[AT] Allis Chalmers ED40 injector pipes

Thomas Martin tmartin at xtra.co.nz
Sun Feb 2 02:00:33 PST 2020


Well, I'm wrong! :-(
It may look like a Ricardo Comet type cylinder head, but according to a contemporary
book on the subject, the pre-combustion chamber or air-cell is of the Freeman-Sanders type...
So I don't know about the Ricardo soubriquet, sorry.

Tom

> On 02 February 2020 at 22:41 Thomas Martin <tmartin at xtra.co.nz> wrote:
> 
> 
> Ricardo refers to the cylinder head design which utilised the Ricardo Comet indirect injection:
> The injector at 90º to the bore injecting into a pre-combustion chamber.
> Buda engines in the early 50s used it, it was a setup that was prone to head cracking,
> AC when they bought Buda in the middle fifties redesigned to direct injection.
> Improved starting out of sight.
> 
> Tom
> 
> > On 02 February 2020 at 15:28 James Peck <jamesgpeck at hotmail.com> wrote:
> > 
> > 
> > This calls the engine a Standard Ricardo.
> > 
> > https://www.tractor.info/en/tractors/farm/allis-chalmers/allis-chalmers-ed40
> > 
> > https://www.gracesguide.co.uk/Allis-Chalmers_Co
> > 
> > Bo Hinch AT List Member (bohinch at gmail.com); For parts , call these people https://www.yesterdaystractors.com/Allis-Chalmers-ED40-Tractor-Parts.html  
> > 
> > A  story on the tractor
> > https://www.yesterdaystractors.com/articles/artint155.htm  
> > 
> > John (JV) Maddock  Down Under AT List member  (agtronixjv at southcom.com.au); Can anyone suggest where a new set of injector pipes might be obtained for said tractor? That tractor used the UK-built Standard 23C engine, with a modified head fitted with glow plugs. I have a friend who has modified his FE35 by the addition of glow plugs, but now the original pipes don't fit well, and leak.
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