For Komatsu Excavator PC60 7 PC70 7 PC75 1 PC75R 2 PC75UD 3 PC75US 3 PC75UU 3 PC78US 5 PW75 1 PW75R 2 Swing Machinery Sun Gear 201 26 71171 AHD U5MW01804131A037 replaces U4131A037 since 12 09 1997 U5MW01804131A037 replaces U4131A037 since 12 09 1997 8 97331641 0 Teeth(T):19 ) EXCAVATORSPC60 7 S N 45001 UP EXCAVATORSPC60 7 B S N 45001 UP EXCAVATORSPC60 7E S N 45001 UP EXCAVATORSPC60 7E B S N 45001 UP EXCAVATORSPC60 7S S N 45001 UP EXCAVATORSPC60 7S B S N 45001 UP EXCAVATORSPC70 7 S N 45001 UP EXCAVATORSPC70 7 B S N 45001 UP EXCAVATORSPC70 7E S N 45001 UP EXCAVATORSPC70 7E B S N 45001 UP EXCAVATORSPC75 1 S N 5000001 Up EXCAVATORSPC75R 2 S N 22E5200001 Up EXCAVATORSPC75R 2 S N 22E5200763 Up EXCAVATORSPC75R 2 USA S N 22E5200001 Up EXCAVATORSPC75R 2 USA S N 22E5200763 Up EXCAVATORSPC75UD 3 S N 15001 UP EXCAVATORSPC75US 3 S N 16307 UP EXCAVATORSPC75UU 3 S N 15001 UP EXCAVATORSPC78US 5 S N 1001 UP (For North America) EXCAVATORSPC78US 5 S N 1001 UP EXCAVATORSPW75 1 S N 0000001 Up EXCAVATORSPW75R 2 S N 22E0200001 Up EXCAVATORSPW75R 2 S N 22E0200243 Up EXCAVATORS