| Узел | Модель |
| (4-06) - TOOL BAR HARNESS & BLOCKAGE MODULE, UNITS W/ 7" ROW SPACING & FUNCTION MONITOR SYS., 45' WIDE DRILL | (8500) - CASE IH AIR DRILL (8/86-12/89) |
| (4-08) - TOOL BAR HARNESS & BLOCKAGE MODULE, UNITS W/ 10 AND 12 INCH ROW SPACING AND FUNCTION MONITOR SYSTEM | (8500) - CASE IH AIR DRILL (8/86-12/89) |
| (4-10) - TOOL BAR HARNESS, UNITS WITH BLOCKAGE MONITOR SYSTEM, 45 FOOT WIDE DRILL | (8500) - CASE IH AIR DRILL (8/86-12/89) |
| (4-12) - TOOL BAR HARNESS, UNITS WITH 7 & 10 INCH ROW SPACING & BLOCKAGE MONITOR SYSTEM, 33 FOOT WIDE DRILL | (8500) - CASE IH AIR DRILL (8/86-12/89) |
| (4-14) - BLOCKAGE MODULES & PIN SENSORS, UNITS W/ 7" ROW SPACING & BLOCKAGE MONITOR SYS., 45 FOOT WIDE DRILL | (8500) - CASE IH AIR DRILL (8/86-12/89) |
| (4-16) - BLOCKAGE MODULES & PIN SENSORS, UNITS WITH 7" ROW SPACING & BLOCKAGE MONITOR SYSTEM, 33' WIDE DRILL | (8500) - CASE IH AIR DRILL (8/86-12/89) |
| (4-18) - BLOCKAGE MODULES & PIN SENSORS, UNITS W/ 10 INCH AND 12 INCH ROW SPACING AND BLOCKAGE MONITOR SYS. | (8500) - CASE IH AIR DRILL (8/86-12/89) |
| (4-20) - BLOCKAGE MODULES & PIN SENSORS, UNITS W/ 10" ROW SPACING & BLOCKAGE MONITOR SYS., 33 FOOT WIDE DRILL | (8500) - CASE IH AIR DRILL (8/86-12/89) |
| (4-10) - TOOL BAR HARNESS AND BLOCKAGE MODULE, UNITS WITH 6-1/2 INCH ROW SPACING AND FUNCTION MONITOR SYSTEM | (8600) - CASE IH AIR DRILL (8/87-12/96) |
| (4-12) - TOOL BAR HARNESS AND BLOCKAGE MODULE, UNITS WITH 9 INCH ROW SPACING AND FUNCTION MONITOR SYSTEM | (8600) - CASE IH AIR DRILL (8/87-12/96) |
| (4-14) - TOOL BAR HARNESS, UNITS WITH BLOCKAGE MONITOR SYSTEM | (8600) - CASE IH AIR DRILL (8/87-12/96) |
| (4-16) - BLOCKAGE MODULES AND PIN SENSORS, UNITS WITH 6-1/2 INCH ROW SPACING AND BLOCKAGE MONITOR SYSTEM | (8600) - CASE IH AIR DRILL (8/87-12/96) |
| (4-18) - BLOCKAGE MODULES AND PIN SENSORS, UNITS WITH 9 INCH ROW SPACING AND BLOCKAGE MONITOR SYSTEM | (8600) - CASE IH AIR DRILL (8/87-12/96) |