I was originaly looking at those dozers myself. The drain plugs were previously removed and have some oil coming out indicating a seal is leaking. They are for use in Komatsu equipment transmissions, drive trains, swing machinery and hydraulic systems. There are 2 model numbers that show transmission type. Komatsu Powertrain Oils provide optimized friction retention for extended clutch life and slippage control under severe high load application.
All the newer larger skid steers have higher horsepower than small dozers, but it is used differenly. Doing that sure does tear up the ground and make a deep trench in a hurry. Some have grouser bar welded to the top for additional traction. Jim The rubber tracks I put on my D20 have a tractor style tread and grip on most dry surfaces better than the original tracks did. Get the D21 do your job and when your done - put it back on the market and chances are you won't lose a dime.
The sprockets maybe an issue however; the teeth on them look pointed and worn, and you may want to check on the replacement costs? I was wondering what this machine is capable of. It is also suited for hydraulic systems of tractors and ancillary equipment. I have tried all the of the suggested remedies and I'm in the same position as I started. Komatsu Automatic Transmission Fluid is a high performance lubricating oil and is recommended for use in all automatic transmissions requiring an Allison C-3 or C-4 fluid. Would it damage anything to put some heat to this so I can get it freed up? It looks as if it has had reasonable to good care, and no signs of visible abuse or leaks? Your Komatsu distributor can provide you with the proper filters and fluids for your equipment, including specialty applications.
Sounds like a nice addition for some light work. I don't have much experience with dozers, but with the throttle at a normal setting I had to make several passes to spread out truck loads of dirt. I'll try to post pictures of the process. Its selected additives and high quality base oils provide good low temperature fluidity and wear protection. Komatsu originally established itself in the world-wide construction and mining markets by building durable and reliable bulldozers.
And for what to look out for on the track bushing condition. With new brake shoes I'll need to back that adjustment back quite a bit. My D20p specs out just under 9000lbs. They had to bring out a trackhoe to dig up the dirt, then use the dozer to spread and smooth it out. Engine-----------------8 liters 15W40 Clutch case---------- 6 liters 10W Transmission case 16. Lots have happened since I took delivery - here is an update: The biggest concern I had with the purchase of this machine was that it would not turn right when you pulled the right steering break lever.
They are an excellent dozer choice for someone who has a homestead type property and wants to put in their own improvements, a remote site work machine capable of building an airstrip, a residential contractor that needs to work around tight spaces or just someone who always wanted a dozer to play with. I was hoping to get your opinions of what you think of it's condition and if the price is right. . Brian Baby dozer owner Click to expand. Here is a picture of the lift arms and the cylinders. If one is going bad, the other may soon be a problem also. I found that it pushed a sufficient amount of dirt with the throttle turned up pretty high, but this is bad for fuel consumption.
I read over the manuals I got and discovered a simple adjustment for the steering breaks. Any ideas where to get a rebuild kit? This thing is easy to use and can move some dirt!!! Both will give you similar traction as weight of the dozer is what determines traction more then anything else. I can see how smooth tracks could be a problem. My only issue right now is that I need new grouser bars on my tracks. Many Komatsu Genuine lubricants can also be used in non-Komatsu equipment and gain many of the same benefits.
I'll be clearing the last project from the shop 1995 Ford f-250 with brakes and door hinges. Blade width is just over 7'. Look forward to the finishing steps with loose gravel - will be the most unterrupted fun! It will help you understand, care for, and lower the repair and maintenance cost for your Komatsu. Fuel tank 60 liters 15. One good thing about buying a dozer and finding out it's too small is they all sell pretty good. I have a D20P-7 It started smoking blue really bad. Oh, I'll be changing the hydro oil to equipment specs.
The sprocket looks really good. Another track type is the rounded grouser profile - the verticle fin on the track. The bushings are your biggest concern with the tracks. I would rather own a 15,000lb to 18,000lb dozer and rent a small one for the jobs that need one. They are rough riding on rocky ground, do not provide as much traction as the single grouser shoes and tend to break in hard ground applications. At 40hp and 9,000 pounds, I think you'll be dissapointed with it.