Description
When your Massey Ferguson starts running hot during harvest or that fan roars constantly even on cool mornings, it’s time to look at that viscous fan clutch. This temperature-sensitive component automatically engages the fan when needed and frees up valuable horsepower when it’s not. Your 6700 or 7700 series tractor deserves a cooling system that’s as smart as the rest of the machine.
What You’re Getting
- Temperature-sensitive viscous coupling that responds to actual cooling needs
- Progressive engagement that prevents shock loads on belts and bearings
- Saves 5-10 horsepower during normal operation compared to a locked fan
- Sealed unit that maintains calibration throughout service life
Built for Real Farm Work
Your 6700 and 7700 series tractors handle everything from heavy tillage to transport runs, and this viscous clutch adapts to whatever you’re doing. Whether you’re making long transport runs where reduced fan drag saves fuel, handling variable-load fieldwork, or running heavy PTO applications needing maximum horsepower, this clutch automatically adjusts to give you exactly the cooling you need.
Made to Last
Inside this clutch is specially formulated silicone fluid that stays thin when cold, letting the fan slip and reducing power draw. As operating temperature rises, the fluid thickens progressively, smoothly engaging the fan. The sealed construction prevents contamination that would throw off the carefully calibrated response.
Good to Know
Handle the unit carefully during installation – never turn it upside down or store it on its side, as this can cause the silicone fluid to migrate. Check your fan blades for damage before installation – a bent fan will destroy a new clutch quickly. Installation typically takes 45-60 minutes.
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