That is a hot bulb engine sometimes called a semi diesel. The head must be hot to run and will not will not start from cold unless the head is heated or a starting wick is used. What you are looking at is the cylinder head. At the top is the fuel injector. The tee handled plug in the middle is where a starting wick is lit on fire and inserted. Partially visable at the bottom is the hot bulb, this can be heated with a torch to start the tractor. The engine does not have enough compression to ignite the fuel. The injector introduces fuel to the hot bulb early in the compression stroke where it is turned into steam. As the compression comes up the steam is ignited by the extra heat created.
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Today's Featured Article - Usin Your Implements: Bucket Loader - by Curtis Von Fange. Introduction: Dad was raised during the depression years of the thirties. As a kid he worked part time on a farm in Kansas doing many of the manual chores. Some of the more successful farmers of that day had a new time saving device called a tractor. It increased the farm productivity and, in general, made life easier because more work could be done with this 'mechanical beast'. My dad dreamed that some day he would have his own tractor with every implement he could get. When he rea
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