Z421KW 54" Drive disengage not working

MBoyle

New member

Equipment
Kubota L3301, with LA525 bucket, an 5' Land Pride Bush Hog
May 5, 2025
4
1
3
Alabama
Hey I've got a 2017 Z421 and the right drive tow lever moves freely but will not disengage the HST drive. Anyone know why?
 

Mowbizz

Well-known member

Equipment
Bx25d
Aug 19, 2021
631
358
63
New Hampshire
Do you mean the “bars” that you push forward to go and pull back for reverse?
never heard them called “tow levers”?
Also do you mean the mower will not go into “neutral” when the bars are in the neutral position?
 

Mowbizz

Well-known member

Equipment
Bx25d
Aug 19, 2021
631
358
63
New Hampshire
Hey I've got a 2017 Z421 and the right drive tow lever moves freely but will not disengage the HST drive. Anyone know why?
Oh wait! Now I know what you mean! The lever in the rear to push or tow the mower…I have a Z422 and I’ve never figured this out either!
Waiting for answers
 

Mowbizz

Well-known member

Equipment
Bx25d
Aug 19, 2021
631
358
63
New Hampshire
Who the heck has an owner’s manual??🤣
Guess that “right hand lever” was hiding in a totally different place…no wonder I couldn’t find it!😜
 
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MBoyle

New member

Equipment
Kubota L3301, with LA525 bucket, an 5' Land Pride Bush Hog
May 5, 2025
4
1
3
Alabama
Do you mean the “bars” that you push forward to go and pull back for reverse?
never heard them called “tow levers”?
Also do you mean the mower will not go into “neutral” when the bars are in the neutral position?
No,
Do you mean the “bars” that you push forward to go and pull back for reverse?
never heard them called “tow levers”?
Also do you mean the mower will not go into “neutral” when the bars are in the neutral position?
No, those are the motion control levers, I'm talking about two, small rods, located behind the seat in the engine area. They disengage the HST so the mower can be safely towed. Both of them are moving when I pull them, but only the left one works.
 
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