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297-4590 297-4589 2974590 2974589 Excavator control handle spare parts
Product Name：Excavator Control Handle (Part No.: 297-4590 / 297-4589, also marked as 2974590 / 2974589)
Applicable Equipment：
- Brand: Caterpillar and other mainstream excavator brands
- Models: CAT 320D, 323D, 324D, 325D, 329D, 330D, 336D, 345D, 349D series hydraulic excavators
- System: Hydraulic pilot control system
1 pc
MOQ
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Price
Product Description
Core Parameters：
- Part Number: 297-4590 (typically right-hand handle), 297-4589 (typically left-hand handle)
- Type: 3-button electronic control handle
- Structure & Material: High-strength engineering plastic housing + built-in microswitch/Hall sensor + multi-core waterproof wiring harness
- Function Layout: 2 round buttons + 1 toggle switch, used to control auxiliary functions such as breaker, travel speed, horn, and other auxiliary actions
Function & Application：
- Multi-Function Control Integration: Multiple control buttons integrated in one handle, enabling operations like breaker start/stop, travel high/low speed switching, and horn activation, simplifying the cab control layout.
- Precise Signal Output: Built-in switches/sensors convert button operations into electrical signals, transmitting to the controller to precisely control the hydraulic pilot valve for accurate action execution.
- Comfort & Durability: Ergonomic grip design reduces operator fatigue during long working hours; wear-resistant plastic housing and waterproof wiring harness adapt to the dusty, high-vibration harsh environment of excavators, extending service life.
- OEM Compatibility: Precision manufactured to Caterpillar original standards, perfectly matching interface dimensions, pinout, and control logic. Directly replaces the original 297-4590 or 297-4589 handle without additional calibration.
Application Scenario：
Suitable for maintenance and replacement of the control system in CAT series excavators, resolving issues such as button failure, signal transmission faults, and handle wear. It is a core control component to ensure the operational accuracy and work efficiency of the excavator.
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No. 23 Bridge Pier, Chengfeng Excavator Parts, Baoye City Green Garden (East Area), Tongling Road, Datong Road Subdistrict, Yaohai District, Hefei, Anhui, China.
Tel：
13427233834
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+8613427233834
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18820999946@163.com
13427233834@163.com