Description
7835-46-1007 7835461007 Controller for Excavator PC200 PC210 PC220 PC230NHD PC240 PC270 PC290
Basic Information
- Part Number: 7835-46-1007 / 7835461007
- Product Name: Excavator Hydraulic Pump Controller / Main ECU Computer Board
- Compatible Machine: Komatsu PC200, PC210, PC220, PC230NHD, PC240, PC270, PC290 Series Excavators
- MOQ: 1 Piece, Ready Stock Fast Shipment
Core Function & Working Principle
This ECU pump controller acts as the central electronic brain for Komatsu PC series excavators. It receives real-time signal data from engine speed sensors, hydraulic pressure sensors and pilot control sensors. The built-in high-speed microprocessor calculates load demand, automatically matches engine output power and main pump hydraulic flow, optimizing digging force, fuel consumption and machine responsiveness.
It supports built-in self-diagnosis, automatically detecting system malfunctions, storing fault codes and sending alarm prompts to the monitor panel. It also provides multi-layer overload protection for engine and hydraulic pump, effectively avoiding component burnout caused by abnormal pressure or overloading.
Wide Application Scenarios
This hydraulic pump ECU fits all daily heavy construction work of Komatsu PC medium & large excavators: municipal road renovation, foundation excavation, earthmoving loading, building demolition, trench digging, swamp soft ground operation, quarry mining and long-term rental fleet heavy-load continuous use.






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