| Узел | Модель |
| (258) - UNDERCARRIAGE | (1280) - CASE CRAWLER EXCAVATOR (1/80-12/84) |
| (122) - CRAWLER UNDERCARRIAGE AND TRACK FRAME, MODELS WITHOUT | (1080) - CASE CRAWLER EXCAVATOR (1/83-12/86) |
| (124) - CRAWLER UNDERCARRIAGE AND TRACK FRAME, MODELS WITH LEVELER | (1080) - CASE CRAWLER EXCAVATOR (1/83-12/86) |
| (142) - CRAWLER UNDERCARRIAGE AND RELATED PARTS | (980B) - CASE CRAWLER EXCAVATOR (S/N 6203751 & AFTER) (1/76-12/81) |
| (128) - CRAWLER UNDERCARRIAGE AND RELATED PARTS | (880) - CASE CRAWLER EXCAVATOR (1/71-12/80) |
| (120) - * STANDARD CRAWLER UNDERCARRIAGE AND RELATED PARTS, (USED ON UNITS W/O LEVELER) | (880B) - CASE CRAWLER EXCAVATOR (1/76-12/80) |
| (122) - * OPTIONAL LONG CRAWLER UNDERCARRIAGE AND RELATED PARTS (USED ON UNITS W/O LEVELER) | (880B) - CASE CRAWLER EXCAVATOR (1/76-12/80) |
| (124) - * STANDARD CRAWLER UNDERCARRIAGE AND RELATED PARTS, (USED ON UNITS W/LEVELER) | (880B) - CASE CRAWLER EXCAVATOR (1/76-12/80) |
| (126) - * OPTIONAL LONG CRAWLER UNDERCARRIAGE AND RELATED PARTS (USED ON UNITS W/LEVELER) | (880B) - CASE CRAWLER EXCAVATOR (1/76-12/80) |
| (124) - UNDERCARRIAGE AND TRACK FRAMES, STANDARD 6-ROLLER TRACK - W/O LEVELER | (880C) - CASE CRAWLER EXCAVATOR (7/80-12/84) |
| (126) - UNDERCARRIAGE AND TRACK FRAMES, STANDARD 6-ROLLER TRACK - WITH LEVELER | (880C) - CASE CRAWLER EXCAVATOR (7/80-12/84) |
| (128) - UNDERCARRIAGE AND TRACK FRAMES, LONG 7-ROLLER TRACK - W/O LEVELER | (880C) - CASE CRAWLER EXCAVATOR (7/80-12/84) |
| (130) - UNDERCARRIAGE AND TRACK FRAMES, LONG 7-ROLLER TRACK - WITH LEVELER | (880C) - CASE CRAWLER EXCAVATOR (7/80-12/84) |
| (100) - CRAWLER UNDERCARRIAGE AND TRACK FRAMES, MODELS WITHOUT LEVELER | (880D) - CASE CRAWLER EXCAVATOR (7/84-12/87) |
| (102) - CRAWLER UNDERCARRIAGE AND TRACK FRAMES, MODELS WITH LEVELER | (880D) - CASE CRAWLER EXCAVATOR (7/84-12/87) |
| (5-104) - CRAWLER UNDERCARRIAGE AND RELATED PARTS | (50) - CASE SERIES-E CRAWLER EXCAVATOR (S/N 6280543 & AFTER) (7/81-12/83) |
| (002) - CRAWLER UNDERCARRIAGE AND ATTACHING PARTS | (35) - DROTT SERIES-D CRAWLER EXCAVATOR (S/N 6266131 & AFTER) (7/77-12/81) |
| (004) - OPTIONAL TURNTABLE LEVELER, PINS AND HARDWARE | (35) - DROTT SERIES-D CRAWLER EXCAVATOR (S/N 6266131 & AFTER) (7/77-12/81) |
| (046) - CRAWLER UNDERCARRIAGE AND ATTACHING PARTS | (40) - DROTT SERIES-E CRAWLER EXCAVATOR (S/N 6271140 & AFTER) (7/81-12/82) |
| (048) - CRAWLER UNDERCARRIAGE AND ATTACHING PARTS, (USED ON UNITS WITH OPTIONAL LEVELER) | (40) - DROTT SERIES-E CRAWLER EXCAVATOR (S/N 6271140 & AFTER) (7/81-12/82) |
| (002A) - CRAWLER UNDERCARRIAGE AND RELATED PARTS, (S/N 6279926 AND | (50) - DROTT SERIES-D CRAWLER EXCAVATOR (S/N 6279926 & AFTER) (1/76-12/80) |