Part No. 139-7638:
Gear for use in planetary gear sets of final drives.
Material: Steel
Spur Gear Number of Teeth: 25
At Mining Parts Depot, our aftermarket Caterpillar gears are engineered for maximum system performance and long-term reliability. Each gear is precisely manufactured to meet exact specifications, ensuring seamless compatibility with both our aftermarket components and Caterpillar OEM parts. Crafted from premium-grade steel and treated with advanced heat-hardening processes, our gears deliver exceptional durability, withstand the toughest mining conditions, and help you achieve peak efficiency in every operation.
Material Description: Premium-Grade Steel
Outside Diameter: 12.248 in (311.12 mm)
Inside Diameter: 7.494 in (190.36 mm)
Width: 4.527 in (115 mm)
- Caterpillar 797
- Caterpillar 797B
- Caterpillar 797F
There are no alternative or superseded part number associated with Caterpillar part number 139-7638
Additional information
| Make | Caterpillar |
|---|---|
| Model | 797 |







