Final Drive for Komatsu PC1250 (21N-27-00130)

The part number 21N-27-00130 refers to the final drive assembly (also known as a travel motor or travel gearbox) for the Komatsu PC1250 series of hydraulic excavators, including the PC1250-7, PC1250-8, and PC1250-11 models. It is a critical component for the machine’s movement.

Part Details & Specifications

The final drive is an original equipment manufacturer (OEM) quality or aftermarket replacement part that includes the travel motor and reduction gearbox.

• Part Number: 21N-27-00130 (interchangeable with other part numbers like 21N-27-00140 and 21N-27-31321 in some models)
• Application: Komatsu PC1250 series excavators (PC1250-7, PC1250-8, PC1250-11, PC1250LC/SP versions)
• Condition: Available new (original or aftermarket), used, or reconditioned
• Material: Constructed from high-strength alloy steel with hardened tooth surfaces for durability and load capacity
• Function: Provides the final gear reduction in the hydrostatic two-speed travel system to deliver strong torque for movement and traction
• Weight: An original Komatsu unit weighs approximately 1787.750 kg.
• Warranty: Typically comes with a manufacturer’s warranty of 6 to 12 months, depending on the supplier.