Kubota k028

truenorth

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Mar 27, 2023
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Hello gents, I recently acquired a grey market kubota excavator, 2.8 ton, k028.

I was wondering if there is some cross reference sheets somewhere for parts, specs, etc


Cheers
 

North Idaho Wolfman

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L3450DT-GST, Woods FEL, B7100 HSD, FEL, 60" SB, 743 Bobcat with V2203, and more
Jun 9, 2013
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I don't know of any cross over manuals or references.
If you get the engine model # I might be able to tell you possible crosses.
It will be stamped on the flat right next to the injection pump facing up.
 
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North Idaho Wolfman

Moderator
Staff member
Lifetime Member

Equipment
L3450DT-GST, Woods FEL, B7100 HSD, FEL, 60" SB, 743 Bobcat with V2203, and more
Jun 9, 2013
29,302
5,601
113
Sandpoint, ID
Well just based on year, 1993.
The closest US /CA model would be the KH41BU-1, and with that it's twice the size.
So probably not much will cross.

Here is one site with a few diagrams, I would download them and save them.

Is there any specific parts your needing?
 

truenorth

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Mar 27, 2023
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Canada
Well just based on year, 1993.
The closest US /CA model would be the KH41BU-1, and with that it's twice the size.
So probably not much will cross.

Here is one site with a few diagrams, I would download them and save them.

Is there any specific parts your needing?
They started in 1993 the mark iii serie k , i believe it was replaced by the u30.
(I did saw a 2010 k-028 for sale unless it was a typo)
They still do smaller k
Really can't find anything, i manage to find the smaller k manuals in japanese but nothing on the k-028

I don't need a specific part as of now, i'm really trying to scavenge info.
 

truenorth

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Mar 27, 2023
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Hi i'm going to give this an update/ bump before making another thread.

I'm looking for the hydraulics filters location. Obviously there is one down the tank, where should I look for the return one and other if theres any ?

On my right foot floor I got a dipstick that shows pretty good looking oil but that oil doesnt look like the nasty stuff in my tank, so got me thinking is there a separate hydraulic system for a reason ?

It's a k028, Zeph serie (s serie ?), it is a 3 ton excavator with the 4 cyl v1505.
 

GreensvilleJay

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maybe post pictures of your beastie ???
gennerally speaking hydraulic filters will be in the return line going TO the tank.
remove any/all access cover plates and look for them
they 'should' be accessible as they NEED to be changed every so often.....
 
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truenorth

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Mar 27, 2023
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Canada
maybe post pictures of your beastie ???
gennerally speaking hydraulic filters will be in the return line going TO the tank.
remove any/all access cover plates and look for them
they 'should' be accessible as they NEED to be changed every so often.....
Heres one with my kid doing the ditch for a friend and some. I added a thumb and putted about 50 h since some repairs. Rad, water pump, thermostat. Flushed the fuel system but need to redo it still some crud in the tank, I added an inline filter and I believe it introduce air in the system otherwise pretty happy with it

As far as the hydrolics filter(s) in the tank itself theres a rod with a loop so I guess theres one at the end of it, i'm just unsure if I have to flush tge system prior or If I can swap it "full"
 

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