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John Deere Tractors Discussion Forum
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Anyone heard of a Roto-Diesel pump?

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backwoodsfarm

06-05-2007 08:23:00




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Looked at 1530 the other day and it had a Roto-Diesel injector pump. I have never heard of this pump and was wondering if anyone had any information on it?




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backwoodsfarm

06-05-2007 11:45:57




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 Re: Anyone heard of a Roto-Diesel pump? in reply to backwoodsfarm, 06-05-2007 08:23:00  
Were all german made JD's made with the French engine and the Roto-diesel pump? I have a 2555 with the French engine but I think it has the Roosamaster pump. Either way the 1530 sounded pretty darn good for it's age.



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jdemaris

06-06-2007 06:56:26




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 Re: Anyone heard of a Roto-Diesel pump? in reply to backwoodsfarm, 06-05-2007 11:45:57  
It's hard to keep track of all the territorial agreements between the different pump companies. Keep in mind that Roosamaster/Stanadyne was the first to have a sucessful rotary pump. The other companies (except for AMBAC) purchased rights from Stanadyne to copy and only use in certain parts of the world.
I know that we sold many Manheim tractors new with both Stanadyne and Rotodiesel/CAV pumps. I also know that many late model 350D Deere crawlers had engines built in Saran France - yet the ones we sold still had U.S. built Stanadyne injection pumps.

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Farmall MD nut

06-05-2007 14:57:57




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 Re: Anyone heard of a Roto-Diesel pump? in reply to backwoodsfarm, 06-05-2007 11:45:57  
GM also used them on their 5.7 and 6.2 diesels.



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jdemaris

06-06-2007 06:51:05




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 Re: Anyone heard of a Roto-Diesel pump? in reply to Farmall MD nut, 06-05-2007 14:57:57  
Where? I was doing GM warranty work on the 5.7s when new, as well as the later 6.2s. Also had many people contact me from Europe about repair work on the 6.2s overseas. So far, every single one has had a Stanadyne D series pump and nothing else.

Also, the U.S. military has been trying to find a way to adapt a different make pump to the 6.2s/6.5s since the Stanadynes have such a high failure rate with the JP8 military fuel. So far, they haven't come up with any alternatives.

Where is your information coming from?

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Farmall MD nut

06-06-2007 15:17:38




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 Re: Anyone heard of a Roto-Diesel pump? in reply to jdemaris, 06-06-2007 06:51:05  
Sorry, didn't mean to ruffle your feathers. It might be a different pump, but they are in a circular pattern. I've worked on plenty of 5.7 and 6.2 and have seen round injector pumps. The reason I remember is cause it is a bi*ch to get the bottom 2 lines off the pump.



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buickanddeere

06-06-2007 09:33:34




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 Re: Anyone heard of a Roto-Diesel pump? in reply to jdemaris, 06-06-2007 06:51:05  
Some injection pump models could be fitted with "extreme cold weather" components. This is for straight kerosene comsumption in artic conditions were even #1 diesel will gel. Is this pump series lacking the cold option?



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Bob

06-05-2007 21:35:13




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 Re: Anyone heard of a Roto-Diesel pump? in reply to Farmall MD nut, 06-05-2007 14:57:57  
Yeah, right!



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Farmall MD nut

06-06-2007 01:27:18




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 Re: Anyone heard of a Roto-Diesel pump? in reply to Bob, 06-05-2007 21:35:13  
What, they did.



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Bob

06-06-2007 09:23:07




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 Re: Anyone heard of a Roto-Diesel pump? in reply to Farmall MD nut, 06-06-2007 01:27:18  
Are you perhaps thinking of Roosa-Master/Stanadyne, a completely different "animal"?



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jdemaris

06-05-2007 09:50:29




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 Re: Anyone heard of a Roto-Diesel pump? in reply to backwoodsfarm, 06-05-2007 08:23:00  
Most of the rotary pumps are based on the original Roosamaster (Hartridge Tool - later to be Stanadyne). CAV built under license from Roosamaster with agreements of not competing with each other for certain diesel components in certain parts of the world. Rotodiesel - at one time was the French version and was also bound by territorial agreements. Lucas owns CAV and Rotodiesel. Bosch was also owned by Lucas - and the Bosch rotaries were built under license under different names - .e.g. Diesel Kiki.

Today - I've kind of lost track - seems there are not any truly independent companies anymore.

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J Schwiebert

06-05-2007 09:07:04




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 Re: Anyone heard of a Roto-Diesel pump? in reply to backwoodsfarm, 06-05-2007 08:23:00  
Well you are awear that the Roto Diesel pumps were used on the French built engines. Looks like that they were licesed by CAV since they look very similar.



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