø 1300 mm

Katsa’s vehicle drivetrain gearbox portfolio includes both electric and traditional drivetrain solutions:

Electric Drivetrain Gearboxes:

• L200 2-speed electric drivetrain transmission
• L400 2-speed electric drivetrain dropbox
• 2AL250 single-speed electric drivetrain dropbox
• PL345 planetary electric drivetrain reduction gearbox

Traditional Drivetrain Gearboxes:

• Customized drivetrain transfer gearboxes
• L430 drivetrain PTO upbox
• 2AL250 versatile drivetrain transfer gearbox

Designed for reliability and performance, Katsa’s drivetrain solutions meet the demands of various vehicle applications.

Katsa’s marine product portfolio includes firefighting and large pump clutch gearboxes, pump drive PTO/generator clutch gearboxes for fishing vessels, workboats, tugboats, and yachts, as well as thruster PTO clutch gearboxes and waterjet PTO clutch gearboxes.

Engine Power Range 200 –1400 kW
Directly Diesel-Engine mounted with SAE flange
Up to 4x PTO´s for hydraulic pumps or other devices.
Wet Running multi-plate clutch up to 11.000 Nm
Integrated Lubrication System & Oil-Sump
Full Clutch Control system

Katsa Service provides a comprehensive range of after-sales solutions for gear units and mechanical power transmission systems. These include spare part deliveries, reverse engineering, gearbox refurbishment, and modernization projects. Additionally, Katsa offers gearbox upgrades to enhance the technical performance of processes. The service division has dedicated in-house engineering and sourcing capabilities, along with a specialized workshop for gearbox refurbishment.

With decades of expertise, Katsa partners with leading OEMs to deliver high-quality power transmission components for marine applications. 

Our gearwheels, turning devices, steering gear rims, pinions, and gearboxes are integral to propulsion systems, steerable thrusters, winches, drilling machinery, and deck equipment onboard vessels worldwide. We also supply gear units for fire pumps, PTO drives, and offshore machinery. 

Typical Marine Classification to DNV-GL, ABS, BV. Other classes on request.

Katsa provides gearbox services and components for steel plants and equipment manufacturers, with expertise in modernizing and upgrading gearboxes. 

We excel in rapid responses to urgent needs, offering in-house design and manufacturing to replace broken gearwheels, even without original drawings. Our team can assess issues on-site and collaborate with customers to determine the best solutions. 

Katsa´s PTO Clutch Drives are recognized as the most efficient and reliable products for Mobile Working Machines. Main applications are Mobile Rock Crushers and similar technology can be adapted eg. for Mobile Screeners, Shredders or Wood Chippers.

Our capabilities includes offering the flexible Katsa 350-Series Platform products or fully tailored configuration for achieving the highest performance for your Mobile Machine.

Katsa specializes in custom gearboxes and components for mining and construction industries, with decades of experience in rock crushers, stone mills, conveyors, and mining vehicles. 

Our expertise includes mixer and flotation cell gearboxes, medium-sized mill gear units, and other specialized applications. Recent investments in production capacity enable us to manufacture increasingly large gear units. Our gearboxes excel in space-restricted, weight-sensitive, and high-efficiency applications, and we provide solutions for refurbishments and new installations. With a dedicated heat treatment plant and large-module gear production, we ensure durability and long service life for demanding power transmission needs. 

Katsa has been a trusted partner in the pulp and paper industry since its inception, providing KV worm gear actuators for precise paper machine control, including headbox operations. 

We also produce reeling drum couplings, gearwheels, and gear units for drum debarkers, sheet forming, and sheet cutters. In addition, Katsa offers gearbox servicing, spare parts, and modernization solutions tailored to individual needs and replacement projects. 

Katsa designs and manufactures PTO and drop boxes for the power transmission systems of heavy specialized vehicles, including mining vehicles, hybrid buses, and military transport. We also provide the defense industry with custom gearboxes built for demanding conditions, such as mine-clearing vehicles. 

Additionally, Katsa produces high-quality gear components for European rail vehicle manufacturers, meeting industry standards with capabilities like precision balancing to ensure performance and reliability. 

Katsa Oy
Marskinkatu 25
FI-39500 Ikaalinen
Finland