Auxiliary Mission Power Systems & PTO Solutions for Helicopters and Aircraft
Since 1996, Kawak Aviation has been a leading provider of auxiliary mission power hydraulic systems and power take-off (PTO) solutions for helicopters, starting with the Bell OH-58 and 206B models. Our expertise has expanded to include mission power systems for a wide range of aircraft, including:
- CH-47D Chinook
- Bell 212 / 412
- CH-54B Sky Crane
- Eurocopter AS565
- Hughes 500
- Bell UH series (B, H, L, & K)
- Sikorsky S-64E & F
- Sikorsky S-61
- Kaman K-1200
- SA315B Lama
- B47
- Hiller
- And more
Many of these aircraft require custom-engineered accessory drive gearboxes (PTOs) to draw power from the engine gearbox or rotor transmission—a Kawak specialty. In addition to our established product lines, Kawak continues to innovate, developing new accessory drive systems for a wide variety of aircraft platforms and mission-specific applications.
Don’t see your aircraft listed? Contact us with your requirements—we’re ready to design a solution tailored to your needs.
757 Cargo Door Hydraulics
Kawak was granted FAA/PMA approval to manufacture the hydraulic actuators utilized on the Precision Conversions B757-200PCF freighter conversion.
Bell 206L | Auxiliary Hydraulic System
Our Bell 206L Auxiliary Hydraulic System gives applicators an instant 30% boost in productivity over operators using honda spray systems.
Bell OH-58 & 206 | Auxiliary Hydraulic System
The OH-58/206 hydraulic system provides a versatile power source for attached or suspended implements.
Bell 47 | Auxiliary Hydraulic System
The Kawak Bell 47 auxiliary hydraulic pump is designed to provide an inexpensive, robust, and reliable replacement for pumps which have been previously installed.
Sikorsky S61 | Auxiliary Hydraulic System
Reliable auxiliary power provides power for Kawak 2000gpm refill pumps, dump cylinders, and grapple operations.
Kaman Kmax | Accessory Drive Hydraulic System
Reliable auxiliary power provides power for Kawak 2000gpm refill pumps, dump cylinders, and grapple operations.
Hydraulic Control Valves
These systems give you step-less repeatable flow control which means smooth operation reducing pressure surges associated with conventional check valves.
Accessory Drive Gearboxes
Kawak designs and manufactures specialized gearboxes for our FAA approved products as well as for other specialized and custom applications and industries.
A814 Gearbox Breather Vent Replacement
Kawak A814 replacement breather vents permit the free exchange of air and provide filtering for gear cases, engine oil reservoirs, drive units, and other systems that are vented to atmosphere.
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