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  1. #1
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    Default L3400 HST 4 wheel drive engagement

    Is it necessary to depress the clutch pedal before engaging the the 4WD on a L3400 HST? Second question is can you take the tractor in or out of 4WD while moving? I always stopped with my BX but was not sure.
    Thanks

  2. #2
    Super Star Member LD1's Avatar
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    Default Re: L3400 HST 4 wheel drive engagement

    Quote Originally Posted by KPotts View Post
    Is it necessary to depress the clutch pedal before engaging the the 4WD on a L3400 HST? Second question is can you take the tractor in or out of 4WD while moving? I always stopped with my BX but was not sure.
    Thanks
    First question, NO you dont need to press the clutch, unless you are spinning the wheels.

    Second, it is probabally advised in the manual to STOP before engaging and disengaging, but you dont have to. Since you arent changing gearing, just make sure you arent spinning when you engage. But if you are just driving/coasting along and the front wheels and back wheels are turning the same speed, no harm will be caused.
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  3. #3

    Default Re: L3400 HST 4 wheel drive engagement

    Quote Originally Posted by LD1 View Post
    First question, NO you dont need to press the clutch, unless you are spinning the wheels.

    Second, it is probabally advised in the manual to STOP before engaging and disengaging, but you dont have to. Since you arent changing gearing, just make sure you arent spinning when you engage. But if you are just driving/coasting along and the front wheels and back wheels are turning the same speed, no harm will be caused.
    WRONG......You must be completely stopped and you must depress the clutch when shifting from 2 to 4 wheel drive and from 4 to 2 wheel drive. You might be referring to the differential lock in which case clutch does not have to be used nor does tractor have to be stopped.

  4. #4
    Super Member RadarTech's Avatar
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    Default

    Quote Originally Posted by firefighter jim

    WRONG......You must be completely stopped and you must depress the clutch when shifting from 2 to 4 wheel drive and from 4 to 2 wheel drive. You might be referring to the differential lock in which case clutch does not have to be used nor does tractor have to be stopped.
    I agree.. And that its what the dealer said..
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  5. #5
    Super Star Member LD1's Avatar
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    Default Re: L3400 HST 4 wheel drive engagement

    Well, I guess I didn't see the HST part. Which I have never operated one.

    So...unless things in this aspect are different from a HST to a gear tractor?????

    But on a gear tractor, You DONT neet to press the clutch and you DONT need to be stopped. Same as a typical 4wd truck. going from 4hi to 2hi and vice versa.

    So I apologize if I gave bad advice, as it pertains to HST. I was speaking as if it were a gear.
    ".........there is only one way to find out."
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  6. #6
    Elite Member Chilly807's Avatar
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    Default Re: L3400 HST 4 wheel drive engagement

    According to the manual, the tractor must be stopped and the clutch depressed to engage 4wd.

    Having said that, I've disengaged 4wd while still rolling, but always with clutch pressed down. Mine isn't HST, but the manual is the same for both models. Coming out of mesh while things are moving shouldn't damage anything, as long as there's no load on the gears at the time.

    Interesting side note, if you have a hard time engaging or disengaging 4wd, try turning the steering wheel at the same time. It works.

    Sean

  7. #7
    Super Member grsthegreat's Avatar
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    Default Re: L3400 HST 4 wheel drive engagement

    my kioti manual says to be stopped when engaging the 4wd switch. i dont see why you need to either, but i will follow the instructions. i dont need to with my trucks? kind of weird.
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  8. #8
    Super Member grsthegreat's Avatar
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    Default Re: L3400 HST 4 wheel drive engagement

    my kioti HST manual says to be stopped when engaging the 4wd switch. i dont see why you need to either, but i will follow the instructions. i dont need to with my trucks? kind of weird.
    currently own
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  9. #9
    Super Star Member k0ua's Avatar
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    Default Re: L3400 HST 4 wheel drive engagement

    From the Manual:
    Attached Files Attached Files
    James KUA

    Kioti DK35se hydrostat with 2 QA buckets, 48 inch. King Kutter Rotary Cutter. 750 lbs ballast box. Loaded tires, Construction Attachments SSQA Lightweight Pallet forks. EA 50 inch single lid "wicked" Grapple. Satisfied Everlast PA160 welder owner How to add a link to a post . Best way to search TBN


  10. #10
    Super Star Member LD1's Avatar
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    Default Re: L3400 HST 4 wheel drive engagement

    Quote Originally Posted by k0ua View Post
    From the Manual:
    I wonder if that is the same for the gear tractors?

    Personally, I see no point in doing so. There have been a few times I have pulled out onto the road and forget that I am in 4wd. Just a sharp stomp with the left heel to disengage.

    There have been other times when I am approaching unfavorable conditions for 2wd (like a hill or Ice), and just a sharp pull to engage.

    But I think the bug key is to NOT be spinning the wheels and NOT be in the process of turning. But if all 4 wheels are turning the same speed, and you are going straight, I dont see what harm can be caused. And there ISNT a neutral position either.

    I think it is probabally a "cover their @$$" mentality
    ".........there is only one way to find out."
    "Ok, hold my beer and watch this.........."


    Ford 5500 Backhoe
    Kubota L3400GST W/LA463 FEL
    2005 Dodge 3500 4x4 Diesel
    8N Rebuilt and restored
    Bushhog 306
    3 Homemade wood hauling trailers
    Dolmar 6400 84cc ported
    Sachs-Dolmar 120SI Ported
    (4) Sachs-Dolmar 116SI Ported
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    Sachs-Dolmar 115i
    Sachs-Dolmar 117
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