Product Overview
4 Cylinder Soundproof Diesel Engine is a water-cooled, four-stroke, direct injection diesel engine with an in-line 4-cylinder structure. It features forced water cooling, electric start, and soundproof enclosure options for stable power generation, industrial equipment, construction machinery, agricultural applications, and standby power systems.
Key Specifications
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Model |
ZH490G |
ZH4102G |
ZH4102ZG |
R4105ZP |
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Type |
Water - cooled, In - line, Four - stroke, Direct Injection |
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Rated Power(kw/r/min) |
40/2400 |
42/2000 |
55/2000 |
60/2000 |
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Air Intake Method |
Naturally Aspirated |
Turbocharging |
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Number of Cylinders |
4 |
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Bore*Stroke (mm) |
90*100 |
102*115 |
105*125 |
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Compression Ratio |
18:01 |
17:01 |
16:01 |
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Firing Order |
1-3-4-2 |
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Fuel Consumption Rate (g/kw.h) |
≤251.2 |
≤251.6 |
≤243 |
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Total displacement(L) |
2.544 |
3.76 |
4.33 |
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Cooling Method |
Forced water cooling |
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Crankshaft Rotation Direction |
Counterclockwise (when facing the output end) |
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Lubrication Method |
Pressure and Splash Combined Type |
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Starting Method |
Electric Start |
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Net Mass (kg) |
230 |
390 |
470 |
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Product Highlights
Four-cylinder inline structure provides stable power output and reduced vibration during continuous operation.
Forced water cooling system helps maintain consistent operating temperature under heavy-duty workloads.
Direct injection fuel system improves combustion efficiency and supports lower fuel consumption.
Soundproof enclosure design reduces operating noise, making the engine suitable for noise-sensitive environments.
Electric start system enables fast and reliable engine startup with minimal operator effort.
Naturally aspirated or turbocharged options allow users to match engine performance with different application requirements.n
Typical Applications
Construction Equipment – Powers concrete mixers, pumps, compressors, and other construction machinery.
Agricultural Machinery – Used in irrigation systems, threshers, grain processing equipment, and farm power units.
Industrial Equipment – Drives pumps, hydraulic power units, and stationary industrial machines.
Mining Operations – Supplies reliable mechanical power for auxiliary mining equipment.
Municipal Projects – Supports emergency power systems and public infrastructure equipment.
Telecommunication Base Stations – Delivers dependable backup power during grid outages.
OEM & Customization
|
Customization Item |
Description |
|
Engine Models |
Multiple power ratings from different 4-cylinder engine platforms. |
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Air Intake System |
Naturally aspirated or turbocharged versions available. |
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Soundproof Canopy |
Standard or customized noise reduction enclosure. |
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Alternator Options |
Stamford, Leroy Somer, Marathon, Mecc Alte, or Chinese brands. |
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Voltage & Frequency |
220V–690V, 50Hz or 60Hz configurations. |
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Control System |
Manual, automatic, ATS-compatible, or remote monitoring controllers. |
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Fuel Tank Capacity |
Customized operating time according to project requirements. |
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Cooling System |
Standard radiator or customized cooling solutions for different climates. |
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Color & Logo |
OEM painting, logo labeling, and nameplate customization. |
Manufacturing Advantages
• CNC machining ensures high dimensional accuracy of critical engine components.
• Precision assembly follows standardized production procedures for consistent quality.
• Automated testing equipment verifies engine performance before shipment.
• Traceable production records support quality management throughout manufacturing.
• Batch production capability enables stable supply for wholesale and OEM orders.
Quality Control
• Incoming raw material inspection
• Component dimensional inspection
• Cylinder block pressure testing
• Crankshaft dynamic balance inspection
• Fuel injection pump calibration
• Injector spray pattern testing
• Cooling system leakage test
• Lubrication system pressure test
• Electrical starting system inspection
• Noise level verification (soundproof models)
• Rated load performance test
• Continuous running test
• Fuel consumption verification
• Final appearance inspection
• Packing inspection before shipment
FAQ
Q: Can the generator's control system integrate into existing building management networks?
A: Yes, the controller supports Modbus RTU protocol for remote monitoring.
Q: What specific engine oil viscosity grade is required for standard operations?
A: For temperate climates, high-quality SAE 15W-40 diesel engine oil is recommended for daily maintenance.
Q: Does the factory supply a complete schematics package with the shipment?
A: Every shipped unit includes detailed electrical wiring diagrams and structural dimensions in English.
Q: How does the enclosure prevent rain ingress during high-wind outdoor operations?
A: The canopy utilizes specialized angled air-intake louvers and weatherproof rubber seals around doors.
Q: Is the fuel tank equipped with a low-level automatic warning system?
A: Yes, the integrated fuel level sensor sends electronic alerts to the panel before shutdown.
Q: Can the factory supply matching spare parts for the first scheduled service?
A: Standard maintenance kits, including fuel and oil filters, can be ordered alongside the unit.
Q: Does the factory provide customized technical documentation for OEM branding?
A: Customized manuals and unbranded rating plates are available upon factory engineering review.
