| Узел | Модель |
| (8B-04) - CIRCUIT - ENGINE MODULE, 688B CK (120301-) | (688BCK) - CASE CRAWLER EXCAVATOR (S/N 120301 & AFTER) (3/93-12/96) |
| (8B-08) - CIRCUIT - ENGINE MODULE, 688B CK (120301-) | (688BCK) - CASE CRAWLER EXCAVATOR (S/N 120301 & AFTER) (3/93-12/96) |
| (8B-10) - CIRCUIT - THERMOSTATIC CONTROLLED VALVE, 688B CK (120301-) | (688BCK) - CASE CRAWLER EXCAVATOR (S/N 120301 & AFTER) (3/93-12/96) |
| (8C-02) - CIRCUIT - VALVE BANK PARTITION, 688B CK (120301-) | (688BCK) - CASE CRAWLER EXCAVATOR (S/N 120301 & AFTER) (3/93-12/96) |
| (8B-04) - ENGINE MODULE HYDRAULIC CIRCUIT | (688C) - CASE CRAWLER EXCAVATOR (S/N 10501 & AFTER) (5/89-12/93) |
| (8B-10) - ENGINE MODULE HYDRAULIC CIRCUIT, (-10997) | (688C) - CASE CRAWLER EXCAVATOR (S/N 10501 & AFTER) (5/89-12/93) |
| (8B-14) - ENGINE MODULE HYDRAULIC CIRCUIT, (10998-11102) | (688C) - CASE CRAWLER EXCAVATOR (S/N 10501 & AFTER) (5/89-12/93) |
| (8B-16) - ENGINE MODULE HYDRAULIC CIRCUIT, (11103-) | (688C) - CASE CRAWLER EXCAVATOR (S/N 10501 & AFTER) (5/89-12/93) |
| (8B-18) - ENGINE MODULE HYD, CIRCUIT WITH THERMOSTATIC CONTROLLED (-10921) | (688C) - CASE CRAWLER EXCAVATOR (S/N 10501 & AFTER) (5/89-12/93) |
| (8B-20) - ENGINE MODULE HYD, CIRCUIT WITH THERMOSTATIC CONTROLLED VALVE (10922-11102) | (688C) - CASE CRAWLER EXCAVATOR (S/N 10501 & AFTER) (5/89-12/93) |
| (8B-22) - ENGINE MODULE HYD, CIRCUIT WITH THERMOSTATIC CONTROLLED VALVE (11103-) | (688C) - CASE CRAWLER EXCAVATOR (S/N 10501 & AFTER) (5/89-12/93) |
| (8C-06) - VALVE SUPPORT HYDRAULIC CIRCUIT, (-10744) | (688C) - CASE CRAWLER EXCAVATOR (S/N 10501 & AFTER) (5/89-12/93) |
| (8C-10) - VALVE SUPPORT HYDRAULIC CIRCUIT, (10745-XXXXX) | (688C) - CASE CRAWLER EXCAVATOR (S/N 10501 & AFTER) (5/89-12/93) |
| (8C-14) - VALVE SUPPORT HYDRAULIC CIRCUIT, (XXXXX-) | (688C) - CASE CRAWLER EXCAVATOR (S/N 10501 & AFTER) (5/89-12/93) |
| (8G-004) - BOOM CYLINDERS CIRCUIT WITH LOAD HOLDING VALVE | (688C) - CASE CRAWLER EXCAVATOR (S/N 10501 & AFTER) (5/89-12/93) |