Product Details
Overhauled Alternator Drive Coupling
Designed to connect the alternator to the engine, ensuring reliable power generation for aircraft systems
This drive coupling is engineered for durability and efficiency, featuring a robust construction that includes high-strength aluminum for lightweight yet resilient performance.
- Longer service life
- Reduced maintenance needs
- Consistent, reliable performance in a variety of aviation applications
- Alternators and coupling drive tools also available!
Key Features:
- Approximately 1.2lbs
- Dimensions optimized for compact installation, with torque capacity up to 150lb-ft
- Operates effectively within temperature range of -40°F to 250°F
- Drive hub features refined coupling geometry that improves alignment and reduces vibration, ensuring a more sable connection between the alternator and the engine
- Precision machined components and improved lubrication system that reduces friction and wear
- Increased durability and resistance to wear and corrosion
In commercial and military aircraft, the drive coupling ensures stable alternator performance, which is essential for powering avionics and other systems. For recreational aircraft, it enhances engine efficiency and minimizes maintenance by providing a dependable connection. The 635796 drive coupling improves overall engine performance, reduces wear, and ensures consistent power output, making it a key component for reliable operation in diverse aviation environments.
Overhaul Service Includes:
- Thorough inspection to identify any wear or damage
- Meticulous cleaning to remove contaminants
- Replacement of worn or faulty parts with high-quality replacements
- Rigorous testing of drive hub to ensure it meets all performance and safety standards
Eligible Aircraft
| Make | Model | Start S/N | End S/N | Eligibility Chart |
|---|---|---|---|---|
| Continental | E-185 | 0 | ZZZZZZZZZZZZZZZ | 7797 |
| Continental | O-200-A | 0 | ZZZZZZZZZZZZZZZ | 7797 |
| Continental | O-200-B | 0 | ZZZZZZZZZZZZZZZ | 7797 |
| Continental | O-200-C | 0 | ZZZZZZZZZZZZZZZ | 7797 |
| Continental | O-200-D | 0 | ZZZZZZZZZZZZZZZ | 7797 |
| Continental | E-225 | 0 | ZZZZZZZZZZZZZZZ | 7797 |
| Continental | E165-2 | 0 | ZZZZZZZZZZZZZZZ | 7797 |
| Continental | E165-3 | 0 | ZZZZZZZZZZZZZZZ | 7797 |
| Continental | E165-4 | 0 | ZZZZZZZZZZZZZZZ | 7797 |
| Continental | IO-240-A | 0 | ZZZZZZZZZZZZZZZ | 7797 |
| Continental | IO-240-B | 0 | ZZZZZZZZZZZZZZZ | 7797 |
| Continental | GO-300-A | 0 | ZZZZZZZZZZZZZZZ | 7797 |
| Continental | GO-300-B | 0 | ZZZZZZZZZZZZZZZ | 7797 |
| Continental | GO-300-C | 0 | ZZZZZZZZZZZZZZZ | 7797 |
| Continental | GO-300-D | 0 | ZZZZZZZZZZZZZZZ | 7797 |
| Continental | GO-300-E | 0 | ZZZZZZZZZZZZZZZ | 7797 |
| Continental | GO-300-F | 0 | ZZZZZZZZZZZZZZZ | 7797 |
| Continental | O-300-A | 0 | ZZZZZZZZZZZZZZZ | 7797 |
| Continental | O-300-B | 0 | ZZZZZZZZZZZZZZZ | 7797 |
| Continental | O-300-C | 0 | ZZZZZZZZZZZZZZZ | 7797 |
| Continental | O-300-D | 0 | ZZZZZZZZZZZZZZZ | 7797 |
| Continental | O-300-E | 0 | ZZZZZZZZZZZZZZZ | 7797 |
| Continental | IO-360-A | 0 | ZZZZZZZZZZZZZZZ | 7797 |
| Continental | IO-360-AB | 0 | ZZZZZZZZZZZZZZZ | 7797 |
| Continental | IO-360-AF | 0 | ZZZZZZZZZZZZZZZ | 7797 |
| Continental | IO-360-B | 0 | ZZZZZZZZZZZZZZZ | 7797 |
| Continental | IO-360-C | 0 | ZZZZZZZZZZZZZZZ | 7797 |
| Continental | IO-360-CB | 0 | ZZZZZZZZZZZZZZZ | 7797 |
| Continental | IO-360-D | 0 | ZZZZZZZZZZZZZZZ | 7797 |
| Continental | IO-360-DB | 0 | ZZZZZZZZZZZZZZZ | 7797 |
| Continental | IO-360-ES | 0 | ZZZZZZZZZZZZZZZ | 7797 |
| Continental | IO-360-G | 0 | ZZZZZZZZZZZZZZZ | 7797 |
| Continental | IO-360-GB | 0 | ZZZZZZZZZZZZZZZ | 7797 |
| Continental | IO-360-H | 0 | ZZZZZZZZZZZZZZZ | 7797 |
| Continental | IO-360-HB | 0 | ZZZZZZZZZZZZZZZ | 7797 |
| Continental | IO-360-HB9 | 0 | ZZZZZZZZZZZZZZZ | 7797 |
| Continental | IO-360-J | 0 | ZZZZZZZZZZZZZZZ | 7797 |
| Continental | IO-360-JB | 0 | ZZZZZZZZZZZZZZZ | 7797 |
| Continental | IO-360-K | 0 | ZZZZZZZZZZZZZZZ | 7797 |
| Continental | IO-360-KB | 0 | ZZZZZZZZZZZZZZZ | 7797 |
| Continental | LTSIO-360-E | 0 | ZZZZZZZZZZZZZZZ | 7797 |
| Continental | LTSIO-360-EB | 0 | ZZZZZZZZZZZZZZZ | 7797 |
| Continental | LTSIO-360-F | 0 | ZZZZZZZZZZZZZZZ | 7797 |
| Continental | LTSIO-360-FB | 0 | ZZZZZZZZZZZZZZZ | 7797 |
| Continental | LTSIO-360-GB | 0 | ZZZZZZZZZZZZZZZ | 7797 |
| Continental | LTSIO-360-H | 0 | ZZZZZZZZZZZZZZZ | 7797 |
| Continental | LTSIO-360-HB | 0 | ZZZZZZZZZZZZZZZ | 7797 |
| Continental | LTSIO-360-JB | 0 | ZZZZZZZZZZZZZZZ | 7797 |
| Continental | LTSIO-360-KB | 0 | ZZZZZZZZZZZZZZZ | 7797 |
| Continental | LTSIO-360-LB | 0 | ZZZZZZZZZZZZZZZ | 7797 |
| Continental | LTSIO-360-MB | 0 | ZZZZZZZZZZZZZZZ | 7797 |
| Continental | LTSIO-360-RB | 0 | ZZZZZZZZZZZZZZZ | 7797 |
| Continental | TSIO-360-A | 0 | ZZZZZZZZZZZZZZZ | 7797 |
| Continental | TSIO-360-AB | 0 | ZZZZZZZZZZZZZZZ | 7797 |
| Continental | TSIO-360-B | 0 | ZZZZZZZZZZZZZZZ | 7797 |
| Continental | TSIO-360-BB | 0 | ZZZZZZZZZZZZZZZ | 7797 |
| Continental | TSIO-360-C | 0 | ZZZZZZZZZZZZZZZ | 7797 |
| Continental | TSIO-360-CB | 0 | ZZZZZZZZZZZZZZZ | 7797 |
| Continental | TSIO-360-D | 0 | ZZZZZZZZZZZZZZZ | 7797 |
| Continental | TSIO-360-DB | 0 | ZZZZZZZZZZZZZZZ | 7797 |
| Continental | TSIO-360-E | 0 | ZZZZZZZZZZZZZZZ | 7797 |
| Continental | TSIO-360-EB | 0 | ZZZZZZZZZZZZZZZ | 7797 |
| Continental | TSIO-360-F | 0 | ZZZZZZZZZZZZZZZ | 7797 |
| Continental | TSIO-360-FB | 0 | ZZZZZZZZZZZZZZZ | 7797 |
| Continental | TSIO-360-G | 0 | ZZZZZZZZZZZZZZZ | 7797 |
| Continental | TSIO-360-GB | 0 | ZZZZZZZZZZZZZZZ | 7797 |
| Continental | TSIO-360-H | 0 | ZZZZZZZZZZZZZZZ | 7797 |
| Continental | TSIO-360-HB | 0 | ZZZZZZZZZZZZZZZ | 7797 |
| Continental | TSIO-360-JB | 0 | ZZZZZZZZZZZZZZZ | 7797 |
| Continental | TSIO-360-KB | 0 | ZZZZZZZZZZZZZZZ | 7797 |
| Continental | TSIO-360-LB | 0 | ZZZZZZZZZZZZZZZ | 7797 |
| Continental | TSIO-360-MB | 0 | ZZZZZZZZZZZZZZZ | 7797 |
| Continental | TSIO-360-NB | 0 | ZZZZZZZZZZZZZZZ | 7797 |
| Continental | TSIO-360-PB | 0 | ZZZZZZZZZZZZZZZ | 7797 |
| Continental | TSIO-360-RB | 0 | ZZZZZZZZZZZZZZZ | 7797 |
| Continental | TSIO-360-SB | 0 | ZZZZZZZZZZZZZZZ | 7797 |
| Continental | C-75 | 0 | ZZZZZZZZZZZZZZZ | 7797 |
| Continental | C75-2 | 0 | ZZZZZZZZZZZZZZZ | 7797 |
| Continental | C-85 | 0 | ZZZZZZZZZZZZZZZ | 7797 |
| Continental | C-90-12F | 0 | ZZZZZZZZZZZZZZZ | 7797 |
| Continental | C-90-14F | 0 | ZZZZZZZZZZZZZZZ | 7797 |
| Continental | C-90-8F | 0 | ZZZZZZZZZZZZZZZ | 7797 |
| Continental | C-115-1 | 0 | ZZZZZZZZZZZZZZZ | 7797 |
| Continental | C-115-2 | 0 | ZZZZZZZZZZZZZZZ | 7797 |
| Continental | C-125-1 | 0 | ZZZZZZZZZZZZZZZ | 7797 |
| Continental | C-125-2 | 0 | ZZZZZZZZZZZZZZZ | 7797 |
| Continental | C145-2 | 0 | ZZZZZZZZZZZZZZZ | 7797 |
| Continental | C145-2H | 0 | ZZZZZZZZZZZZZZZ | 7797 |
| Continental | C145-2HP | 0 | ZZZZZZZZZZZZZZZ | 7797 |
Part Number Information
Supersedes Part Numbers
635796OE (Hartzell) | 635796R (Hartzell)
Cross-reference information
Cross Reference Reference only: Please verify the product is eligible for your aircraft before adding to your cart. OEM Part Number McFarlane Part Number Comment 635796OE 635796 635796R 635796
Additional product information
Approval: FAA PMA Sub-Component SupersedesPartNumber: 635796OE (Manufacturer: Hartzell) SupersedesPartNumber: 635796R (Manufacturer: Hartzell)
Frequently Asked Questions
What is the lead time for ordering this alternator drive coupling?
The lead time for ordering the 635796 Alternator Drive Coupling typically ranges from 5 to 10 business days, depending on availability and shipping options. For more precise timing, please check with our team.
What are the signs that my alternator drive coupling needs servicing or replacement?
Signs that your alternator drive coupling may need servicing or replacement include unusual vibrations or noises during operation, difficulty in generating consistent electrical power, visible wear or damage on the coupling, and reduced alternator performance. If you notice any of these issues, it’s important to inspect and address them promptly.
What maintenance schedule do you recommend for alternator drive couplings?
It is recommended to inspect the alternator drive coupling during routine maintenance checks or every 100-150 flight hours. Regular inspections help identify signs of wear or damage early, ensuring timely servicing or replacement and maintaining optimal performance. For more information on when to overhaul your drive coupling, read this blog by the AOPA.
Can I service the alternator drive coupling myself, or should it be done by a certified technician?
While minor inspections and cleaning can be performed by knowledgeable individuals, it is advisable to have servicing or replacement of the alternator drive coupling done by a certified technician. They have the expertise and tools to ensure the coupling is properly serviced or replaced according to industry standards and manufacturer specifications. However, QAA does provide Alternator Coupling Tool Kits to support inspection and installation of select models.
What is included in your overhaul service for the alternator drive coupling?
Our overhaul service for the alternator drive coupling includes a thorough inspection for wear or damage, cleaning to remove contaminants, replacement of any worn or defective parts, and rigorous testing to ensure the coupling meets performance and safety standards. The service is designed to restore the coupling to optimal condition, extending its lifespan and reliability.
How can I troubleshoot issues with my alternator drive coupling?
To troubleshoot issues with your alternator drive coupling, start by checking for any unusual vibrations or noises and inspecting the coupling for visible signs of wear or damage. Ensure that all connections are secure and properly aligned. If problems persist, consult the aircraft’s maintenance manual for specific diagnostic procedures or seek assistance from a certified technician to conduct a detailed inspection and identify the root cause.
