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4995445
Dongfeng
| Attribute | Specification |
|---|---|
| Product Name | Engine Control Module (ECM) / Electronic Control Unit (ECU) |
| Manufacturer | Cummins Inc. (OEM) |
| Primary Part Number | 4995445 |
| Alternative Names | Powertrain Control Module (PCM), Engine Computer, ECU Brain |
| Control Platform | CM2150 / CM2250 Series Hardware Architecture |
| Operating Voltage | 24V DC (supports 18–32V input range) |
| Housing Material | Die-cast aluminum alloy — excellent heat dissipation and electromagnetic shielding |
| Connector Type | Dual multi-pin waterproof connectors (typically 80+ pins total) |
| Pin Finish | Gold-plated or corrosion-resistant coating for long-term reliability |
| Protection Rating | IP69K – Dust-tight, protected against high-pressure, high-temperature washdown |
| Application Class | Heavy-Duty Diesel Engines – Trucks, Mining, Marine, Power Generation |
| Parameter | Value / Detail |
|---|---|
| Processor | High-speed 32-bit microcontroller |
| Memory Capacity | Large flash memory for data logging, fault storage, and calibration tables |
| Current Draw | Up to 12A (under full load) |
| Physical Dimensions | Approx. 22 cm × 22 cm × 7 cm (8.7 × 8.7 × 2.8 in) |
| Weight | ~2.9 kg (6.4 lbs) |
| Thermal Management | Passive cooling via metal casing; requires external airflow |
| Environmental Operating Range | -40°C to +85°C (-40°F to +185°F) |
| Vibration Resistance | Meets SAE J1455 and ISO 16750 standards |
| Diagnostics Capability | Full OBD-II and J1939 CAN-based communication support |
| Supported Protocols | J1587, J1939, CAN 2.0B |