Tractor Talk Discussion Board |
Re: Why does diesel run with key off?
[ Expand ] [ View Replies ] [ Add a Reply ] [ Return to Forum ]
Posted by Jerry/MT on May 23, 2006 at 09:46:50 from (67.72.98.45):
In Reply to: Why does diesel run with key off? posted by Quebec Bob on May 23, 2006 at 09:01:52:
ecause it's not a "spark ignition" engine. It's a compression ignition engine. The compresion ratio is so high (16-18.5 compared to 8-9 on modern spark ignition engines)that the tempertaure rise caused by the compression of the air raises it's temperature above the auto ignition temperature of the fuel. At that high a temperature the injected fuel ignites. To stop the engine, you shut off the fuel.
Replies:
Home
| Forums
Today's Featured Article -
Tractor Profile: Farmall M - by Staff. H so that mountable implements were interchaneable. The Farmall M was most popular with large-acreage row-crop farmers. It was powered by either a high-compression gas engine or a distillate version with lower compression. Options included the Lift-All hydraulic system, a belt pulley, PTO, rubber tires, starter, lights and a swinging drawbar. It could be ordered in the high-crop, wide-front or tricycle configurations. The high-crop version was called a Model MV.
... [Read Article]
Latest Ad:
1964 I-H 140 tractor with cultivators and sidedresser. Starts and runs good. Asking 2650. CALL RON AT 502-319-1952
[More Ads]
Copyright © 1997-2024 Yesterday's Tractor Co. All Rights Reserved. Reproduction of any part of this website, including design and content, without written permission is strictly prohibited. Trade Marks and Trade Names contained and used in this Website are those of others, and are used in this Website in a descriptive sense to refer to the products of others. Use of this Web site constitutes acceptance of our User Agreement and Privacy Policy TRADEMARK DISCLAIMER: Tradenames and Trademarks referred to within Yesterday's Tractor Co. products and within the Yesterday's Tractor Co. websites are the property of their respective trademark holders. None of these trademark holders are affiliated with Yesterday's Tractor Co., our products, or our website nor are we sponsored by them. John Deere and its logos are the registered trademarks of the John Deere Corporation. Agco, Agco Allis, White, Massey Ferguson and their logos are the registered trademarks of AGCO Corporation. Case, Case-IH, Farmall, International Harvester, New Holland and their logos are registered trademarks of CNH Global N.V. Yesterday's Tractors - Antique Tractor HeadquartersWebsite Accessibility Policy |
|