| Узел | Модель |
| (040) - COUNTERWEIGHTS, FRONT MOUNTED COUNTERWEIGHT, (MODEL 310G CRAWLER ONLY) | (33) - BACKHOE FOR 310G AND 450 CRAWLER (1/66-12/71) |
| (118) - COUNTERWEIGHTS, 310G, 350 & 450 CRAWLERS, FRONT MOUNTED COUNTERWEIGHT, MDL. 310G & 350 CRAWLERS ONLY | (26) - BACKHOE (1/65-12/75) |
| (118) - COUNTERWEIGHTS, 310G, 350 & 450 CRAWLERS, FRONT MOUNTED COUNTERWEIGHT, MDL. 310G & 350 CRAWLERS ONLY | (26B) - BACKHOE (1/65-12/75) |
| (118) - COUNTERWEIGHTS, 310G, 350 & 450 CRAWLERS, FRONT MOUNTED COUNTERWEIGHT, MDL. 310G & 350 CRAWLERS ONLY | (26S) - BACKHOE (1/65-12/75) |
| (256) - FRONT COUNTERWEIGHT | (450) - CASE CRAWLER TRACTOR (PRIOR TO S/N 3038436) (1/65-12/80) |
| (222) - FRONT COUNTERWEIGHT | (450) - CASE CRAWLER TRACTOR (S/N 3038436 TO 3060306) (7/68-12/80) |
| (278) - FRONT COUNTERWEIGHT | (450) - CASE CRAWLER TRACTOR (S/N 3060306 & AFTER) (7/75-12/80) |
| (240) - COUNTERWEIGHTS, FRONT AND REAR COUNTERWEIGHTS | (450B) - CASE CRAWLER TRACTOR (1/78-12/83) |
| (240) - COUNTERWEIGHTS, FRONT AND REAR COUNTERWEIGHTS | (455B) - CASE CRAWLER TRACTOR (1/83-12/83) |