Looking to buy a good running and undercarriages. RD4 or D4. any model RD4 to D4D. Crawler preferred but dozer is ok if the undercarriage is good. 5 generation cat family on the north eastern plains of Colorado. Willing to travel if its not too far away.
Also looking for a good head and valves for a D4400 D4 or RD4. For my 4G 9986
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