[AT] Noise Concerns, John Deerre

Ron Cook ron at lakeport-1.com
Sun Apr 5 07:16:08 PDT 2015


My dad bought a pair of 4020 diesel powershift tractors in 1966. One is 
still on the farm and in use.  The other is long gone, as one of my 
brothers insisted it get the M&W turbocharger kit because one of his 
cousins had bought a new IH1468 when he came home from Vietnam.  I was 
long gone from the farm by then and I couldn't tell you about noise.  I 
can, however, say that 4020 did not last long. Turbocharging it ruined 
it.  It was replaced with a 4630 in 1974.

It seems us older fellows thought more noise meant more power, and the 
younger ones thought a very whiny turbocharger was the power.

I played in a rock and roll band with amplifiers blaring behind me. 
Spent hundreds upon hundreds of hours on two-cylinder John Deere 
tractors.  Drove hot rods with open exhaust on and off the drag strip.  
Spent in the neighborhood of ten thousand hours behind a radial engine 
in my cropdusters.  My hearing is okay.

Did someone say something?

Ron Cook
Salix, IA

ps:  My hearing is actually not all that bad.  I wore good crash helmets 
in the cropdusters, or I would likely be deaf.  My ears still rang after 
a day of flying, until I went to sleep.  Okay the next morning.

On 4/5/2015 7:38 AM, Gene Dotson wrote:
>      4320 had a turbo, but no hydrostatic transmissions in this era. 4320 was
> John Deere's answer to the M&W turbo installations Was modified to run
> cooler with oil spray to bottom of pistons.
>
>                  Gene
>
>
>
>
>
>
> -----Original Message-----
> From: jtchall at nc.rr.com
> Sent: Sunday, April 05, 2015 7:50 AM
> To: Antique tractor email discussion group
> Subject: Re: [AT] Noise Concerns
>
> Not a 4020, at least not stock. They didn't come with a turbo. Our 4430 did
> however.
>
> John
> o/at
>
>




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