XZR8®
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Part TypeTrack Roller (Bottom Roller)
Roller Diameter170 mm
Roller Width140 mm
Shaft Diameter45 mm
MaterialForged Alloy Steel with Induction Hardened Surface
Bearing TypeSealed Lubricated Ball Bearings
Lubrication TypePermanent Grease Filled
Operating Weight Class3.5 - 4.5 Ton Excavators
Mounting PositionUndercarriage Track Frame Bottom Roller
Manufacturer No.
772164-3730177216437301YM772164-37301YM77216437301772164-37302
OEM Part No.
772164-37301YM772164-37301772164-37302
Engine Part No.
Yanmar 4TNV98Yanmar 4TNV98T
Interchange No.
YM772164-37300772164-37500
Fitment Vehicles
Yanmar VIO40Yanmar VIO40 C(R)Yanmar VIO40 P(R)Komatsu PC40FR-1

Chassis And Frame Components - Industrial Encyclopedia

OEM specification track roller assembly for Yanmar VIO40 and Komatsu PC40FR-1 mini excavators. Forged steel construction with sealed bearings for undercarriage durability.