Description
When your New Holland starts sounding like a freight train instead of the dependable workhorse it used to be, it’s time for a new muffler. A blown-out muffler isn’t just about noise—it affects engine performance and makes those long days in the cab a lot less comfortable. This Tisco replacement brings back the quiet operation these tractors had when new, letting you focus on the work instead of protecting your ears.
What You’re Getting
- Vertical design fits perfectly in your New Holland’s tight engine compartment
- 6-inch round body construction handles the constant heat cycles of diesel operation
- 31-inch overall length matches factory specifications for proper clearance
- 2-3/8 inch inlet and 2-1/4 inch outlet dimensions ensure proper exhaust flow
- Direct replacement design uses your existing mounting hardware
Built for Real Farm Work
This muffler was engineered specifically for the New Holland 4835, 5635, 6635, 7635, and 7810 models from 1996 and up. These are the utility and row-crop tractors that handle everything from loader work to field operations, and they see plenty of hours during busy seasons. Whether you’re running a mid-size 4835 for hay and livestock work or putting a 7810 through its paces with heavy tillage equipment, proper exhaust function keeps your engine running efficiently.
Made to Last
Farm equipment takes a beating, and mufflers are no exception to the heat, vibration, and weather that come with agricultural work. This Tisco replacement is built with heavy-gauge steel that resists rust and corrosion while handling the constant temperature swings from cold starts to full operating heat.
Installation Notes
This is a direct bolt-in replacement that uses your existing clamps and mounting points. Before installation, check the condition of your exhaust pipe and clamps—after years of farm work, these often need attention too. A little penetrating oil on old clamp bolts makes removal much easier, and new clamps ensure a leak-free seal.





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