2EN-D7R Track-type Tractor
2HR-D7R Track-type Tractor
3DN-D7R Track-type Tractor
9HM-D7R Track-type Tractor
ABJ-D7R II Track-type Tractor
ACS-D7R II Track-type Tractor
AEC-D7R II Track-type Tractor
AFG-D7R II Track-type Tractor
Condition: : GENUINE
Additional Information
CATERPILLAR 166-8357 Idler GP-Track – OEM-Grade Durability for D7R Track-Type Tractors
The Caterpillar 166-8357 Idler GP-Track is a precision-engineered component designed specifically for D7R series track-type tractors, including models 2EN, 2HR, 3DN, 9HM, ABJ II, ACS II, AEC II, and AFG II. Manufactured to OEM specifications, this idler ensures optimal track tension and alignment, critical for maintaining drivetrain efficiency under heavy load conditions. Constructed from high-grade alloy steel with advanced heat treatment metallurgy, the idler offers exceptional wear resistance and structural integrity, supporting continuous operation in harsh mining and construction environments.
This idler features a robust design with exacting dimensional tolerances to fit seamlessly within the D7R undercarriage system. Its precision-machined bearing surfaces reduce friction and extend service intervals, enhancing overall machine performance. The 166-8357 Idler GP-Track withstands extreme impact and abrasive forces, minimizing downtime and repair costs. Ideal for operators seeking reliable, long-lasting track components that maintain track chain alignment and improve traction, this idler contributes to smoother machine operation and increased productivity.