159-7448: 153.91mm Outer Diameter Steel Sun Gear

The Caterpillar 159-7448: 153.91mm Outer Diameter Steel Sun Gear is a sun gear used in the final drive system of Caterpillar Haul Trucks 776 and 777

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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