GENERATOR MODEL: EM-W248
| Gensets | ENGINE | Alternator | Customization | Option | ||||
|---|---|---|---|---|---|---|---|---|
| Rated Power | 225KVA/180KW | Engine Model | WP10D238E201 | Alternator Model | VG-274HS | Voltage: | 110V-660V | ATS |
| Standby Power | 248KVA/198KW | Brand | WEICHAI | Rated power: | 180KW | Phase: | Single Phase/ Three Phases | Remote Control |
| Frequency | 60Hz | Engine Power | 216KW | Standby Power: | 248KVA | Alternator: | Stamford/ Leroy Somer/Marathon | Charger |
| Speed | 1800 RPM | Cylinder | 6 | Insulation Class: | H | Control Panel: | Smartgen/Deep sea | Jacket Heater |
| Fuel | Diesel | Fuel Consumption | 199.3 g/kW.h | Protection Class: | IP23 | Fuel Tank Volume: | According To Requirements | Oil Heater |
| Digital Controller | Standard | Displacement | 9.726 L | Trailer | ||||
| Gensets | Download |
|---|---|
| Diesel Generator Set Data Sheet | |
| Engine Data Sheet | |
| Alternator Data Sheet |
For decision‑makers evaluating standby power systems that must perform flawlessly during extended outages or heavy‑load operation, the Weichai‑powered EM‑W248 set offers distinct advantages:
Proven Heavy‑Duty Architecture – The cast‑iron block, mechanical fuel pump, and gear‑driven auxiliaries ensure decades of reliable service without the need for specialized electronics. This simplicity is a major plus for maintenance teams in remote or harsh environments.
Exceptional Thermal Management – Heat‑balance testing at 42.0°C ambient shows the cooling system removes 87.3 kJ/s of heat at rated load, while the intercooler drops charge‑air temperature from 151.6°C to just 51.8°C. This thermal efficiency directly translates to longer component life and reduced downtime – a critical factor for any standby power systems investment.
Superior Fuel Economy – With a fuel consumption as low as 199.3 g/kW·h, this generator minimizes operating costs over thousands of runtime hours. The oil‑to‑fuel consumption ratio is ≤0.2%, meaning fewer top‑ups and less waste oil disposal.
All‑Weather Starting Capability – The 24‑volt electrical system, 8.5 kW starter, and 55 A alternator allow cold starts down to -10°C without auxiliary devices, and down to -30°C with preheating. This reliability is essential for standby power systems deployed in northern climates where winter outages are common.
High Ambient Tolerance – Designed for operation up to 50°C ambient, with a cooling system holding 50 kPa minimum pressure and 22 liters of coolant. The engine’s 875 kg dry weight reflects the robust construction that dampens vibration and ensures stable alignment over years of cyclic loading.
Performance Highlights from the Engine Datasheet
The WP10D238E201 datasheet reveals engineering refinements that set this model apart:
Mean effective pressure of 1.48 MPa and a piston speed of 7.8 m/s indicate a highly tuned yet conservative state of tune, balancing power with longevity.
The intercooler pressure drop is limited to 12 kPa, and the maximum exhaust backpressure is held to 6±0.5 kPa, allowing straightforward exhaust system design without sacrificing engine breathing.
Lubrication is generous: 24‑liter sump capacity, oil pressure between 330‑550 kPa at rated speed, and a flow rate of 118 L/min ensure full film protection even under sustained high loads.
The ignition order (1‑5‑3‑6‑2‑4) provides balanced firing impulses that reduce torsional vibration, and the 136‑tooth flywheel ring gear with 0.95 kg·m² inertia guarantees smooth cranking and stable idle at 650±50 r/min.
These specifications are not just numbers – they translate into a generator that starts reliably, runs cool, and maintains its performance over decades, making it a sound foundation for any standby power systems strategy.
1.Power by Brand new water cooled diesel engine
2.Brushless alternators (Class H, with AVR)
3.Working condition: 0℃~+40℃ (Antifreeze system needed if below 0℃)
4.Base frame fuel tank for continue 8-10hrs running
5.Digital control panel with auto protection
6.MCCB air circuit breaker for over current shutdown
7.Industrial silencer for silent type generator sets
8.Humanized design, simple operation, easy maintenance
9.Ventilation parts are designed with modular principles
10.Soundproof canopy which lined with sound reducing foam
11.All metal canopy parts are painted by powder foam
12.Glass Panel window
13.Lockable doors on front and back side for easy maintenance
14.Easy maintenance and operation
15.Easy lifting and moving, there is forklift hooks and crane holes on chassis
16.External emergency stop button
17.Steel chassis and anti-vibration pads
18.Includes diesel level sensor information to the controller

EMEAN POWER is a well-established enterprise with three subsidiaries: Fuzhou Emean Electric Machinery Co., Ltd., Fujian Epos Electric Machinery Co., Ltd.and Fujian Epos Technology Co., Ltd. Currently, we have two factories and one factory under construction.
To date, we have established cooperative relationships with more than 10,000 customers, and our business covers more than 100 countries and regions around the world.



Digital control panel | Electronic Components | Thicken Chassis | Corrosion Resistant Radiator | Solid Damping Foot | Filter |
|---|---|---|---|---|---|
Integrated digital, intelligent technology, compact structure, simple wiring, high reliability. | Cooperate with well-known electronic component manufacturers such as DELIXI and CHINT to provide customers with long-life,high-quality and very accurate machines | 5MM thickened bent chassis, double-layer painting, improve corrosion resistance. Prevent the unit chassis from being corroded | High quality and low noise radiators, with anti-rust paint to add, ensure that your machine will never old, mildew, corrosion resistance, safety. | Solid damping foot is stamping forming by 3-5 mm high strength steel plate, with metal cover to protect rubber. | More than 99.5% of filtration efficiency |

Our alternator: | Other factory alternator: | Our silicon steel sheet: | Other factory alternator: |
|---|---|---|---|
100% copper wire brushless alternator Or original STAMFORD alternator. | Brush alternator with low quality. | Use high quality cold rolled silicon steel sheet | Use low quality hot rolled silicon steel sheet |

Our engine: | Other factory engine: | Our Radiator: | Other Radiator: |
|---|---|---|---|
Branded powerful engine,with global warranty service. | No Certified, no quality guarantee. | High quality and low noise radiators, with anti-rust paint to add, ensure that your machine will never old, mildew, corrosion resistance, safety. | Low quality, high noise radiator, parameter falsification |

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