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Southeast SD | Some of you helped me out a lot already with my dead Cat 235 excavator and I appreciate it. We went and looked it over yesterday and after a lot of your responses decided our best bet was to get the current motor running or replace it where it sat. That was good advice from where the excavator was sitting it would be very difficult to get it loaded dead. Anyways now we are looking for a good running engine to put in it, ran across one out of a Cat 627A scraper that a guy has and he said its actually a D333C engine but the same block as a 3306 we might just have to swap some components....... Does anyone know how close they are and what components we might be needing to swap? I'd rather not swap a whole pile of stuff out in the field like that so trying to do some research to see what we might be up against there. As always thanks for your guy's help.
Chris
Also if anyone knows of a good running 3306 that would fit this excavator around South Dakota I'd appreciate any leads.
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sw corner ia. | if you are looking in bone yards, the 3306 in a 235 was rated 190hp. this is the same as a 977L. early versions were precombustion chamber motors, around '80 or so they switched to direct injection. If yours had preheaters it was not direct, and requires 12v power to get them hot, of course, but this motor probably will interchange with the d.i.
333 and 3306 look an awful lot alike. construct'O would know if he is reading this.. |
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Southeast SD | This one appears to be a 1976 model and does have pre-heaters on it. Not sure what year the 333 I run across is. We are going to go look at it this afternoon and see how close they appear to be. |
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central mich | We have had a lot of 3306 and 333. Of course there is a big difference in the D333 series and the D333c. The c has the narrow head just like the 3306 and I am sure the block is the same. We have not owned too many 333c but as I recall it is difficult to tell the difference between the two. i.e tin valve cover, narrow head. Of course they are a pre-combustion head. In fact, the D333C had some serial numbers 66D1 up to 66d8890 and then there were many many 3306 with 66D8891 and up. I am pretty sure that there is little difference, if any, between those series of engines. |
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| What is the issue with 3306? They are a nice engine rebuild cheap and easy. |
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Southeast SD | We don't know exactly what happened (bought at an auction) but was told the turbo went out and I'm assuming guy ran it out of oil. We had went up and messed with it yesterday most of the day and actually had it running right off the bat for about a minute then slowly died and we couldn't get it going again, it did keep turning over but the longer we left the engine heater plugged in the slower it wanted to turn over and the metal grating sound got worse and worse. I think as things got warmed up and some expansion began taking place the metal on metal contact became worse. I think maybe it would be easiest to make the 4-1/2 hour trip back out to where its at and pull the motor and bring it back to the shop, overhaul it and head back up there with it fixed and running. The one thing I'm worried about most is if the crank got damaged and if so how bad. |
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Grandfield, Ok. | The 3306 went in a lot of trucks and some dozers also. The grating you are hearing sounds like a turbo dragging. Good luck. |
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| 3306 are cheap for parts lots after market. I think it would be easier to fix what you have then try and fit a engine of different arrangement.
Madsnake |
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| I have a good 3306 that is coming out of a steiger to be replaced by a big cam 3 cummins e- mail me if it will do you any good. |
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sw corner ia. | or spun main bearing. could be a broken piston.. you are going to pull it anyhow, probably could get a new crank, cyl kits, reman head and turbo all put back together before you ever found anything that would be good enough to replace with. if you don't see a hole in the block it is worth a look see. very rebuildable motor with a ton of aftermarket outlets for very affordable parts.
I owned a loader with a 3304t that the motor oil pump failed, operator noticed oil pressure zero so he backed it out of the hole, drove it across the yard to the lowboy and loaded it up, started it back up and unloaded it, drove it into the shop where the mech pulled the pan off and put new bearings in it-and never pulled the head. I drove it for another five hundred hours after that with it drinking a gallon of oil a day till I grew tired of it and did an out of frame oh. it didn't run any different, just didn't use oil. that series motor is a very long lived engine.
Edited by dvswia 1/12/2014 06:44
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Cat 3306 & D333C engine similarities
