Description
When your tractor starts sounding louder than a freight train, it’s time to replace that worn-out muffler. A good muffler doesn’t just keep the neighbors happy—it reduces engine noise so you can actually hear what’s going on around you while you’re working. This replacement muffler gets your tractor back to running quietly and efficiently.
What You’re Getting
- Direct replacement that fits like the original—no modifications needed
- 3-15/16 inch inlet diameter connects properly to your exhaust system
- 32-inch shell length provides proper exhaust flow and noise reduction
- Heavy-duty construction built to handle the heat and vibration of diesel engines
Built for Real Farm Work
This muffler fits John Deere’s workhorse 4000 series tractors from the 4040 up through the 4640. These are the tractors that handle everything from field prep and planting to harvest and loader work. Whether you’re running a disc, pulling a planter, or moving hay, this muffler keeps things quiet while your engine does its job.
Made to Last
Farm equipment mufflers take a beating from constant heat cycling, road dust, and the occasional impact from equipment or brush. This one’s built with materials that can handle the temperature swings and corrosive exhaust gases that diesel engines produce, so it’ll keep doing its job season after season.
Installation Notes
The 1-1/2 inch inlet length gives you proper clearance for mounting without interference. Make sure to use high-temp exhaust paste on the connections to prevent leaks and extend the life of your new muffler. If you’re replacing clamps at the same time, now’s a good time to upgrade to heavy-duty ones.
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