P/B (2) CATERPILLAR D-379 DIESEL ENGINES, 550-HP W/ NATIONAL C-300-185 TORQUE CONVERTERS, SUBSTRUCTURE, (2) TRIPLEX MUD PUMPS P/B CATERPILLAR D-399 & D-398 ENGINES, ZP275 27-1/2" ROTARY TABLE, (3) TANK MUD SYSTEM, 500 BBL WATER TANK, FUEL TANKS, OIL LUBESTER, 250-TON BLOCK W/ HOOK, KOOMEY CLOSING UNIT, GENERATOR HOUSE W/ (2) 320 KW AC GENERATORS P/B (2) CAT 3406 DITA ENGINES, DOGHOUSE, & RELATED