1- Caterpillar forklift dealer
2- Look for a drain plug on the bottom of the tank. If you can't get that out, remove a hose from one of the tilt cylinders and direct it in to a pail. Start it up and pull the lever. AW32 or AW64 fluid.
3- 90wt gear oil
4- Don't know, if it is ATF fliud
5- That is a very basic machine, just grease it once in a while.
5- Cat dealer could tell you
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