Spare part for Caterpillar: New Aftermarket 9W-9138 Common Undercarriage (9W9138)
New Aftermarket Idler
Description:
Idlers guide the track in and out of the track rollers, They intermittently support the machine's weight and provide a way to control track slack and tension,
Specifications:
PART NUMBER: 9W-9138
Width (mm) : 551
Diameter (mm) : 806
Shaft Diameter (mm) : 74
Flange Type : Center Flange
Flange Diameter (in) : 31,73
Flange Diameter (mm) : 806
Tread Diameter (in) : 30,16
Tread Diameter (mm) : 766
Bolt Size : 1/2