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  1. J

    D21A-5 R&R steering clutch

    Still looking for instructions on how to R&R the steering clutch, any ideas where I could look?
  2. J

    Section for komatsu d20,21 and similar grey market dozers

    Paul, I am sorry it took me so long to respond, if you are still up for it I will call! Thank You! Jeff
  3. J

    Section for komatsu d20,21 and similar grey market dozers

    Additional info It looks like there are two shop manuals? The one I have is 223 pages and is titled "Shop Manual", the other is listed as a "Service Manual" and is 522 pages? Does anyone know if that is the one I need from SSB or am I going the wrong direction? Apparently the section I...
  4. J

    Section for komatsu d20,21 and similar grey market dozers

    Hello, I have a D21A-5 with steering brake issues (left). Clutches seem to work fine, left steering brake will not engage going forward but does in reverse. If I adjust it up it just drags the whole time. I think it might be a broken spring. I have the shop manual but it does not describe...
  5. J

    D21A-5 R&R steering clutch

    Hello, I need to R&R the steering clutch and brake on my little dozer. I picked up the shop manual thinking it would have a step by step breakdown of the procedure, however all it has are schematics. Is there a manual out there that would have the procedure? Thanks all, Jeff
  6. J

    Section for komatsu d20,21 and similar grey market dozers

    If you can't find those brass "Crush Washers" at a hardware store, try a motorcycle shop. They use them on motorcycle brake systems all the time. Just take the one you have left as a sample.
  7. J

    Section for komatsu d20,21 and similar grey market dozers

    D21A-5 Brake adjustment problem Hello, I have owned a D21A-5 for about 6 years. My dozer has developed an issue over the winter months, the right clutch/brake works fine, however the left is a different story. The left clutch seems to disconnect power just fine, however when moving forward...
  8. J

    Section for komatsu d20,21 and similar grey market dozers

    Hello, I have a D21a-5 and my left brake is sticking. The brake arm under the seat never returns all the way down level with the right side. Is there an easy fix without having to pull it out? Thanks!
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