1. Basic Information
- Item: Starter Drive Gear
- Model: XH - 557
- Function: Meshes with the engine flywheel to transfer starter torque for smooth engine startup.
2. Compatibility
- Brands/Starters: Case, Cummins, John Deere (SLC); Delco 28MT Series OSGR starters; also applicable to Consolidated Diesel, Mack models.
3. OEM Reference Codes
Matches codes: 10457121, 137760, 54 - 8411, 1.01.0722.0.
4. Specifications
- Teeth (T): 10
- G Dimension: 32
- Length (L): 85.5
- Splines (SPL): 12
- Inner Diameter (ID): 14
- Diameter (D): 60
- Rotation Direction: Clockwise (CW)



1 years
China