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2-53 Detroit Power Unit Advice

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Old 09-09-2018, 02:18:01 PM
tngristmiller tngristmiller is offline
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Default 2-53 Detroit Power Unit Advice

I am entertaining adding a 2-53 or 2-71 Detroit power unit to my roster of mill power engines. I am looking for what has the best parts availability, usability, etc for all day running belted to a gristmill. I like 2 cal engines for the sound and have always liked detroits. Where to shop for one? Rail road salvage? Il need variable speed governor... and hand this un-findable?
Use genuine parts or aftermarket ? I appreciate anyone's help with this ... lol yes I kno they are noisy, drink fuel n leak oil... ha ha
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Old 09-09-2018, 02:31:14 PM
Bill Hazzard Bill Hazzard is online now
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Default Re: 2-53 Detroit power unit advice

2-71 will have lower rpm which means longer life also a larger cylinder means better thermal efficiency. Parts are easy to get for either engine.
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Old 09-09-2018, 04:12:46 PM
John Schwiebert John Schwiebert is offline
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Default Re: 2-53 Detroit power unit advice

Genuine parts are getting expensive. Aftermarket parts are even used by Detroit dealers. For a governor on a 53 series they had what they called a " tractor governor" used on the John Deere and Oliver tractors using the 53 series engines.
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Old 09-10-2018, 09:27:45 AM
miltruck miltruck is offline
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Default Re: 2-53 Detroit Power Unit Advice

I have 2 of the 2-53s and one 2-71.
Parts are not a problem with the exception of some of the "specials" that GMC/Detroit used on some units. The 2-71 is kind of an orphan, in that a lot of the parts are not the same as the rest of the 71 series line, but they made so many of them that there are parts out there. The 2-53 is no more than a chopped off 3-53 or 4-53. The front covers are more or less the same and the rear housings interchange between all three. BUT there are a lot of options so you have to consider all the variations when you decide which way to go.
My 2 2-53s have hydraulic governors (one is already on 20 kw gen set) and the 2-71 has a somewhat crude (but very workable) custom electronic governor. Common Detroit built governors for the inline 53 series will fit the 2-53; available as variable speed or constant speed. The governors used on the JD tractors was made by another manufacturer (not sure of name) and mounts differently. Not sure on the 2-71 about interchangeability of the governors; again kind of an orphan.
As far as your choice on which to get, keep in mind how heavy a 2-71 really is. I can pick up the complete (w/ radiator) 2-53 easily with our shop floor crane (Harbor Freight) but I won't even try with the 2-71.
And noise; I think the 2-53 is a little less so than the 2-71 at the same rpm. But if you run the 2-71 @ 1200 and the 2-53 @ 2100 the comparson would be reversed. There seems to less gear noise on the 2-71 but the blower is louder because of the displacement.
The last thing is that the vibration of these 2 cylinder engines is surprisingly slight at 1800 rpm and under. Balance shafts, 2 cycle firing and good old CI blocks, heads and housings make for very stable units.
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Old 09-13-2018, 01:26:31 PM
boaterri boaterri is offline
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Default Re: 2-53 Detroit Power Unit Advice

Industrial Diesel Inc. in Fort Worth TX has many x-71 series Detroits for sale and parts as well. They might be worth a call for parts for x-53 series Detroits as well.

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Old 09-15-2018, 02:43:16 PM
Peter Holmander Peter Holmander is offline
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Default Re: 2-53 Detroit Power Unit Advice

Here is a recent post on the Stationary Engine board that might be of interest to you.
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Old 09-16-2018, 07:51:00 AM
Peter Holmander Peter Holmander is offline
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Default Re: 2-53 Detroit Power Unit Advice

Kloner Wholesale Supply in Akron Ohio has an ad going right now on Craigs List where they have 50 yrs of Detroit parts in stock. I have corresponded with them via email and they also have complete 2-53 and 1-71 engines for sale. They don't have a webpage, but they do have a Facebook page with several pictures. Their contact number is 330-806-3945
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