Description
If you’ve been dealing with a rear window that won’t stay open or slams shut while you’re trying to get some airflow through the cab, you know how frustrating it can be. A worn gas strut makes simple ventilation a constant battle, and nobody needs that when there’s work to get done. This replacement strut brings back the smooth, controlled window operation your Duncan cab was designed to have.
What You’re Getting
- 250 Newton force rating that’s precisely matched to your window weight for smooth operation
- 290mm overall length with 90mm ram extension for proper fit and function
- Quality construction that handles the daily bumps and vibration of farm work
- Direct replacement for original Duncan cab struts – no modifications needed
Built for Real Farm Work
Duncan Engineering has been making quality aftermarket cabs for decades, and their struts are built to handle the demanding conditions of agricultural work. Whether you’re running a Massey Ferguson 135 for hay work, livestock chores, or general farm duties, that rear window ventilation becomes critical during long working days, especially in dusty conditions or hot weather when every bit of airflow makes a difference.
Made to Last
This strut uses high-quality seals and components designed to maintain consistent pressure through temperature swings and the constant vibration that comes with tractor operation. The 250 Newton rating is carefully calculated to provide just the right amount of lift assistance without making the window feel uncontrolled or unsafe.
Good to Know
Before installing, double-check that your existing strut is indeed rated at 250 Newtons – using a strut with the wrong force rating can damage your window or create safety issues. Support the window properly during installation to prevent it from dropping unexpectedly. If one strut has failed, the other is probably not far behind, so consider replacing them as a pair for balanced operation.






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