Product Name: Track Roller / Bottom Roller
Material: 40MnB / 50Mn Hot Forged Steel
Applicable Excavator Model: CAT 336, 336D, 336D2, 336E, 336F, E336-TZ
Product Name: PC60-5 Excavator Track Roller
Material: High-strength Alloy Steel
Heat Treatment: Hardened And Tempered
Color: Yellow
Surface Coating: Yellow / Black
Shaft Material: 45# Quenched And Tempered Steel
Color: Black
Product Name: CAT320 Front Idler / Track Idler / Guide Wheel
OEM Part Numbers: 9W-9444, 113-2907, 102-8151, 7Y1601