Description
When something goes wrong with your transmission and you need to disconnect power to the gearbox for maintenance, this isolation switch is exactly what you need. This switch prevents dangerous starting conditions and ensures safe operation around your equipment. Whether you’re troubleshooting transmission problems or performing scheduled maintenance, having proper electrical isolation from the gearbox keeps both you and your tractor safe.
Key Features
- Heavy-duty contacts designed to handle constant cycling and resist wear
- Internal mechanisms resist contamination from dust and moisture
- Direct replacement for original equipment – plugs right into existing wiring
- Engineered to original equipment specifications for dependable operation
- Provides both control signals and safety feedback to the tractor’s electrical system
Built for Real Farm Work
This switch fits a wide range of Ford New Holland tractors from the smaller 10 Series utility tractors right up through the powerful TW Series models, plus TS and 40 Series machines. It also fits various telehandlers and industrial equipment. These are the workhorses handling everything from hay production and grain harvesting to heavy tillage and loader work where reliable electrical control is critical for safe operation.
Made to Last
This replacement switch uses heavy-duty contacts designed to handle constant cycling and resist contamination that eventually defeats original switches. Quality construction ensures consistent switching action throughout the switch’s service life. It’s built to handle the vibration, moisture, and temperature swings that come with farm work.
Installation Notes
Professional installation is recommended to ensure proper electrical connections. Always disconnect battery power before electrical work. The wiring harness for this switch is part number 41493 if you need to replace that as well. After installation, test all functions to ensure proper operation before putting the tractor back to work.



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