DrewL
Gold Member
If the exhaust has a "snapping" sound to it the mufler is most likely rotted out from the inside yet the outside jacket is intact
loud tractor
- Thread starter jimmysisson
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tawilson
Platinum Member
I've got a 2120 also. If I'm going to be on it for long, I wear some hearing protection. Maybe I'm imagining it, but part of what I hear is exhaust, but it seems like a lot is coming from the engine itself. It's got 1500 hours on it, and the valves have never been adjusted. I just had it at the dealers 2 months ago for clutch replacement, and mentioned the valves to them, and they didn't think they needed it (they didn't check them). I'm wondering if the valves do need adjusting, would that make a difference in the noise level. Has anyone done it and did it make a difference?
OP
jimmysisson
Veteran Member
- Joined
- Jul 11, 2005
- Messages
- 2,358
- Location
- W.Mass
- Tractor
- 1993 NH 2120 (the best), 1974 MF 135 (sold, but solid), 1947 Farmall A (bought, sold, bought back, sold again), 1956 MH50 lbt (sold, in 1980, darn it)
ta- I think some of what I hear is mechanical, and I haven't checked valve clearances and probably won't until Spring. That's a good idea anyway, most likely. It looks like I might be ablt to unbolt and swing the muffler/stack forward 90 degrees and might try that with a new muffler. I do like the exhaust up out of where I am better, though... Another thought I had is my soft-side Curtis cab. It used to have some headliner or maybe insulation under the roof but it looks like if fell off. Maybe that would quiet down the booming, if the roof makes it worse. I wear NR30 "ears" all the time I'm near this machine, a small price to pay for saving what's left of my hearing. Thanks all for your ideas.
Jim
Jim