| Узел | Модель |
| (8C-08) - CIRCUIT - VALVE BANK PARTITION, 688B CK (120301-) | (688BCK) - CASE CRAWLER EXCAVATOR (S/N 120301 & AFTER) (3/93-12/96) |
| (8E-04) - CONTROL OPTION - HYDRAULIC, 688B CK (120301-) | (688BCK) - CASE CRAWLER EXCAVATOR (S/N 120301 & AFTER) (3/93-12/96) |
| (8E-06) - CONTROL OPTION - HYDRAULIC AND ELECTRIC, 688B CK (120301-) | (688BCK) - CASE CRAWLER EXCAVATOR (S/N 120301 & AFTER) (3/93-12/96) |
| (8E-08) - CONTROL OPTION - ELECTRIC, 688B CK (120301-) | (688BCK) - CASE CRAWLER EXCAVATOR (S/N 120301 & AFTER) (3/93-12/96) |
| (8E-20) - CONTROL OPTION - HYDRAULIC AND ELECTRIC, 688B CK (120301-) | (688BCK) - CASE CRAWLER EXCAVATOR (S/N 120301 & AFTER) (3/93-12/96) |
| (8C-18) - VALVE SUPPORT HYDRAULIC CIRCUIT, (-10629) | (688C) - CASE CRAWLER EXCAVATOR (S/N 10501 & AFTER) (5/89-12/93) |
| (8C-20) - VALVE SUPPORT HYDRAULIC CIRCUIT, (10630-11128, 11130) | (688C) - CASE CRAWLER EXCAVATOR (S/N 10501 & AFTER) (5/89-12/93) |
| (8C-22) - VALVE SUPPORT HYDRAULIC CIRCUIT, (11129, 11131-) | (688C) - CASE CRAWLER EXCAVATOR (S/N 10501 & AFTER) (5/89-12/93) |