Description
When your hydraulic oil gets too hot, your system starts acting up—sluggish response, jerky movements, and eventually expensive component failures. This hydraulic oil temperature warning switch gives you an early heads-up when things are heating up, so you can shut down before costly damage occurs. It’s like having a watchdog for your hydraulic system that never takes a break.
What You’re Getting
- Reliable temperature monitoring that triggers warning lights when hydraulic oil overheats
- Precise switching mechanism designed to handle the demands of farm equipment
- Direct replacement for original equipment—no modifications needed
- Durable construction that withstands hydraulic system pressure and temperature cycles
Built for Real Farm Work
This switch is designed for Ford New Holland 40 Series tractors including the 5640, 6640, 7740, 7840, 8240, and 8340 models. These mid to heavy-duty tractors handle everything from loader work and cultivating to hay operations and heavy PTO work where hydraulic systems work hard all day long.
Made to Last
Hydraulic systems generate serious heat under load, and this switch is built to handle those temperature swings without failing. The sensing element responds quickly to temperature changes while the electrical connections stay secure despite constant vibration and pressure cycling.
Good to Know
Installation involves threading the switch into your hydraulic system’s temperature monitoring port and connecting it to your dashboard warning light circuit. Make sure the hydraulic system is cool and depressurized before installation. Test the warning light after installation to ensure proper operation.



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