Hitachi ECU Controller Description
YNF17006 is a high-performance ECU Controller designed to replace OEM part 9226737 in Hitachi EX75UR excavators equipped with the Isuzu 4JG1 engine. The ECU (Electronic Control Unit) governs essential engine functions including fuel injection, throttle control, and sensor response—ensuring efficient combustion and optimized engine output. Built to operate in the high-vibration, dust-prone environments typical of excavator applications, this unit features sealed casing and robust internal circuitry. It’s ideal for field replacements, fleet maintenance, and spare parts inventory for construction equipment service providers.
Explore excavator ECU replacements at YNF Machinery.
Engine ECU Controller Technical/Data Sheet
| Parameter |
Specification |
| Part Number |
9226737 |
| YNF Number |
YNF17006 |
| Applicable Model |
Hitachi EX75UR |
| Engine Model |
Isuzu 4JG1 |
| Product Type |
Engine ECU / Electronic Control Unit |
| Functions |
Fuel injection, engine control, diagnostics |
| Input Voltage |
12V/24V (depending on machine setup) |
| Housing |
Waterproof sealed aluminum enclosure |
| Software |
Pre-programmed or customizable |
| Installation Type |
Direct mount with OEM connectors |
| Brand |
YNF |
| Origin |
China |
| MOQ |
1 Piece |
| Payment Terms |
T/T, Western Union, L/C |
| Shipping |
Air, Sea, or Express |
Excavator ECU Applications
| Application Scenario |
Description |
| Engine Control Replacement |
Full control unit for EX75UR engine management. |
| Fuel Efficiency Optimization |
Enhances combustion precision and reduces emissions. |
| Diagnostic Fault Handling |
Supports sensor input interpretation and error reporting. |
| Equipment Restoration |
Perfect for rebuilding or servicing excavators. |
9226737 ECU Controller Detail Display
Related Products
FAQs
-
Q: Does this ECU require programming?
A: It comes pre-programmed for most systems; custom versions are available upon request.
-
Q: Is this compatible with Tier 2/3 engine variants?
A: Please confirm your engine and machine serial number when ordering.
Knowledge Base
An excavator ECU is central to its fuel, air, and power management. Faulty or incompatible ECUs can cause delays, excessive fuel use, or machine shutdowns. YNF17006 helps minimize downtime and supports efficient diagnostics through proper engine communication.
