US Army, Technical Manual, TM 5-3805-280-10, HYDRAULIC EXCAVATOR JOHN DEERE MODEL 230LCR NSN 3805-01-463-0804 AND MODEL 230LCRD WITH ROCK DRILL NSN 3805-01-463-0806
US Army, Technical Manual, TM 5-3805-280-10, HYDRAULIC EXCAVATOR JOHN DEERE MODEL 230LCR NSN 3805-01-463-0804 AND MODEL 230LCRD WITH ROCK DRILL NSN 3805-01-463-0806