Do tractors have gp's?
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Freshman User
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Do tractors have gp's?
I'm doing a demonstration on diesel tractor engines tomorrow. I'm in 4h. I started thinking......so do tractors have glow plugs? I'm sure the newer one's do but idk. Don't want to give a demo w/false info.
Postmaster
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From: Saskatoon, SK
None of my semi engines had glow plugs if you are referring to highway tractors. None of my farm tractors have them either - I dont know of any that do. Our last 3 tractors were CaseIH (Steiger) 9150, then 9270, now 9390. Our smaller tractors are a CaseIH Magnum 7210 and a CaseIH 4230 w/front end loader. Good luck with your project!
Post Fiend
Joined: Oct 2005
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From: Plano TX and Brentwood TN
The older john deere tractor I have does not have glow plugs, but the newer(bought it new last year) does have glow plugs and a pre-heater. So it depends on what year of production(and maybe brand as well) for them to have glow plugs and/or pre-heater.
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Just crank that engine it will fire with it being summertime.
Lead Driver
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From: Rhode Island
Most tractor engines will usually NOT have glow plugs, usually their compression is higher then the small diesels in light duty trucks, they may have an intake grid heater, like the Cummins in the dodges. The grid heaters tend to be more reliable, as they aren't exposed to the effects of combustion, plus you don't exactly want to found out you have a a few dead glowplugs when its -10*F out and you have to make a delivery 
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Post Fiend
Joined: Feb 2007
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From: Blairsville,Ga
depending on the tractor they have had glow plugs or air heaters since the late '50s
older tractors that ran on tractor fuel started on gas and switched over
older tractors that ran on tractor fuel started on gas and switched over
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Postmaster
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From: Kearney, Nebr
Once you started those M diesels you never turned them off for the day. Neighbor used to have one. I think it idled more than anything.
Most of your heavy duty applications will not have any starting aids besides the use of ether (in moderation).
Fleet Mechanic
Joined: Mar 2004
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From: Kansas
I'm pretty sure these things had a nasty habit of cracking heads.......
Post Fiend
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From: Blairsville,Ga
Before electric start the had gas starting engines,the exhaust pipe from the starting engine ran through the main engine intake to warm it
Postmaster
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From: Kearney, Nebr
Yep, Pony engines are what they are called. The old two cylinder diesel John Deere's used the Pony's as well as old CAT's and such.
I've been around a M diesel a little bit, not much though. The hard part is the switch between gas and diesel. Those "old" timers can do it perfect, however its not as easy as it looks.
I'm pretty sure our n14 Cummins and 550 CAT don't have glow plugs. At least there's no light indicating that there is. You simply crank the engine to increase the combustion temp until it will fire or plug it in.
Post Fiend
Joined: Feb 2007
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From: Blairsville,Ga
I was never around the MD Farmalls but have run dozers with the same engine
I am probly one of the few around that has run equipment with cat and Cummins engines that started with pony engines and diesels that started on gas and drove trucks with air starters
I am probly one of the few around that has run equipment with cat and Cummins engines that started with pony engines and diesels that started on gas and drove trucks with air starters
Postmaster
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From: Kearney, Nebr
ahhh.. air starters. You don't see to many of those around anymore. However, I do remember the first time I heard one and it scared the crap out of me. I used to think that ole Mack was the devil. lol.
Lead Driver
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From: Scio, OR
When I was a kid, back in the mid 80's, I used to work for a guy that had a couple of JD 6 cyl diesel tractors. They didn't have glow plugs, but they did have an ether injection system. There was a can of ether mounted on the side of the engine. You pushed a button in the cab and it sprayed in a measured amount, then you cranked it over. When it was cold, it would roar, billow black smoke and then die. You did that three, four or more times until it finally kept running.
The 4 cyl JD swather we ran didn't have glow plugs or anything else. You just didn't start it when it was really cold.
The 4 cyl JD swather we ran didn't have glow plugs or anything else. You just didn't start it when it was really cold.