ZICHAI ZDMO550PNOB Generator Set
The ZDMO550PNOB is a high-power, high-reliability diesel generator set, specifically engineered for large vessel propulsion, heavy industrial operations, and emergency power supply scenarios. Built on mature low-speed diesel engine technology and advanced power generation control systems, it delivers efficient and stable power output, providing users with long-lasting, dependable energy solutions.
The code Z in the model name indicates that the engine brand of the unit is ZICHAI, the code D in the model name indicates that the fuel type is diesel, the code M in the model name indicates that the Marine-used, the code O in the model name indicates that the open type, the code 550 in the model name indicates that the power is 550KW, and the code P in the model name indicates that the power type is the primary power. The code N in the model name indicates that the generator brand is SinoGen, the code O in the model name indicates that the generator set has no ATS and no parallel function, and the code B in the model name indicates that the frequency of the generator set is 60hz.
As official exporting agent of ZICHAI, SinoGen is a professional power system solution provider, we provide one-stop power system solutions for customer from all over the world, from power system design to power system supply, from installation to commissioning, from after-sales services support to parts supply, SinoGen is your reliable power system partner that give you best value for money and reliable system solution.
Advantages of ZICHAI ZDMO550PNOB Generator Set
Delivers a rated power of 550 kW and standby power of 605 kW, paired with the Z8180ZLD-9 diesel engine (640 kW continuous power) at 1200 rpm, reliably meeting heavy industrial and marine high-load demands.
Optimized combustion design achieves a fuel consumption rate of only 195 g/kW·h and a lube oil consumption rate of 1.0 g/kW·h, significantly cutting long-term operating costs while ensuring efficient performance.
Features automatic voltage regulation and a brushless self-excited system, with voltage regulation ratios of ±1% (single unit) and ±2.5% (parallel operation), maintaining stable 60 Hz, 450 V output ideal for sensitive industrial and marine systems.
Rugged 8600 kg construction withstands harsh marine and industrial environments, supporting flexible startup methods (compressed air/electric motor) and 3-phase 4-wire connection for seamless integration into diverse power networks.
Technical Specifications
| Generator Model: | ZDMO550PNOB |
| Engine Model: | Z8180ZLD-9 |
| Rated Power: | 550 kW |
| Rated Speed: | 1200 rpm |
| Fuel Consumption Rate: | 195 g/kW·h |
| Paralleling Capability: | Supported, voltage regulation ±1% (single unit), ±2.5% (parallel) |
| Voltage Regulation: | Automatic |
| Rated Voltage: | 450 V |
| Rated Frequency: | 60 Hz |
| Power Factor: | 0.8 lagging |
| Phase Connection: | 3-phase 4-wire |
Generator Model | Rated Power | Engine Model | Rated Speed | Generator Set Weight (kg) |
| ZDMO450PNOA | 450 kW @ 1000 rpm | Z8180ZLD-14A | 1000 rpm | 8600 kg |
| ZDMO500PNOA | 500 kW @ 1000 rpm | Z8180ZLD-13B | 1000 rpm | 8700 kg |
| ZDMO550PNOA | 550 kW @ 1200 rpm | Z8180ZLD-9 | 1200 rpm | 8600 kg |
| ZDMO550PNOB | 550 kW @ 1500 rpm | Z8180ZLD-4 | 1500 rpm | 8300 kg |
| ZDMO600PNOA | 600 kW @ 1500 rpm | Z8180ZLD-3 | 1500 rpm | 8700 kg |
| ZDMO700PNOA | 700 kW @ 1500 rpm | Z8180ZLD-2A | 1500 rpm | 9000 kg |
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| General Information of ZICHAI ZDMO550PNOB Generator Set | |||
| Rated Power | 550 kW | Stand-by Power | 605 kW |
| Rated Voltage | 450 V | Rated Current | 882 A |
| Rated Frequency | 60 Hz | Rated Power Factor (cos φ) | 0.8 Lagging |
| Stationary Voltage Regulation Ratio | Single unit ≤±1% / Parallel operation ≤±2.5% | Weight of Set | 8600 kg |
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| Engine Specifications of ZICHAI ZDMO550PNOB Generator Set | |||
| Engine Brand | ZICHAI | Engine Model | Z8180ZLD-9 |
| Continuous Power of Diesel Engine | 640 kw | Maximum Power of Diesel Engine | 704 kw |
| Lube Oil Consumption | 1.0 g/kW·h | Diesel Engine Start Method | Started by compressed air motor or electric motor |
| Phase & Connection | 3 phases 4 wires | Voltage Regulating Mode | Automatic |
| Exciting Mode | Brushless,Self-motivation | Fuel Consumption | 195 g/kW·h |
| Rated Speed of Diesel Engine | 1200 rpm | ||
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Note: All Above Data are Just for Reference, All Data Might Change Without Notices or Updates, Please Contact Our Sales Team to Confirm All Details Via WhatsApp or Email.

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Installation Manual

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