DK45 Engine rebuild with 420 hours.

[Nelson]

Last year I replaced the front oil seal on the crank shaft. I noticed the shaft/pulley wobbling or bouncing up and down slightly. The oil seal didn't last long and started to leak again and now the oil pump stopped working. I pull the gear case off and find the crank gear and oil pump gear trashed. The oil pump is broken and falling apart. Ok, new gears and pump and start it up. Ran true for a few minutes then I get gear noise from the oil pump again and the crank shaft/pulley starts bouncing again. I tear it down and remove gears which are damaged again after 30 minutes run time. I have been suspecting the front main bearing is worn allowing the crank to have too much play, thus trashing the oil pump gear directly below. Lifting up and down on the end of the crank shaft, sure enough there is play there. Ok, call my tractor guy and find out I have to pull the engine to change the bearings. Great. I have to break the machine in half, roll the front out of the way while supporting the back half and then pull the engine off at the bell housing. After I inspect the crank shaft either re-install with new bearings or possibly replace the crank at a price of 12 to 1500 bucks. This engine has 420 hours on it since new with one owner, me. Just my luck, with all the Kioti's out there and so very few with engine failures, I get a bad one.

Nelson

 

[blueriver]

I'm quessing the warranty has expired?

 

[dennis52]

Sorry to hear your bad news. That is really hard.


How much does a total new engine cost.

I have just read other posts where owners have, in the end, paid more for these sorts of repairs, both in parts and their time, than what a new engine would have initially cost.

But it sounds like you know quite a bit about tractors so good luck with it.

 

[MotorSeven]

420 hrs?...man that is not good. And, that about where I am in hrs right now with hay season here. I feel you pain...keep us posted.

 

[Dmace]

There will always be that handful that was built at 4:59pm on Friday with problems like these. It's an unfortunate reality that will always be present wherever there is the possibility of human error.

Good luck with the rebuild, if done right you hopefully won't have to touch it for a couple of thousand hours. :thumbsup:

 

[dennis52]

There will always be that handful that was built at 4:59pm on Friday with problems like these. It's an unfortunate reality that will always be present wherever there is the possibility of human error.

Good luck with the rebuild, if done right you hopefully won't have to touch it for a couple of thousand hours. :thumbsup:

I know little about engine manufacture

However I commented recently to a dealer how impressed I was with the extent of robotics being used for tractor manufacture at the Daedong Plant.

His reply was: that is fine, but, with robots, when a specification is wrong , then you get a lot of machines being pumped out until the problem is picked up.

Robots don't have a weekend to look forward to.

 

[SPYDERLK]

AT 420hrs there has to have been something badly wrong with the assembly. If you can find the evidence I think Kioti would stand up for it. Good luck.
larry

 

[CalTrac]

6-28-11, I had a crank shaft end bearing failure also on my 3054 at 110 hr..! Six mo out of warranty and NO..! factory or dealer help at all. They fixed the failure on the operator--me--..! Discovered when oil lite came on at idle just before shut-down on day. Dealer said to put in a heavier wt oil..bogus..! Factory said old oil or not changing the oil filter in time....bogus..! Fact o the matter is dirty oil will only "wear" out a part not fail the part. I cut open the oil filter and found mucho pieces of bearing material--looks like shinny flakes - non-magnetic.
I advise all to cut open your oil filter and check before your warranty runs out and every oil change after that.
I bought a new engine from Michigan Iron and Steel or something like that.
Local deal was no help at all, seems a dealer has to have a certain amount of parts to buy before the factory determines there is enough $$$ to service the dealer..? Yes I tried other dealers but I got a head's up who had a pending order. The tractor engines are very cheap and are usually replaced rather than overhauled.
As far as splitting the tractor into two pieces, that sounds like dealer scare talk for "you can't fix it your self.", or more likely they just don't know so they make it up. Sure you can disassembly the tractor to get at the oil filter for example but do you have too. These tractors are sold all over the world and repaired in the field with nothing more than a couple of homemade wrenches, does it sound reasonable that you have to perform major surgery to fix the durn thing..?? On my 3054 per the maint manual this is "splitting" it apart is not required nor even mentioned how to do it, although in my long search for answer's plenty of dealer's said that splitting the tractor apart is what I would have to do...more bogus information from people that don't know what they are talking about so make up stories to scare folk's.
side note: even though Dadong now owns Bobcat and the engines are the same, Bobcat local would not sell me an engine unless I actually had a Bobcat machine that took that engine, which I told them I did: Bobcat model, year, and engine part no. still no-joy. The old freeze-out in play, "we'll get back to you". Sound's like, "we fix it, you don't" type of business practice.
Good luck..!

 

[VictorW]

Try another Bobcat dealer for your parts. I stopped by one near me just to see what Bobcat changed from the actual Kioti tractor. Not really much except they use their own fel and bh. A salesman said they have no books to cross reference parts but if I can tell him what part I need via their books or from looking at the actual tractor, they'd be happy to sell me whatever I wanted.
One thing I noticed was Bobcat uses a different hydro oil cooler than Kioti with respect to the CK25,27,30, and 35 models which have had some problems. Unless Kioti has made a change from the small tubed core cooler, looks like a radiator core, their cooler has actual approx. 1/4 inch tubes running through the fins. This may be stronger for vibration.

 

[KENNYBOGGS]

Nelson, Same thing here.Front oil seal,crank and bearings and I guess oil pump etc....will be next. Hey there is a problem. Lets find out what Kioti has to say about this. My DK45 has less than 300 hours and has had this problem a while before someone noticed it. Came out of the factory bad. I want Kioti to pay but the time on my warranty is out. If you notice a lot of the dealers that handled Kioti do not carry that line anymore. Wonder why? You and I know why.
Kenny