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Can anyone ID this Detroit Diesel? - Page 10

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Posted by Ignoramus4253 on December 24, 2010, 2:08 pm
 

Oops. Where should it be located?


Steve, sorry for being dumb, I am reading the manual now, but where is
that clapper?


Will do.


I will soon take off the bottom pan and the top cover, I will take
some pictures.

i


Posted by Steve Lusardi on December 24, 2010, 4:00 pm
 


On the side of the valve cover. There is a slot that the ID plate slides into.
It appears empty in the photo.

It bolts on top of the blower with 4 3/8-16 bolts. Follow the taped inlet pipe
to the blower. You can't miss it. The spring and
trip mechanism is on the side of the casting.


Posted by Ignoramus4253 on December 25, 2010, 4:04 am
 
It is not empty, I looked at it with a good light and found out the
build number and the serial.

5033-7001
3D-97891

According to
  
 
http://igor.chudov.com/manuals/Detroit-Diesel/Detroit-Diesel-Series-53/Detroit-Diesel-Engine-Serial-Numbers.pdf

This is a DD 353, built in  1972.

Per the first number, it is a 3 cylinder 53 engine, fan-to-flywheel
industrial, RC arrangement, "N" engine (whatever this means), starter
opposite blower.


Since it is younger than me (1971), I consider it to be a relatively
new engine.


to the blower. You can't miss it. The spring and


Posted by Lloyd E. Sponenburgh on December 25, 2010, 4:07 am
 

So, it's basically a "half brother" (Hah!) to the 651.

Neat.  We ran 651s on PBR and 1271s on PCFs over in 'Nam.

LLoyd

Posted by Steve Lusardi on December 25, 2010, 6:58 am
 Lloyd,
Those where 6-53Ts on the PBRs 400 BHP ea. You could find aluminum versions of
that motor on some APCs and those are very rare.
You will note that your statement about the V53s being the big brother of the
in-line 53s is very true. Many of the parts are
interchangeable, including the cylinder heads. What is very unique about the 53T
motors is that they use a blow through blower, as
the 53 series blowers use straight rotors, as apposed to the other DDA families
that use twisted rotors. When the turbo boost
exceeded 10 PSI, that would trigger a hydraulic valve that used lube oil
pressure to shift an internal bar in the rotor against an
internal spring. Once actuated, the shifted bar uncovered a series of cross
drilled holes in the rotors. DD stated that relieving
the blower load in that fashion saved 10-15 HP at the flywheel. All in all, the
DDAs were very high tech motors and way ahead of
their time. As you can tell, I am a real fan of the DDAs.
Steve

"Lloyd E. Sponenburgh" <lloydspinsidemindspring.com> wrote in message


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