This is New Oil Cooler Core Assembly that shows to fit the Following:
Crawler Dozer: D6C, D6D, D7F
Crawler Loader: 977K, 977L
Engine: D330C, D333C, 3304, 3304B, 3306, 3306B
Hual Truck: D25C, D25D, D30C, D30D, D35C, D250B, D300B, D350C, D350D
Pipe Layer: 571F, 572F
Wheel Compactor: 528
Wheel Loader: 920, 936, 936E, 950B, 950E, 966C, 966D, 966E
Wheel Scraper: 621, 621B, 621E, 621R, 621S, 623, 627E, 637E, 639D
Wheel Tractor: 571F, 572F, 814, 815, 816
This Cooler Core may also fit other models & applications.