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John Deere R

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smoker

01-10-2002 06:46:36




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What are the good sides and bad sides of the John Deere R? I just brought home a 1950 R this last weekend and I am new to the two cylinder area. Also, who can rebuild the pumps and injectors and also set the pump up for tractor pulling? What can be done to the motor to get more horsepower?




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Green Envy

01-10-2002 17:29:59




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 Re: John Deere R in reply to smoker, 01-10-2002 06:46:36  
The John Deere R/80/820/830's were great tractors. They were built tough, had amazing lugging ability, and they were one of the most fuel efficient tractors ever made. Every oldtimer that farmed with one around my area has told me this. I got a neighbor that still uses one to farm with and I farm with an 820 just to get the experience of farming without a cab. I like the operator's plantform on them because there is room to stand up while placing your hands on the top of the steering wheel. They are also very simple and easy to maintence. We burnt the clutch out our 820 and it took us 10 minutes to replace it once we got the parts and tools in one spot. My biggest kick I get out of them is listening to those 2 cylinders pound away at idle speed.

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Denny Frisk

01-10-2002 12:26:46




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 Re: John Deere R in reply to smoker, 01-10-2002 06:46:36  
The 2-cyl. pony engine is barely enough to start the main diesel when it's really cold. In summer it will be O-K but forget running it in the winter. The diesel engine only has 2 main bearings, there's NO center support and cranks have been known to break when lugged at their low 45 HP rating. The PTO's were weak. The one Dad had for 6 months He sold to the Township hyway dept. They knocked the PTO out 3 times in 2 years running a PTO powered rototiller. The 770 Oliver diesel they replaced the R with ran the same tiller for over 10 years without a problem. The R was fuel efficient, but not a very operator friendly tractor... I was about 12-13 when Dad had it... First tractor I ever did field work with... Dad even put power steering on it for me. We pulled 3-14's with it most of the time....I got tired of shifting into 1st gear trying to pull 4-14's. Too slow for road work too... 11 MPH 5th gear.

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Rich

01-11-2002 06:36:14




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 Re: Re: John Deere R in reply to Denny Frisk, 01-10-2002 12:26:46  
If you had to use low gear for 4-14s you either had a very sick R or were plowing asphalt. I pull 4-14s regularly and even in the hardest ground have never used 1st gear. Mine dynos at 50 hp and is stock. I use the tractor all winter hauling wood and have started it at below zero temperatures several times. You are right about the pto, they like to twist off. If you look closely at most Rs the pto shaft has a slight twist.

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Denny Frisk

01-11-2002 07:34:07




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 Re: Re: Re: John Deere R in reply to Rich, 01-11-2002 06:36:14  
It was a warm day when the dealer dropped it off in the yard and Dad parked it in the machine shed & shut it off. It turned cold a couple days later, 10 degrees or so. We burned up 2 full cups of gas in the pony motor and couldn't get a pop out of the diesel. I guess there's a reason why the R was the only diesel that had a 2-cyl. pony motor. When it warmed up Dad finally got it started and drove the 20 miles over to what was supposed to be the best deere diesel mechanic in northern IL.. At least HIS pony start 730D runs well..... The R got the rack run, all new filters, injectors cleaned; don't think it got dyno'd. Tractor didn't have too many hours on it either. It would pull 4-14's in 3rd in corn ground, but in alfalfa sod it was 2nd. gear and one field had a nasty clay hill that would pull it down too slow and That's where Dad caught Me and said I needed to use low gear. I made about 2-3 rounds then jumped on the Super M-TA pulling 3-14 in 3rd gear. The last of the alfalfa We plowed We traded the deere 4-14 to a neighbor for His #8 IHC 3-14 and ran the R in 3rd. We still had 16 acres of rolling clay hills in corn ground left to plow when Dad sold it to the township road commissioner for what He paid for it. I plowed that with the M-TA pulling the 4-14's. The R may have had a little more power than the M-TA, but not much. I do agree with the 2 gal. an hour comment... 10 hr days on the 22 gal. fuel tank were no problem.. I actually thought it would have been a good tractor to run Our Deere #30 combine. The next few years Dad had a 450 Farmall. Then He bought a 4010D... Started It off the same was as the R, same mechanic did the tune-up. Tractor would surge under load all the time. Had a diff. mechanic come over one night & rebuild the inj. pump. After that the 4010 ran more like a 4020 than a 3010. So maybe the Best Deere Mechanic Around wasn't so good maybe!!! I will say this about the R, My ears rang for HOURS after I spent the day on that thing!

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Herbe

01-10-2002 10:57:42




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 Re: John Deere R in reply to smoker, 01-10-2002 06:46:36  
Smoker
The John Deere "R" is a great tractor.That is really bulit! As for the pump rebulid and trun up
call Albert at Renaissance Tractor 1-800-784-0026
or 1-360-784-0026 he is in Chehalis,WA. Hope this is some help. CjW



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Brandon

01-10-2002 08:24:29




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 Re: John Deere R in reply to smoker, 01-10-2002 06:46:36  
The only bad side that I know about is the pony engine. If that needs rebuilt, prepare to spend a bunch of money. I've heard that they cost more to rebuild than the big diesel!

Visit a great website about the R, at the link below.

Brandon



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