Construction Machinery: Loader-Digger Caterpillar

Model Overflow valve pressure
450E 26200 kPa - 3800 lb / sq. inch
446B 22400 kPa - 3248.8 lb / sq. inch
446 19994.8 kPa - 2900 lb / sq. inch
444E 1716.8 kPa - 249 lb / sq. inch
442E 1716.8 kPa - 249 lb / sq. inch
442D 22800 kPa - 3306.9 lb / sq. inch
438D 22800 kPa - 3306.9 lb / sq. inch
438C 20684.3 kPa - 3000 lb / sq. inch
438 serie II 18600 kPa - 2697.7 lb / sq. inch
436 serie II 18615.8 kPa - 2700 lb / sq. inch
434E 1716.8 kPa - 249 lb / sq. inch
432E 1716.8 kPa - 249 lb / sq. inch
432D 22800 kPa - 3306.9 lb / sq. inch
430E 24898 kPa - 3611 lb / sq. inch
430D IT 22754 kPa - 3300.2 lb / sq. inch
430D 22754 kPa - 3300.2 lb / sq. inch
428E 1565.1 kPa - 227 lb / sq. inch
428D 22800 kPa - 3306.9 lb / sq. inch
428C 20700 kPa - 3002.3 lb / sq. inch
428 serie II 18615.8 kPa - 2700 lb / sq. inch
426 serie II 18600 kPa - 2700 lb / sq. inch
424D 20700 kPa - 3002.3 lb / sq. inch
422E 1565.1 kPa - 227 lb / sq. inch
420EIT 24898 kPa - 3611 lb / sq. inch
420E 24898 kPa - 3611 lb / sq. inch
420D IT 22754 kPa - 3300.2 lb / sq. inch
420D 22754 kPa - 3300.2 lb / sq. inch
416E 22700 kPa - 3292 lb / sq. inch
416D 20700 kPa - 3002.3 lb / sq. inch
416 serie II 18615.8 kPa - 2700 lb / sq. inch