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Is there a diesel engine that you feel is better then all others?


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31 replies to this topic

#16 NUTNDUN OFFLINE  

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Posted January 20, 2011 - 06:13 AM

i'm going with the duramax on this one....ohhh wait, a tractor engine, i like my yanmar :)


I have never really been a Chevy fan but they have done a good job on the newer Duramax engines.

I still love the Cummins for a pickup size diesel, shame it is in a Dodge though. My favorite diesel is a Caterpillar but that definitely isn't fitting in a garden tractor LOL

#17 venisonslayer128 OFFLINE  

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Posted April 22, 2012 - 05:07 PM

CUMMINS POWER! in Pick-ups.. I'd buy a studebaker if it had a cummins! er.. 6v-71 2 cycle Screamin' Detroits are next.. rebuildable with a sledge hammer and a pipe wrench..

on to GT's.. lets see.. well Yanmar makes 8, 10, 15, and 20hp the 15s and 20s are liquid cooled with their own small rad and fan.

We are in the process of collecting parts for next winters project a 20 horse yanmar with a turbo big injectors and water injection for competition gt pulling against the alcohol boys here in Canada in a 782 red cub cadet.

#18 olcowhand ONLINE  

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Posted April 23, 2012 - 09:07 AM

It's hard to beat a Kubota engine, but the Yanmars are right there too.

#19 tractorbeam OFFLINE  

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Posted April 23, 2012 - 10:06 AM

I find the 3 cylinder yanmars quite rattley at low revvs, but they run nicely higher in the rev range.
Kubota make a very fine small diesel indeed, the 3 cylinders in particular.

Second that! I have a 4 cyl Yanmar in my John Deere and a 3 cyl Kubota, and I really likes that 3 cyl Kubota! We have a Perkins in our fork lift and that motor is the easiest starting motor I've ever seen.

#20 JDBrian OFFLINE  

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Posted April 23, 2012 - 07:17 PM

Everybody thinks that Kubotas are good diesels, even my JD salesman admits that.LOL! I think the Yanmars are close though. Yanmars are used a lot in marine applications and that makes me think they are very reliable. Parts should be easy to get for Yanmar and Kubota. Another brand that I've heard were good is the Iseki that were imported under the Bolens name in the 80's up here. They had compact tractors up to 29hp and they still demand good money. I've heard that parts can be hard to get for some of the other small japanese diesels used by MF and Ford.

#21 GTTinkerer OFFLINE  

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Posted April 23, 2012 - 07:55 PM

After spending many years working on golf course where many of the mowers have the 3 and 4 cylinder diesel engines from 16 60 horsepower my pick would be #1 Kubota, #2 Perkins. and #3 Yanmars in the JD tractors. Worst of the bunch were the Mitsubishi in the 1990s Toro mowers had several rod caps come loose and valve adjustment needed to be done weekly or they would wear out the rocker arms in a hundred hours.

I have seen the Kubotas run over 8000 hours with nothing more than valve adjustment during the off season and oil/filter changes..

Edited by GTTinkerer, April 23, 2012 - 07:56 PM.

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#22 olcowhand ONLINE  

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Posted April 23, 2012 - 08:54 PM



I have seen the Kubotas run over 8000 hours with nothing more than valve adjustment during the off season and oil/filter changes..


Good to hear confirmation from someone "in the know", as I have 2 tractors with Kubota engines.

#23 ducky OFFLINE  

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Posted April 23, 2012 - 08:59 PM

I second that because a D1005 will be repowering my 4855.

#24 olcowhand ONLINE  

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Posted April 23, 2012 - 09:00 PM

I second that because a D1005 will be repowering my 4855.


Oh craps ducky....you're gonna love that engine! That's what's in my Bush Hog JBI diesel!

#25 skyrydr2 ONLINE  

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Posted April 24, 2012 - 04:57 AM

My vote is Kubota #1 by a huge margin , easiest to get parts for, and they are durable!

#26 IHCubGuy OFFLINE  

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Posted April 24, 2012 - 09:01 PM

For me it's Kubota all the way. I think for initial cost versus longevity they are the most cost effective to operate. Anyone ever see one of those Super Stock Diesel garden tractor pulls? Them JD's with the Yanmars in them are IMPRESSIVE to say the least!

#27 Cvans OFFLINE  

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Posted April 24, 2012 - 09:31 PM

As skyrydr2 says, Kubota would be my first choice for durability and parts availability. While Yanmars are not as common in this country they still build a great product.

#28 sacsr OFFLINE  

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Posted April 25, 2012 - 05:48 AM

I only have owned Yanmars. Have two right now. They work all day on a little fuel. So far I have had no issues getting parts or help on repairing them. There is a forum with Yanmar guys on it and they have been able to helpe on the few issues I have had. The one thing both of my Yanmars do is use a little antifreeze over a period of time. Not worth fixing since both run fine....just interesting to me that they both do it.

#29 Cvans OFFLINE  

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Posted April 25, 2012 - 10:53 AM

The one thing both of my Yanmars do is use a little antifreeze over a period of time

Any idea on where the antifreeze is going?

#30 sacsr OFFLINE  

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Posted April 25, 2012 - 10:58 AM

95% sure it is burning it.....I will see some light white smoke every once in a while but never a bunch..... I had talked to a guy who sold them since the 80's and he said his 187 did the same thing.....used up about a bottle every summer. I always watch mine to make sure it is not too low.

No lack of power and will run all day long....




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