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Old 31-03-2015, 00:21   #1
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M3-20B universal/kubota crossover for parts

I am looking for injectors/universal injector ar about $400 would like to know what model kubota will work any help would be appreciated thanks.

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Old 03-05-2015, 05:18   #2
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Re: M3-20B universal/kubota crossover for parts

That's a Kubota D640 engine from a G6200 tractor. Your local or online Kubota tractor shop will have them, my local shop prices them at $71 each. I found a pair of new ones on Ebay for $40 each about a year ago. Search "Kubota injector nozzle", you'll get lots of hits. There's a lot of used ones there for not much cheaper than new, and probably no better than what you have. Go new. All of the smaller Kubotas use the same nozzle and the part number has changed many times over the years. Pull one of yours out and compare with the ones you are shopping. If it looks the same, it is. The ones that are diferent look way different. All Universal diesel parts except the alternator, exhaust manifold, and water pump">raw water pump can be had from Kubota for a fraction of Westerbeke's criminal prices. Same exact parts, Westerbeke just repackages them. Those are very expensive packages.
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Old 18-04-2016, 17:33   #3
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Re: M3-20B universal/kubota crossover for parts

I know it's old... but incase anyone else is banging their heads against a bulkhead trying to find Universal M3-20B parts.

I spoke to Kubota today, and they could not verify the Kubota block for Universal M3-20B; I told him I read it was the Kubota D600... he said it's so old they hardly have any information. Giving them the engine SN doesn't work as it's supposedly a Universal specific number (from when they bought it). As I only had the D600 to go off of, he sent me that IPB, many of the items seem to be exactly the same even same diagrams you'll see in the Universal IPB.
So here it is for anyone wanting it... and any better information out there please let me/us know

If the file doesn't upload (new here) email me and I'll be happy to send it from gmail.
edjfinn@gmail.com
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Old 20-04-2016, 05:56   #4
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Re: M3-20B universal/kubota crossover for parts

The Kubota serial number is just under the injection pump.
This engine should be the D722.
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Old 20-04-2016, 21:39   #5
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Re: M3-20B universal/kubota crossover for parts

Thanks...
I will check this weekend, I read it's also stamped on the dipstick, however also read that may not always be the case.
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Old 26-04-2016, 10:53   #6
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Re: M3-20B universal/kubota crossover for parts

Looks like the Universal M3-20B is definitely a Kubota D640 engine out of a G6200 Tractor. Does anyone know how to look up part numbers for this engine/tracker. I need a rear oil seal and all the other gaskets needed to replace this part (I believe that just the oil pan gasket). Westerbeke doesn't have either part and has to go through purchasing to order. I just want to do this direct, so have tried contacting a Kubota Tractor dealer. But, I don't know part numbers and don't what to purchase anything until I am certain I am getting the part I need for my Universal. Thanks for any help.
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Old 26-04-2016, 11:01   #7
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Re: M3-20B universal/kubota crossover for parts

Ok...just answered my own question. So here is the illustrated catalog to look up parts for the Kubota G6200 Tractor.

http://kpadweb.kubota.co.jp/kpad2/Pa...an=&dispType=0

The way I found this was by going to the Kubota Trator website. Go to PARTS, then find the ILLUSTRATED PARTS tab. Accept the terms, type in G6200 and click the OPEN tab. you should get a complete illustrated parts manual.
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