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Why no roll up doors

Discussion in 'Compact Track/Multi Terrain Loaders' started by 05rammer, Oct 19, 2017.

  1. 05rammer

    05rammer Well-Known Member

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    Why doesn't anyone other that Tak and Kubota offer a roll up door. It is so handy to roll the door up if you are getting in and out often and the ability to get out of the machine while the arms are up.
     
  2. Tags

    Tags Senior Member

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    I "think" it has a lot to do with cab/electrical layout of the other brands of machines. Almost all of them have all the buttons and switches in the upper right and left hand corners of the cab and I imagine they don't want to reinvent the whole cab layout for a roll up door...what the hell do I know though?? My personal opinion is that the roll up door is the only way to go....
     
    Hysert likes this.
  3. OTG AuGres

    OTG AuGres Well-Known Member

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    I’m no,expert, but the roll up doors seem like a no-brainer. From a safety point, it seems like every other design takes a back seat. I hope to acquire a CTL in the next year or so, and this will be feature of importance to me.
     
  4. JS300

    JS300 Senior Member

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    Just bought a SVL75-2 and the door is the main reason I went with it. I’ve only put about 7 hrs on it but can tell I’m going to really like it over the regular style door. This should be standard on all skids.
     
  5. 05rammer

    05rammer Well-Known Member

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    At least I'm not the only one who thinks this way.
     
  6. digger242j

    digger242j Administrator

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    A CAT salesman told me that one reason theirs swings is that it's easier to get an airtight seal, for the AC system. Personally, I think it's a lousy compromise. If I were in the market, I wouldn't consider a machine that had a door that would only let me work if it was closed.
     
  7. JS300

    JS300 Senior Member

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    Seems to me with a pressurized cab the roll down door would be pushed against the rubber seal and actually seal better than a door that opens to the outside. I’m no expert though. So far the Kubota doesn’t let any dust in, its still new though so time will tell.
     
  8. Tones

    Tones Senior Member

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    Should have mentioned the excavators have a roll up window and they seal ok digger. Some so called salesman are just so full of bull shyt.
     
    bobcan likes this.
  9. OTG AuGres

    OTG AuGres Well-Known Member

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    Absolutely....The front window on my Bobcat E42 rolls up, and I don’t have any problems with it whatsoever. After hearing and reading stories of equipment doors being blocked for various reasons, it’s nice to have a means of exit other than an outward swinging door.
     
  10. Dozerboy

    Dozerboy Senior Member

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    The thing I don’t like about roll up doors is they normally have a cheap design. It doesn’t take but a few years and you’re struggling to open it or doesn’t lock when you open it and it slams down on your head. All the cats that I’ve ran the swinging doors years later they still work as good as day one.
     
  11. digger242j

    digger242j Administrator

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    Well, on the one CAT that it's been my displeasure to operate, the door might've still worked ok, but the cylinder to hold it open was wearing out. Stop and try to get out with the machine angled even slightly uphill and you have to have an extra arm to hold the door open long enough to get your butt out of the seat.

    (Plus, they bought it used, and within about a week used it to pour concrete. Nobody bothered to hose the splatter off the window, so until one of the bosses put a tree branch through the glass, you had no choice but to look through splattered concrete to see what you were working on.)
     
  12. JS300

    JS300 Senior Member

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    I haven’t sat in but 3-4 cats and the doors were all jacked up. I think this has allot to do with age and use though. The few bobcats I’ve been on had good doors. Dozerboy does have a good point and I am worried about all the linkage and rollers on the roll ups. Oh well just a maintenance issue I guess. Nothing last forever it’s all a trade off
     
  13. crewchief888

    crewchief888 Senior Member

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    if youve ever seen a lift base end hose blow while the boom is up, you'd never exit a machine while the boom is up and not supported....

    :eek:
     
    Gul Coast Dirt Worx likes this.
  14. JNB

    JNB Senior Member

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    I used a vendor's Cat to unload my trailer the other day and was instantly reminded how much I hate getting in one of those coffins. I've been stuck in the cab twice with a swing out door and had to exit out the back window. Both times were because of mechanical failure and in both instances the arms were just a few inches above the bump stops. The position of the attachment wouldn't allow the override button to relax the arms far enough down to exit. It's a stupid design and I'm way too old for that crap. Flip up doors are a bunch safer and give a much wider view of the work area in front of the machine which I like. We set a lot of precast concrete culvert ends and the ability to leave the door open and talk to the guy on the ground is a big plus. Flip up doors for me.
     
    OTG AuGres likes this.
  15. 05rammer

    05rammer Well-Known Member

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    Maybe manufacturers will see this and at least make it an option on new ones.
     
  16. KSSS

    KSSS Senior Member

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    I have been a part of these discussions and I can say that a big part of the reason is the extra height that the roll up door needs to allow proper room inside the cab. The door storing up above also removes room for a lot of other features There are some benefits to a roll up door, but it also becomes a maintenance issue with use and a typical door does not. CTL's especially vibrate a lot in movement and leaving the door up and running the machine is much different then an excavator roll up window which moves much slower with a lot more track on the ground to soak up the rough ground. A lot of guys are willing to accepted that with the ability to have a roll up door, but like most things there are no free rides. Deere used to have roll up doors and they went back to swinging doors. I have run the latest Taki machines with the roll up door and it seems robust, and they have had decades longer than anyone to get it right, but the cabs are really tall to allow for that. When you look at it cost is also a factor, roll up doors are more expensive and it takes a dedicated cab to allow for it. The small companies like Kubota and Taki are better able to utilize roll ups in their machines since they only have a handful of machines and there are all large frame machines. Someone like CAT, CASE, and BC which use the same cab over numerous machines of different sizes that becomes an issue. You lose the commonality of build that keeps prices down over the entire line of machines. They could certainly offer two cabs one with a roll up door and one with a swing door, but so far no one seems wanting to do that. It would likely make that roll up door option pretty expensive, and add more complexity to the build process. However like most things like this, if enough people talk about it things tend to happen.
     
  17. Tones

    Tones Senior Member

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    I have only operated a CTL with a rollup door and found it far superior to a hinged one. First is a safety issue, machine catches fire, can't get out cause the arms stop the door opening. The only other exit is out the rear window and over the fire. Bloody good safety feature, Not.
    In all the years I operated old school excavators (no AC) the front window was up doing all kinds of work including ripping rock and demolition. Not once did the window fall down that was locked up
     
    OTG AuGres likes this.
  18. check

    check Senior Member

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    Maybe a lot of Skid steer buyers don't want their cab to be 3" taller to accommodate a roll up door.
     
  19. Gul Coast Dirt Worx

    Gul Coast Dirt Worx Member

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    Before buying the CAT 289D we tried a Kubota, I wasn't a fan of the roll up door because it was difficult to open/close and really effected head room for me (6'3")
     
  20. f311fr1

    f311fr1 Senior Member

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    You can always look at a JCB with the one arm boom and side door.
     
    mikebramel likes this.