d3400 electric set

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deannis

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Hi all old junk enthusiest like myself, I recently aquired A D3400 I think electric set. Both the tag on the engine and gen are missing, but where the tag should be on engine the block is stamped 859. On the gen. end it says 110/220 37.5 kva 30kl1480 6b6428 this also is stamped into generator housing and you can see there was A tag rivited over this spot. There is A external belt driven exciter mounted directly above unit. I believe this to be A d3400 engine, later model, but am unsure. I have an early D2 ser 3j1801, which looks very similar other than exhaust around intake oil filter and a few other changes i have found through internet serches. I was born in 1963, so theese machines are before me, but I love antiques, and have many. I bought theese two machines at an estate sale, the dozer which had sat for nearly 10 years is running well after filters and fuel tank flush, great undercariage and clutches,all of them, and a blade and canopy,all for a grand. This machine was restored in 1981,have reciepts for a lot of parts, crank grind,making new bushings for pony rods small ends, cluch parts ,rad. but no liners or pistons, anyways machine performs well. Also at this sale was this electric set, $200.00 scrap price, I said yes. Got it home ysterday,full of oil,full of antifreeze,junk pony motor. I am already looking at electric conversion from one source on the net. I am a diesel mechanic by trade and am competant that this thing will run, or so I hope, Iwould like some history on this thing or any information would greatly be appreciated. Also,shows 1612 hours on hour meter,and I bet it still works.
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Mon, May 9, 2011 11:55 AM

Old Magnet

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Those pictures are a little fuzzy on my screen but I believe you have a D4400 there.
If the fuel transfer pump is on the bottom of the filter housing it's the D4400 for sure.

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Mon, May 9, 2011 10:08 PM

Pioneer1930

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Reply to Old Magnet:

Those pictures are a little fuzzy on my screen but I believe you have a D4400 there.
If the fuel transfer pump is on the bottom of the filter housing it's the D4400 for sure.

I am mad jealous. A smaller Cat gen-set is my next planned project, good for you on such a great deal! Good luck with it!!!!👍

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Mon, May 9, 2011 10:14 PM

drujinin

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Reply to Pioneer1930:

I am mad jealous. A smaller Cat gen-set is my next planned project, good for you on such a great deal! Good luck with it!!!!👍

OM might be right as I am rereading this and thinking 37.5kva times 0.8 equals 30kw. I believe most D3400 gensets are 25kw. still a GREAT find though as it seems to be 110/220 which means in all probability that it is a single phase generator not a three phase which is what most generally shows up..

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Tue, May 10, 2011 12:13 AM

Sasquatch

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Reply to drujinin:

OM might be right as I am rereading this and thinking 37.5kva times 0.8 equals 30kw. I believe most D3400 gensets are 25kw. still a GREAT find though as it seems to be 110/220 which means in all probability that it is a single phase generator not a three phase which is what most generally shows up..

OM's correct, it's definitely a D4400. The flat plates on the side of the block that hold the decompression levers are a dead giveaway.

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Tue, May 10, 2011 12:17 AM

B4D2

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Reply to Sasquatch:

OM's correct, it's definitely a D4400. The flat plates on the side of the block that hold the decompression levers are a dead giveaway.

Welcome to the forum. You have found the a great source for information. Both acquisitions are commendable. The machinery looks to be in good shape, but the price you paid puts you in the "positive" column as far as equity is concerned. Great finds.

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Tue, May 10, 2011 3:08 AM

snowshoveler

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Reply to B4D2:

Welcome to the forum. You have found the a great source for information. Both acquisitions are commendable. The machinery looks to be in good shape, but the price you paid puts you in the "positive" column as far as equity is concerned. Great finds.

Yup sure looks like the 4400 to me...the governor in its squared off case is my clue.
But Old Magnet seldom if ever makes a mistake so I side with him.
More pics in greater detail would be appreciated.
Regards Chris

193? d4400 cat powerunit
1950 john deere M
1959 international t5 crawler
1977 powerking 1216 tractor

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Tue, May 10, 2011 3:39 AM

deannis

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Reply to snowshoveler:

Yup sure looks like the 4400 to me...the governor in its squared off case is my clue.
But Old Magnet seldom if ever makes a mistake so I side with him.
More pics in greater detail would be appreciated.
Regards Chris

Hi everyone,thanks for the info,I will take better pictures tomorrow. The pictures posted were taken with A cell phone. I really want to get this thing fired up. Contacted pony motor conversions todat, a little steap on prices but, the pony motor conversion makes sense to me because i could always use it on the d2.Anyways I will get better pictures,just have to get the other half to do it for me,huh. Thanks Dean

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Tue, May 10, 2011 11:46 AM

deannis

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Reply to deannis:

Hi everyone,thanks for the info,I will take better pictures tomorrow. The pictures posted were taken with A cell phone. I really want to get this thing fired up. Contacted pony motor conversions todat, a little steap on prices but, the pony motor conversion makes sense to me because i could always use it on the d2.Anyways I will get better pictures,just have to get the other half to do it for me,huh. Thanks Dean

Yes the fuel transfer pump is mounted on the bottom, unlike the d2 3j1801, which is mounted horizontally. So what is A d4400? H.P. I am assuming this thing runs at 1200 rpm? I will also send pictures of A 49-50 Nordberg 10 hp that is almost done. Also anybody interested in A 8 or 16 hp sheppard diesel, how about A 2 cyl. Hercules diesel, unknown vintage, probably 8-12 hp. will also post pics. Thanks

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Tue, May 10, 2011 12:05 PM

Old Magnet

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Reply to deannis:

Yes the fuel transfer pump is mounted on the bottom, unlike the d2 3j1801, which is mounted horizontally. So what is A d4400? H.P. I am assuming this thing runs at 1200 rpm? I will also send pictures of A 49-50 Nordberg 10 hp that is almost done. Also anybody interested in A 8 or 16 hp sheppard diesel, how about A 2 cyl. Hercules diesel, unknown vintage, probably 8-12 hp. will also post pics. Thanks

The D4400 is a 4-1/4" bore vs the 3-3/4" D3400. Most commonly known in the D4 tractor and 112 motor graders. Replaced by the D315 in 1947 with 4-1/2" bore.
In 1200 rpm generator applications H.P. ranged from 34 -44 depending on set up.

Is there provision to mount a direct start on the clutch housing. Some early industrial applications have the hole already provided making conversion pretty simple.

You can do your own conversion...found in these instructions.
http://sites.google.com/site/oldmagcat/

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Tue, May 10, 2011 11:07 PM

wimmera farmer

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Reply to Old Magnet:

The D4400 is a 4-1/4" bore vs the 3-3/4" D3400. Most commonly known in the D4 tractor and 112 motor graders. Replaced by the D315 in 1947 with 4-1/2" bore.
In 1200 rpm generator applications H.P. ranged from 34 -44 depending on set up.

Is there provision to mount a direct start on the clutch housing. Some early industrial applications have the hole already provided making conversion pretty simple.

You can do your own conversion...found in these instructions.
http://sites.google.com/site/oldmagcat/

Just a word of warning
Old generators can be very dangerous, they can bite really bad.
If you are not really certain have someone who knows what they are doing check it out.
Old insulation failure and rodent damage are two culprits to watch for, and don't take for granted that the wiring has not been altered in some way.
cheers wimmera farmer

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Wed, May 11, 2011 5:22 AM

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