Place of Origin:
China
Brand Name:
CAT
Model Number:
C7.1
C7.1 Diesel Generator Set 150-220kW Prime Power Emergency Power Supply for CAT
| Category | Parameter | Specification |
|---|---|---|
| General | Generator Model | CAT C7.1 Diesel Generator Set |
| Power Range | 150–220 kW / 188–275 kVA | |
| Frequency | 50Hz / 60Hz | |
| Voltage | 400V / 230V (3-phase) or custom | |
| Application | Prime power / Standby emergency power | |
| Condition | New / low-hour used, fully tested | |
| Engine | Engine Model | CAT C7.1 ACERT™ |
| Configuration | Inline 6-cylinder, 4-stroke diesel | |
| Displacement | 7.1 L | |
| Aspiration | Turbocharged & aftercooled | |
| Rated Speed | 1500 RPM (50Hz) / 1800 RPM (60Hz) | |
| Emissions Tier | Tier 3 / Stage IIIA compliant | |
| Fuel Type | Diesel (EN 590 / ASTM No. 2) | |
| Fuel Consumption | ~210 g/kWh @ 75% load (typical) | |
| Generator End | Alternator Type | Brushless, self-exciting |
| Insulation Class | H | |
| Voltage Regulation | ±1% (AVR controlled) | |
| Power Factor | 0.8 lagging | |
| Efficiency | ≥93% at full load | |
| Control & Protection | Control Panel | CAT EMCP 4 digital controller |
| Functions | Auto start/stop, voltage regulation, fault diagnostics | |
| Protection | Overload, over/undervoltage, over/underfrequency, low oil pressure, high temp shutdown | |
| Mechanical & Enclosure | Mounting | Heavy-duty steel skid base with integrated fuel tank |
| Cooling System | Liquid-cooled with radiator and industrial fan | |
| Starting System | 24V electric starter motor | |
| Dimensions (L×W×H) | ~2800 × 1100 × 1600 mm (typical) | |
| Dry Weight | ~2200–2600 kg (depending on rating) |
| Part Number | Part Type | Description & Compatibility |
|---|---|---|
| C7.1 | Base Engine Model | Official CAT base model designation for the 7.1L diesel engine |
| 377-1109 | Complete Engine Assembly | Factory-original C7.1 engine assembly (129-168kW power range, common for gensets) |
| 443-5154 | Service Replacement Engine | Updated factory service replacement engine for genset applications |
| 377-1109R | Remanufactured Engine | CAT factory-remanufactured engine assembly with full OEM warranty |
| SR4 | Generator End Model | Standard CAT brushless alternator matched to C7.1 engines |
| 458-0671 | Generator End Assembly | Factory-original SR4 alternator assembly for C7.1 gensets (80-200kVA) |
| 458-0672 | Generator End Stator | Replacement stator winding for the SR4 alternator |
| 458-0673 | Generator End Rotor | Replacement rotor assembly with exciter |
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