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Vintage Diesel and Oil Engines Fairbanks Morse, Lister, Petter, Witte and other pump injected Diesel oil engines.

Vintage Diesel and Oil Engines

Detroit 2-53 Diesel


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  #11  
Old 11-02-2013, 01:27:26 PM
Rick McKay Rick McKay is offline
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Default Re: Detroit 2-53 diesel

HD5's had a 271. I've got one here. The 253 would be pretty light on power in a tractor that size. You can often find a deal on nos or rebuilt injectors on ebay. Have Fun listening to the music of the Detroit Sympathy Orchestra.

Rick
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  #12  
Old 11-02-2013, 06:35:36 PM
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FWurth FWurth is offline
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Default Re: Detroit 2-53 diesel

Thanks for the info, it does have the 2 large hand knobs on the valve cover so it's a 2-71.
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  #13  
Old 11-02-2013, 10:39:48 PM
K-Tron K-Tron is offline
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Default Re: Detroit 2-53 diesel

Your 2-71 is most definitely original if the head is machined to only accept HV, or "high valve" injectors. They are a straight body non-offset injector. Sourcing a new one might be difficult. Call Timothy at Leid Diesel Service in Newville, PA. 1-717-776-7725. Tell him Chris referred you. I am sure he has numerous new high valve injectors sitting on the shelf ready for use. If you want a little more power, try HV-7's or HV9's Figure $75-100 an injector. I would replace both if I were you.

Chris
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  #14  
Old 11-03-2013, 08:12:10 AM
I like oldstuff I like oldstuff is offline
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Default Re: Detroit 2-53 diesel

Aah yes 2 stroke Detroits. Americas way of turning diesel fuel directly into noise. I love them things!!
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Old 11-03-2013, 01:12:40 PM
Norm W Norm W is offline
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Default Re: Detroit 2-53 diesel

Instead of going with the bigger HV70 injectors, try a HN 60 or even a HN55 injector. Pouring more fuel into a Detroit, if you don't keep it wound up, just produces black smoke, wasted fuel and a possibility of cracked sleeves and or burned pistons. The HV injectors are "N" type injectors in a HV body. They have a better spray pattern than the old "HVs". Have somebody that has worked on the 71 series set the injector timing and set the rack. In a marine operation it isn't easy to "lug" an engine. It is real easy in a highway or earth moving situation. A Detroit doesn't really complain, like a gas engine would if lugged, it will just come apart. I've had "Operators" tell me, "It just lost power." But you know what they've been doing when you pull the head and can count piston rings looking down from the top.

Oooops that should have read, "HN injectors are "N" type in a "HV" body. Can't see the forest for the trees when proof reading.
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Old 11-04-2013, 09:26:01 PM
Butch B Butch B is offline
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Default Re: Detroit 2-53 diesel

the 2A is a 2-71 engine the A is the id.for the 71 cubic inch engines the number is the number of cylinders hence a 2-71 is two cylinder 71 cubic inches per cylinder also replace the injectors with the S replacement it is an N injector (higher pressure) with the old HV ar
raingment this will give you a much better running ,cleaner and easier starting unit
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  #17  
Old 11-04-2013, 11:49:29 PM
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FWurth FWurth is offline
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Default Re: Detroit 2-53 diesel

I knew this was the place to ask questions. I've learned a lot that should really help. Never really had much internal contact with these other than to run one occasionally. F.J.W.
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  #18  
Old 02-16-2014, 03:06:57 PM
beantownbob beantownbob is offline
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Default Re: Detroit 2-53 diesel

i have a 2-53 in a basket need to know if the shell tangs in the main bearing caps are opposite or on the same side
they fit both ways they dont decifer which way in service manual the say take them out the way they where well they where all ready out can anyone help me thanks
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Old 02-16-2014, 06:28:21 PM
beantownbob beantownbob is offline
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Default Re: Detroit 2-53 diesel

Sorry an old tractor guy across the street told me they have to be opposite or the bearings will spin duh
oh well some one told me there is no dumb questions when rebuilding one of these guys
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  #20  
Old 02-16-2014, 07:49:56 PM
ronm ronm is offline
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Default Re: Detroit 2-53 diesel

Well, if it was a JD or almost any other engine, your old tractor guy is wrong...MOST engines, the tangs go on the same side. You're right, the Detroit manual doesn't specifically say, & it has been too long since I did one for me to remember...the pic in the 2-53 book showing the thrust washer installation seems to indicate they go on the same side. Can't you see a mark where the tang was before on the cap or block face? Very few engines will go together with the caps backwards & turn over...normally it will lock the crank up when you torque them down.
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