Re: how hard to run a diesel engine?????

Posted by Jonboy on April 12, 2005 at 12:36:37 from (64.91.164.101):

In Reply to: how hard to run a diesel engine????? posted by vabill on April 12, 2005 at 06:40:28:

So what are exactly are you asking?, are you asking if it's better to run your tractor at full throttle all the time even when the extra power isn't needed?. What I do and it works great for me is just use my tractor normally and only use the amount of throttle required to do whatever task effeciently, all that running extra throttle is going to do is excellerate engine wear and burn up extra fuel for nothing. Now take for example, I am just finishing up maple sugaring and I used a 40hp diesel for a gathering tractor to pull my sap tank, that tractor spent many hours just idling at a medium to high idle, and I have noticed it doesn't like to start quite as instantly as it did just before the season, but I got the perfect fix for that as I'm about to put our 3pth rototiller on it, that'll clean the cobwebs out of it. I find the key to keeping a diesel in good condition is to use it like normal but you need to put it to work once and a while and get them good and warm as a diesel uses heat to ignite the air/fuel mixture and a bunch of cabon fouls things up, carbon is cleaned out when you get the engine up to a good operating temperature. Like I say, I have idled my gathering tractor for hours lately so it hasn't had a chance to get up to a good full operating temperature and thats why it doesn't run quite as good or start as easily, but I know all that will change after I hook up my rototiller and till up this place and my neighbors, then it'll be brush hogging and haying time after that which is also very good. Diesels are happyier when run for long periods of time, startup is harder on them because when they are cold combustion doesn't happen no where near as efficently as when at full operating temp and this is why diesels smoke and have less power on first start up. Say if you don't do nothing more than just very short run times, the engine will get fouled, but don't let this stop you from using your tractor, use it, and just keep in mind it needs a long good full operating temp run every once and awhile and I mean more than just letting it run in your dooryard, I mean actually using it, do some heavy pto work, or pulling such as a rototiller or a set of harrows or plows. You'll notice a big difference right after doing this. Just watch your temp guage and don't let it get into the red otherwise you will be destroying the engine rather than just cleaning it out. Now with this said you don't have to go out a buy some huge piece of equipment thats too big for the tractor, just buy the stuff you'd like and that will be enough as you don't need to torture the engine, just warm it up alittle. I got a 6ft brushhog for my 40hp and thats enough to clean out the cobwebs, and yes I do run it at full throttle for that. Diesel engines like to be used, as long as you keep your tractor fairly active you'll be in good shape.

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