- EN
| Parameter | Specification |
|---|---|
| Product Name | Pressure Sensor |
| COGENG Part Number | 31LF-00500 |
| OEM Equivalent | Hyundai 31LF-00500 |
| Product Type | Hydraulic Pressure Sensor |
| Sensor Type | Piezoresistive pressure transducer |
| Output Type | 4-20 mA or 0.5-4.5V (application dependent) |
| Application | Hydraulic system pressure monitoring |
| Compatible Models | Hyundai R55W-7, R140W-7, R170W-7, R200W-7 Wheel Excavators |
| Material | Iron + Rubber (seals: NBR / FKM) |
| Packing | PP bag inside, carton box outside |
| Place of Origin | Guangdong, China |
| Brand Name | COGENG |
| Certification | ISO9001 |
| Supply Capacity | 500 PCS |
| Brand | Part Number |
|---|---|
| COGENG | 31LF-00500 |
| Hyundai | 31LF-00500 |
| Interchange | 31LF-00501, 31LF-00502, 31LF-00503 |
| Parameter | Specification |
|---|---|
| Model | Hyundai R55W-7 Wheel Excavator |
| Type | 5.5-ton Wheel Excavator |
| Series | Dash 7 |
| Application | Hydraulic pressure monitoring |
| Parameter | Specification |
|---|---|
| Model | Hyundai R140W-7 Wheel Excavator |
| Type | 14-ton Wheel Excavator |
| Series | Dash 7 |
| Application | Hydraulic pressure monitoring |
| Parameter | Specification |
|---|---|
| Model | Hyundai R170W-7 Wheel Excavator |
| Type | 17-ton Wheel Excavator |
| Series | Dash 7 |
| Application | Hydraulic pressure monitoring |
| Parameter | Specification |
|---|---|
| Model | Hyundai R200W-7 Wheel Excavator |
| Type | 20-ton Wheel Excavator |
| Series | Dash 7 |
| Application | Hydraulic pressure monitoring |
| Application | Pressure Range | Function |
|---|---|---|
| Main Pump Pressure | 0-350 bar | Monitors main hydraulic pump output |
| Implement Pressure | 0-350 bar | Monitors boom/arm/bucket circuits |
| Pilot Pressure | 0-50 bar | Monitors pilot control pressure |
| Swing Circuit | 0-350 bar | Monitors swing brake/pressure |
| Travel Circuit | 0-350 bar | Monitors wheel travel motor pressure |
| Steering Circuit | 0-200 bar | Monitors steering system pressure |
| Brake Circuit | 0-200 bar | Monitors brake system pressure |
Q: What Hyundai models use the 31LF-00500 pressure sensor?
A: The COGENG 31LF-00500 pressure sensor is a direct OEM replacement specifically designed for Hyundai wheel excavator models including R55W7, R140W7, R170W7, and R200W7. This sensor is typically used in the hydraulic or engine system for monitoring critical pressure circuits. Always verify this part number against your machine's parts manual or the original sensor's identification markings to confirm exact compatibility before ordering.
Q: What are the symptoms of a failing pressure sensor on a Hyundai wheel excavator?
A: Common symptoms include inaccurate or erratic pressure readings on the monitor panel, active diagnostic trouble codes related to the pressure sensor circuit, degraded hydraulic performance, the machine entering a failsafe or limp mode, intermittent hydraulic function response, or the engine control system failing to properly match engine speed to hydraulic load demand. A faulty pressure sensor can significantly impact overall machine performance, digging force, and fuel efficiency.
Q: How does the pressure sensor affect excavator operation?
A: The 31LF-00500 sensor provides real-time pressure data to the machine's electronic control system. This information is used to manage pump displacement, engine speed matching, and implement response. Accurate pressure sensing is essential for smooth hydraulic operation, preventing system overloads, and optimizing fuel consumption on wheel excavator models.
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