D333 engines

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Larry

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I have an old D333 engine, S/N 99G1014 that was used to power a 79B to 79B2631 genset. Parts on the exciter board failed and the engine was was robbed to fix other engines. This was an engine out of the late 60's. I recently acquired another engine, alleged to be a D333 engine, S/N 66D6097. After getting it home, I realized that this may be a D3306. This engine does not look like the D333 that I have. I think that the one that I have is a 4.5 bore x 5.5 stroke. It may be a B series engine. Does anyone have a serial number split on these engines? If the one that i just acquired is a 4.75 X 6 stroke, I do not need a bigger engine. I would like to stay with the original 4.5 x 5.5 stroke. Thanks for the info, Larry.

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Wed, Dec 27, 2017 6:22 AM

Old Magnet

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66D1-66D8890 is a D333C (4-3/4" bore x 6.0" stroke)
The 79B series uses a D333A (4-1/2" bore x 5.5" stroke)
I was not able to find info on a 99G1014 engine.

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Wed, Dec 27, 2017 8:25 AM

edb

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Reply to Old Magnet:

66D1-66D8890 is a D333C (4-3/4" bore x 6.0" stroke)
The 79B series uses a D333A (4-1/2" bore x 5.5" stroke)
I was not able to find info on a 99G1014 engine.

Hi Team,
from my S/No cross reference book, a 99G D330 is from a 99G S/No No14E motor grader made around 1965.
Hope this helps,
Cheers,
Eddie B.

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Wed, Dec 27, 2017 9:32 AM

Larry

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Reply to Old Magnet:

66D1-66D8890 is a D333C (4-3/4" bore x 6.0" stroke)
The 79B series uses a D333A (4-1/2" bore x 5.5" stroke)
I was not able to find info on a 99G1014 engine.

Many thanks, Old Magnet. I knew there was a difference but didn't know much. I seemed to have misplaced my archives but do not know where. I know I did not throw them out. On this new engine the turbo is bigger as well other items. On the 99G1014, this was from a grader. Block and components were made into a gen set. The 79B1 to 79B2631 parts book has the 100 kva generator with the proper serial number in it. That's why I would like to retain the original motor size. I have a D330 that I bolted a 300 amp welder generator to and I find that I have about twice the hp I need. [Engine detuned from 2210 rpm to 1500] Went from 125.5 hp to 85hp. With normal welding the motor tends to slobber oil but when I crank it up to 300 amps, it clears up.
All I hear from the engine is a little chirp and she is right there. It sure made a welder out of it. I did not want to go with a bigger engine as I do not want an oil problem. My electrical demands will not exceed the gen set output.

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Wed, Dec 27, 2017 9:33 AM

L364

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Reply to Old Magnet:

66D1-66D8890 is a D333C (4-3/4" bore x 6.0" stroke)
The 79B series uses a D333A (4-1/2" bore x 5.5" stroke)
I was not able to find info on a 99G1014 engine.

Hello
I believe all D333 (A) and (😎 series engines were all 4.5" bore X 5.5" stroke.
Could have either Vee belt or gear driven jacket water pumps and the valve
gear (rocker) cover was cast with a row of retaining bolts down the centre.
They had nice easy to replace rectangular seal, like 3400 series.
The D333C and the 3306 were 4.75" bore X 6.0" stroke and all the ones I saw
had gear driven jacket water pumps, D333C could be top mounted or forward
mounted on LHS front gear cover where as I believe 3306 water pumps were all
forward mounted LHS front cover. 3306 saw various developments in the fuel
systems which were at test at times.
BUT the D333C and 3306 had a pressed steel valve gear (rocker) cover with
many bolts (15) retaining it to the cylinder head with the early being sealed with a
cork gasket.
99G1014 is a No14E motor grader built 1967.
Hope this is a help BUT I could be wrong.

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Wed, Dec 27, 2017 10:14 AM

Old Magnet

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Reply to L364:

Hello
I believe all D333 (A) and (😎 series engines were all 4.5" bore X 5.5" stroke.
Could have either Vee belt or gear driven jacket water pumps and the valve
gear (rocker) cover was cast with a row of retaining bolts down the centre.
They had nice easy to replace rectangular seal, like 3400 series.
The D333C and the 3306 were 4.75" bore X 6.0" stroke and all the ones I saw
had gear driven jacket water pumps, D333C could be top mounted or forward
mounted on LHS front gear cover where as I believe 3306 water pumps were all
forward mounted LHS front cover. 3306 saw various developments in the fuel
systems which were at test at times.
BUT the D333C and 3306 had a pressed steel valve gear (rocker) cover with
many bolts (15) retaining it to the cylinder head with the early being sealed with a
cork gasket.
99G1014 is a No14E motor grader built 1967.
Hope this is a help BUT I could be wrong.

OK, I was looking for engine numbers, not vehicle s/n.
I show 14E grader 99G1014 as using a D333CT (4-3/4" bore x 6.00" stroke) and 1967 production.
Yes, the 66D1-66D8890 is a D333C (4-3/4" bore x 6.0" stroke) not a 5.5" stroke as I originally stated and corrected.

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Wed, Dec 27, 2017 11:21 AM

Larry

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Reply to Old Magnet:

OK, I was looking for engine numbers, not vehicle s/n.
I show 14E grader 99G1014 as using a D333CT (4-3/4" bore x 6.00" stroke) and 1967 production.
Yes, the 66D1-66D8890 is a D333C (4-3/4" bore x 6.0" stroke) not a 5.5" stroke as I originally stated and corrected.

Many thanks to all who replied to my inquiry. When this weather breaks I am going to pull the oil pan and get some measurements. Happy New year to all, cheers, Larry.

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Thu, Dec 28, 2017 11:05 AM

catsilver

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Reply to Larry:

Many thanks to all who replied to my inquiry. When this weather breaks I am going to pull the oil pan and get some measurements. Happy New year to all, cheers, Larry.

The early 66D was a D333C 4.75" bore which became the 3306 using the same serial number prefix. And is a totally different engine to the 4.5" bore D333/333B.

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Thu, Dec 28, 2017 9:38 PM

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