| Узел | Модель |
| (055) - 9N734 VALVE MECHANISM GROUP, SN 90N1 TO 90N6120, INCLUSIVE | (3208) - CATERPILLAR 8 CYL DIESEL ENGINE |
| (056) - 9N487 VALVE MECHANISM GROUP, EFFECTIVE WITH SN 90N6121 | (3208) - CATERPILLAR 8 CYL DIESEL ENGINE |
| (055) - 9N734 VALVE MECHANISM GROUP, SN 90N1 TO 90N6120, INCLUSIVE | (3208T) - CATERPILLAR TURBOCHARGED 8 CYL DIESEL ENGINE |
| (056) - 9N487 VALVE MECHANISM GROUP, EFFECTIVE WITH SN 90N6121 | (3208T) - CATERPILLAR TURBOCHARGED 8 CYL DIESEL ENGINE |
| (031) - VALVE MECHANISM GROUP, 9L8307, USED ON & BETWEEN 97M242 THRU 97M506 FOR 3150 ALSO USED ON 98M386 THRU 98M511 FOR 3160 | (3150) - CATERPILLAR 8 CYL DIESEL ENGINE |
| (032) - VALVE MECHANISM GROUP, 9N7129, USED ON & ASN 97M507 FOR 3150 & USED ON & ASN 98M512 FOR 3160, USED IN ARRANGEMENT 2N6277, 299317 & 3N3328 | (3150) - CATERPILLAR 8 CYL DIESEL ENGINE |
| (031) - VALVE MECHANISM GROUP, 9L8307, USED ON & BETWEEN 97M242 THRU 97M506 FOR 3150 ALSO USED ON 98M386 THRU 98M511 FOR 3160 | (3160) - CATERPILLAR 8 CYL DIESEL ENGINE |
| (032) - VALVE MECHANISM GROUP, 9N7129, USED ON & ASN 97M507 FOR 3150 & USED ON & ASN 98M512 FOR 3160, USED IN ARRANGEMENT 2N6277, 299317 & 3N3328 | (3160) - CATERPILLAR 8 CYL DIESEL ENGINE |