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

coming soon

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 @ 1500 rpm	Z8180ZLD-4	1500 rpm	8300 kg
ZDMO550PNOB	550 kW @ 1200 rpm	Z8180ZLD-9	1200 rpm	8600 kg
ZDMO600PNOA	600 kW @ 1500 rpm	Z8180ZLD-3	1500 rpm	8700 kg
ZDMO700PNOA	700 kW @ 1500 rpm	Z8180ZLD-2A	1500 rpm	9000 kg
——END——

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
——END——

ZICHAI Z8180ZLD Series Generator Sets Dimensions

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
——END——