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John Deere Tractors Discussion Forum
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jon barton

01-18-2013 07:50:06

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i"m rebuilding the big motor in my "R". the injector nozzles are no good. john deere doesn"t have anything for this model. does anyone know of a shop or place that rebuilds these nozzles or has them in stock? are there any other injectors that will interchange with the "R"?? thanks for any help

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01-20-2013 21:58:11

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 Re: 'R' INJECTOR NOZZLES in reply to jon barton, 01-18-2013 07:50:06  
You need to know which pistons are in the tractor if you are going to change over to the later injectors... if you still have the R pistons with the precombustion chamber in them.. then you need to stick with the spray angle of the R injectors... the injector hole in the head needs to be bigger if you are going to the later injectors.. its an easy task.. but its been too long since doing one to remember how much bigger you have to go.. Its not much.. but has to be done...
Good Luck... cool tractors...

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01-19-2013 15:24:18

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 Re: 'R' INJECTOR NOZZLES in reply to jon barton, 01-18-2013 07:50:06  
Just bore the head to take the later 70,80 etc injectors.

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jon barton

01-19-2013 18:43:56

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 Re: 'R' INJECTOR NOZZLES in reply to buickanddeere, 01-19-2013 15:24:18  
buickanddeere...could you elaborate on the 70-80 injector conversion. do things hook up without modifications and will the "R" injector pump work for the non-R injectors? what else does it involve? have you done this conversion? thanks for the reply

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01-20-2013 11:13:38

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 Re: 'R' INJECTOR NOZZLES in reply to jon barton, 01-19-2013 18:43:56  
Never done it myself but the R pullers do it all the time to obtain 830 power from an R. They update the pumps to 13mm too. The info is in the two cylinder service manual. iirc the R uses the same 10mm pumps as the 70,80 and early 820.

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01-19-2013 07:53:49

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 Re: 'R' INJECTOR NOZZLES in reply to jon barton, 01-18-2013 07:50:06  
Try John at Odon Machine in Odon Indiana. He rebuilt mine and they're fine and dandy.

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russ turner

01-18-2013 16:26:50

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 Re: 'R' INJECTOR NOZZLES in reply to jon barton, 01-18-2013 07:50:06  
800 784 0026 They do an excelent job of rebuilding fuel systems and have used parts

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01-18-2013 15:26:27

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 Re: 'R' INJECTOR NOZZLES in reply to jon barton, 01-18-2013 07:50:06  
I have tips for an r if thats what ya need .6o5 six 85 three463 nozzles or needles and seats from 4010 will work for bendix injectors

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jon barton

01-18-2013 17:58:04

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 Re: 'R' INJECTOR NOZZLES in reply to skip33652, 01-18-2013 15:26:27  
skip...i am interested in the parts you have there a way to contact you? thanks

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01-18-2013 11:39:45

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 Re: 'R' INJECTOR NOZZLES in reply to jon barton, 01-18-2013 07:50:06  
Check ebay, I see them on there a lot. Doug

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Rich Duane

01-18-2013 09:24:46

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 Re: 'R' INJECTOR NOZZLES in reply to jon barton, 01-18-2013 07:50:06  
Jon, Are your nozzles plugged or what? I have had a lot of luck cleaning them for a gentleman in Hamstead, MD that overhauls the pumps and injectors. His name is Stewart Graf 4203 Hunter Rd. Hampstead,Md phone is 443-375-1946. Rich

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jon barton

01-18-2013 11:30:21

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 Re: 'R' INJECTOR NOZZLES in reply to Rich Duane, 01-18-2013 09:24:46  
my injectors have unrepairable nozzles or tips. i need new or used parts to fix them. i called stewart graf and he couldn"t help me. i had another man call and tell me where i could buy them for $361 plus a $100 core charge....EACH! i was hoping someone had gone this route before and could direct me to a source for repair or new or used parts. i was also hoping that there might be some other john deere model that might interchange with the "R". thanks for your reply.

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