John Deere Idling at 144 rpms
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- เผยแพร่เมื่อ 16 ก.พ. 2013
- 1949 John Deere A idling. This tractor has about 40 hours on a complete overhaul. It is a very good runner & my favorite tractor. These 2-cylinder John Deeres fire 180 degrees apart, so you can distinctly hear each cylinder fire. When they idle at a normal speed, it sounds more like 1 pop instead of 2.
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pfft, big deal, my car does that for 5 minutes after I shut the key off... :p
Johnny Poppers fire 1 2 rest rest 1 2 rest rest...four cycle, crank throws 180 degrees apart. So, two power strokes on one rev, two exhaust/intake strokes on the other rev...hence, the pop-pop quiet-quiet, pop-pop quiet-quiet...
A lot of people also forget that old cars didn’t idle or run all that fast either, but this thing is the slowest I’ve heard
The sound of a finely-tuned engine :D
Like a hit and miss engine lol
I always called them the 1-1/2 cylinder tractor, the reason being that one cylinder always hits harder than the other, due to the 1st cylinder having to get the air fuel mixture moving because of the uneven firing engine. The second cylinder got more mixture faster. They didn't fix that until they went to a 2 barrel carb on later models, in which case both cylinders got equally starved, LOL
Can't see it too clearly in the video, but oil pressure was still normal
Sweet old tractor
During a time off period I was asked to "get the tractor running". The tractor was a 1954 gas model John Deer. The pistons were seized to cylinder. No amount of soaking in various snake oils freed it up, it took disassembly and a big sledge hammer. OK, pistons, rings,bearings, we are off and running. Quite a difference for me as I am usually working on various BMW model autos.
I'm doing a motor rebuild and partial restoration on my 1948 A right now. Can't wait to hear it run again. By the way, I've got an M35A2 also.
Niiiicccce!!! Love that low idle!! I'll have to lower my 51 A down a wee bit more...but maybe not quite as low as yours!!
Nothing like the sound of a old Johnny pop. I had a 50 & a 60 just have a 1941 H now but she still sounds good!
Very good running tractor. Wish mine would do that.
Love it
Love the video hope to see morr
Awesome video. My '41 runs like that too :-)
Haha! Watchin' this "Orchestral Johhnny Pop" music, here in L.A. with a big grin on my 63 year old face. Your Boy looks like A Veteran Train Engineer!
My apologies I guess 90 degrees on th distributer is 180 degrees on th crank as u suggested. I was wrong an u were right. I had not really given th topic sufficient thought before I commented. My apologies. That is a cool tractor not heard many that could run that slow
That's impressive
Totally thought it was a goner at