Part No. 159-7448:
Gear for use in planetary gear sets of final drives.
Material: Steel
External Spur Gear Number of Teeth: 18
Internal Spline Number of Teeth: 49
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: 6.059 in (153.91mm)
Inside Diameter: 3.018 in (76.67mm)
Width: 5.438 in (138.13mm)
- Caterpillar 776C, 776D
- Caterpillar 777, 777C, 777D, 777E, 777F, 777G
Caterpillar part number 159-7448 supersedes part number 6G-9855
Additional information
| Make | Caterpillar |
|---|---|
| Model | 776, 777 |









