30kW Quiet Diesel Generator – WEICHAI Engine

GENERATOR SET SPECIFICATIONS

Gensets		ENGINE		Alternator		Customization		Option
Rated Power	37.5KVA/30KW	Engine Model	WP2.3D47E201	Alternator Model	VG-184G	Voltage:	110V-660V	ATS
Standby Power	41KVA/33KW	Brand	WEICHAI	Rated power:	30KW	Phase:	Single Phase/ Three Phases	Remote Control
Frequency	60Hz	Engine Power	43KW	Standby Power:	41KVA	Alternator:	Stamford/ Leroy Somer/Marathon	Charger
Speed	1800 RPM	Cylinder	4	Insulation Class:	H	Control Panel:	Smartgen/Deep sea	Jacket Heater
Fuel	Diesel	Fuel Consumption	7.7 L/h	Protection Class:	IP23	Fuel Tank Volume:	According To Requirements	Oil Heater
Digital Controller	Standard	Displacement	2.3 L					Trailer

DOWNLOAD DATA SHEET

Gensets	Download
Diesel Generator Set Data Sheet	EM-W41 data sheet.pdf
Engine Data Sheet	WEICHAl engine WP2.3D47E201.pdf
Alternator Data Sheet	Alternator VG-184G 41KVA 60HZ.pdf

Powerful 30kW Backup – Engineered for Performance and Low Noise

When the power goes out, you need a generator that delivers reliable electricity without disturbing your home, neighborhood, or workplace. The EMEAN EM-W41 provides a solid 30kW (37.5kVA) of prime power, backed by a 43kW WEICHAI WP2.3D47E201 turbocharged diesel engine. Thanks to its soundproof canopy lined with sound-reducing foam, this is one of the quietest generators in its class—ideal for residential areas, retail environments, and any noise-sensitive location where peace matters as much as power.

Turbocharged WEICHAI Performance – The Heart of a Quiet Generator

At the core of this quietest generators solution lies the WEICHAI WP2.3D47E201, a 4-cylinder, 2.3-liter turbocharged diesel engine. With a mean effective pressure of 1.62 MPa—exceptionally high for this displacement—the engine delivers remarkable torque and thermal efficiency while maintaining a mean piston speed of just 4.6 m/s. This conservative piston speed reduces mechanical wear and vibration, directly contributing to smoother, quieter operation that makes this one of the quietest generators available at this power level.

Engineered for True Quiet Operation

What makes the EM-W41 one of the quietest generators on the market isn‘t just the engine—it’s the complete acoustic engineering package. The soundproof canopy is lined with industrial-grade sound-reducing foam, and an industrial silencer is standard equipment for silent-type generator sets. The all-metal canopy parts are powder-coated for durability, while ventilation components follow modular design principles to minimize noise breakout.

For context, standard diesel generators typically operate between 70 and 100 decibels, while quality silent canopies in this class achieve 68–72 dB(A) at 7 meters. With EMEAN‘s advanced sound-attenuating design, the EM-W41 delivers the kind of neighborhood-friendly noise levels that make it one of the quietest generators you can install for home or business backup.

Fuel Efficiency That Saves You Money

The WP2.3D47E201 consumes just 7.7 L/h at full load, with a fuel consumption rate as low as ≤220g/(kW·h). This efficiency translates directly to lower operating costs and less frequent refueling—especially valuable during extended outages.

The engine‘s oil consumption ratio is just 0.4% of fuel consumption, meaning fewer oil top-ups and lower maintenance costs. With an oil capacity of 5.3L (low) to 8L (high), the EM-W41 is designed for extended service intervals that minimize downtime.

Built to Start in Any Weather

Cold weather reliability sets this generator apart. The WP2.3D47E201 starts reliably down to 5°C without auxiliary starting devices, and with a preheater, it operates confidently down to -15°C. This capability makes the EM-W41 a practical choice for installations across North America and Europe, where winter temperatures can pose significant challenges for diesel equipment.

The electrical system features a 12V negative-ground configuration with a 3kW starter motor and a 35A battery charging alternator. The starting circuit is engineered with a maximum resistance of just 4 mΩ and uses 50 mm² wiring, ensuring ample current delivery to the starter even in the coldest conditions.

Thermal Management – Engineered for Continuous Operation

The WP2.3D47E201’s cooling system is designed for sustained performance even in demanding environments. The engine is rated for operation up to 40°C ambient temperature, with a thermostat that begins opening at 72°C and reaches full opening at 82°C. The closed-loop forced water cooling system maintains optimal thermal balance, with coolant flow of 3.9 m³/h at rated conditions.

Heat balance data reveals the engine’s efficient thermal design: at rated working conditions, the cooling system removes 22.5 kJ/s of heat, while the exhaust carries away 30.1 kJ/s. Total engine heat output is 109.5 kJ/s, with surface radiation accounting for just 5%—a testament to the effective heat dissipation through the cooling and exhaust systems.

FEATURES

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

Quietest Generators Factory

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.

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Quietest Generators Spare Parts

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

Quietest Generators Alternator

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

Quietest Generators Engine

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

We use advanced full welding technology to carefully weld the plates to ensure that the welds are firm and tight without any gaps. We use thickened plates to enhance the overall firmness and stability. The bending arc is extremely natural and smooth without any sense of stiffness. All rounded corners are smooth and flat, with a delicate touch, showing extremely high craftsmanship and exquisite quality.

Quietest Generators Canopy

Accept Customized Different Colors

Quietest Generators Colors

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You Are Currently Here! > Home > GENERATOR LIST > Diesel Generator > Standard Type > WEICHAI 16KW-880KW > 30kW Quiet Diesel Generator – WEICHAI Engine | EMEAN

30kW Quiet Diesel Generator – WEICHAI Engine | EMEAN

MOQ: 1set
Payment: T/T, L/C,Credit Card
Shipment: 30 days for production or 3days for stock
Package Instruction：Foam film wrapping/Export wooden box
Customized Service: Support(Color, Logo, Style...)
Qualification: ISO9001,CE, SASO
Warranty: 1 year / 1200 running hours

Powerful 30kW Backup – Engineered for Performance and Low Noise

Your Trusted Generator Manufacturer!

You Are Currently Here! > Home > GENERATOR LIST > Diesel Generator > Standard Type > WEICHAI 16KW-880KW > 30kW Quiet Diesel Generator – WEICHAI Engine | EMEAN

30kW Quiet Diesel Generator – WEICHAI Engine | EMEAN

MOQ: 1set Payment: T/T, L/C,Credit Card Shipment: 30 days for production or 3days for stock Package Instruction：Foam film wrapping/Export wooden box Customized Service: Support(Color, Logo, Style...) Qualification: ISO9001,CE, SASO Warranty: 1 year / 1200 running hours

Powerful 30kW Backup – Engineered for Performance and Low Noise

Your Trusted Generator Manufacturer!

We take your privacy very seriously

MOQ: 1set
Payment: T/T, L/C,Credit Card
Shipment: 30 days for production or 3days for stock
Package Instruction：Foam film wrapping/Export wooden box
Customized Service: Support(Color, Logo, Style...)
Qualification: ISO9001,CE, SASO
Warranty: 1 year / 1200 running hours