Hi looking for where to fill and what fluids for my track loader engine 4d120 model d55s-3 86670 have found the transmission fill, rear drives both sides but havent found anything for range transmission, torque converter, steering clutchs, anyone with this info would be welcome on the final drive right side are 2 fill plugs 1 for drive the other not sure. and how dirty is dirty for the final drive oil. thganks in advance Randy
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