Specification
Part Number: 2129723K01 Gear Idler S3
Application: Idler gear used in the S3 series gearbox / transmission assembly.
Material: Premium alloy steel, precision forged and case-hardened to provide high surface wear resistance and a tough core for fatigue strength.
Gear Teeth: Precision machined and ground to maintain accurate meshing with mating gears; typical profile designed for silent and smooth operation under load.
Hardening & Finish: Case-hardened outer tooth surface (through hardened depth typically 0.8-1.2 mm) for wear resistance, core hardness retained for impact absorption. Surface finish polished to reduce noise and friction.
Dimensions & Fitment: Manufactured to exact OEM fit tolerance to locate correctly in the gearbox housing; hub bore, keyway and mounting surfaces match the OEM dimension specification (as per OEM parts list).
Usage Environment: Designed to operate in transmission oil bath, under dynamic loads, reversing and forward direction, moderate to high rpm; engineered for long service life in agricultural or heavy-duty equipment.
Performance Attributes: High load capacity, low backlash, minimal gear tooth deflection, optimum thermal stability under operating temperatures, corrosion-resistant coating for durability in harsh environments.
Compatibility: Supplied as a direct replacement for the OEM idler gear in S3 gearboxes of the manufacturer. Listed in parts bulletin as item "2129723K01 GEAR IDLER-S3
Packaging & Origin: Supplied boxed, with protective coating to prevent rust during shipment and storage; manufactured in India.