Shop HITACHI EX100 120-5 SWING DEVICE SLEW BOX PIN PLANETARY 2 (OEM HI 4337638) | Tonkee®

The slew box is a key component of the excavator's swing system.

It is a rugged and durable enclosure that houses the various components responsible for the excavator's slewing motion. The quality and design of the slew box are crucial to ensure smooth and reliable rotation of the upper structure.

Pin:
The pin in the swing device is a critical component that serves as a pivot point for the upper structure of the excavator. It allows the excavator's superstructure, including the cabin and the boom, to rotate horizontally. The pin must be manufactured to high tolerances and made from high-quality materials to withstand the stresses and loads encountered during excavator operation.

Planetary Gears:
The planetary gears are a set of gears arranged in a planetary gear system within the swing device. These gears are responsible for distributing power from the excavator's hydraulic motor to the slew ring, enabling controlled and precise rotation. The planetary gear system is designed for efficient power transmission and durability.

OEM Part Number HI 4337638:
The OEM (Original Equipment Manufacturer) part number HI 4337638 corresponds to the specific part provided by Hitachi for the swing device's slew box pin planetary gears.

OEM parts are designed to meet the manufacturer's standards and specifications, ensuring compatibility and performance.

Tonkee®:
Tonkee® is a recognized brand that specializes in supplying high-quality replacement parts for heavy machinery, including excavators like the Hitachi EX100-5. They offer a range of aftermarket parts designed to meet or exceed OEM specifications, making them a trusted source for replacement components.

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