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Wayne, Journeyman
Category: Construction and Road Equipment
Satisfied Customers: 9442
Experience:  worked on many road graders, Bull dozers , skid steers, Rollers
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I have a kx123-3 super Kubota excavator the idle control is

Customer Question

I have a kx123-3 super Kubota excavator
the idle control is not working properly. I replaced the control switch itself. but it will just go to full throttle or idle only. nothing elts.
Submitted: 1 year ago.
Category: Construction and Road Equipment
Expert:  Wayne replied 1 year ago.

Hi I'm Wayne

I see you been waiting a long time sorry for that

do you still need help with this

let me know

Customer: replied 1 year ago.
Expert:  Wayne replied 1 year ago.


is your auto idling system working correct

Customer: replied 1 year ago.
It will idle low or high only
With no auto idle
Controll switch has been replaced
Expert:  Wayne replied 1 year ago.

Thank you for that

Ok, that says the module is not communicating with the ECM

I will see if I can find a part number

Expert:  Wayne replied 1 year ago.


Ok I was wrong this does not have the electrical module

the issue is in the speed control plate

take that off see if some is broke, or came apart

here is a pic of it

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