Its cheaper to replace the pump on an oilless than buy a new compressor.
Northern hydraulics and surplus center sell pumps

http://www.surpluscenter.com/sort.asp?UID=2005051400142138&catname=air&keyword=APBP
http://www.northerntool.com/webapp/...CMID=osclrp101ln&N=87+90145&Ne=2


1953 M38A1 (Military Jeep)
1962 K10
1963 FC170 (Ugly Jeep)