Komatsu Excavator Parts Gears 6245-71-3140

Komatsu Excavator Parts Gears 6245-71-3140

Excavators rely on various types of gears to facilitate their complex movements and operations. Here's an overview of the different types of gears commonly found in excavators:

Types of Gears Used in Excavators:

1. Swing Gear:

   • Function: Enables the upper structure of the excavator to rotate 360 degrees.
   • Components: Consists of a large ring gear and a pinion gear that engages with it.

2. Travel Gear:

   • Function: Transfers power from the hydraulic motors to the tracks, allowing the excavator to move.
   • Components: Includes reduction gears and final drive gears that provide torque to the tracks.

3. Hydraulic Pump Gear:

   • Function: Transmits power from the engine to the hydraulic pump, which powers various hydraulic functions such as the boom, arm, and bucket.
   • Components: Meshes with the engine's crankshaft to transfer rotational motion.

4. Engine Timing Gears:

   • Function: Controls the timing of the engine's valves and fuel injection processes.
   • Components: Includes camshaft gears and crankshaft gears.

5. Transmission Gears:

   • Function: Transfers power from the engine to the wheels or tracks through various gears (such as planetary gears) to adjust speed and torque.
   • Components: Includes gears for forward, reverse, and different speed ranges.

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