40kW / 50kVA Silent Type Diesel Generator
40kW silent generator for schools, clinics and mid-size retail | Engine: ZH4100ZD | SKU: YMDL-40GF-SILENT
A reliable 40kW silent power source for schools, clinics, and mid-size retail buildings requiring uninterrupted operation during grid outages.
Engineering Data & Specifications
| Metric | Performance Values |
|---|---|
| System SKU | YMDL-40GF-SILENT |
| Rated Power (Standby) | 30 kW / 38 kVA |
| Rated Power (Prime) | 36 kW / 45 kVA |
| Rated Voltage | 400V / 230V (3-Phase 4-Wire) |
| Rated Frequency | 50 Hz |
| Power Factor | 0.8 (Lagging) |
| Engine Model | ZH4100ZD |
| Engine Type | 4-Stroke, Water-Cooled, In-line 4-Cylinder |
| Displacement | 4.15 L |
| Rated Engine Speed | 1500 RPM |
| Alternator | Half-Copper Brushed (Default) |
| Controller | Industrial Diagnostics System (Default) |
| Frame Construction | Acoustic steel canopy |
| IP Rating | IP44 (Requires indoor/sheltered installation) |
| Fuel Tank Capacity | Base tank for ≥ 8 hours at full load |
| Dry Weight | 878 kg |
| Dimensions (L × W × H) | 2250 × 1000 × 1350 mm |
| Starting System | Electric Start (12V / 24V) |
| Cooling System | Water-Cooled with Radiator |
| Certification | ISO 8528 / CE |
Smart Engine Diagnostics & Auto-Shutdown
When running exposed equipment in harsh environments like farms, quarries, or factory floors, manual monitoring isn't practical. Our industrial-grade controller actively watches the engine's vital signs and will physically kill the engine long before an anomaly turns into an overhaul.
Why it matters: For schools and clinics, a generator failure at the wrong moment — during a surgery, an examination, or an emergency — carries real consequences. The Four Protection System ensures the engine shuts down in a controlled manner before any fault escalates, giving operators time to respond rather than dealing with a wrecked engine.
Operating an open base-frame generator requires reliable fail-safes. Whether a stray piece of debris blocks the radiator or a sudden electrical fault occurs downstream on your site, the control module instantly isolates the problem, stopping the engine dead in tracks to preserve its mechanical integrity.
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Lubrication Loss DetectionMonitors oil viscosity and pressure in real-time. If levels drop to dangerous zones, it stalls the engine instantly to avoid scored cylinders.
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Thermal Overload Cut-OffReads radiator output heat. Triggers an immediate halt if the cooling system is compromised, sparing the block from heat deformation.
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Runaway RPM PreventionInstantly throttles and cuts the fuel injector pump if the load suddenly drops and the engine attempts to over-rev.
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Electrical Surge IsolationSafeguards the alternator windings. Detects external short circuits and kills power delivery before the copper burns out.
Core Advantages of the Silent Canopy Build
Weatherproof Steel Enclosure
Constructed with cold-rolled steel and electrostatic powder coating, providing IP44-equivalent weather protection suitable for permanent outdoor installation.
Acoustic Noise Damping
Lined with high-density flame-retardant sound-absorbing foam to significantly reduce engine noise emissions for noise-sensitive areas.
40kW — The Optimal School and Clinic Size
At 40kW, this unit covers lighting, computers, projectors, refrigeration, and selected HVAC simultaneously — making it the right specification for most single-building schools, clinics, and mid-size retail stores that need more than a 30kW unit but don't yet require a 6-cylinder engine.
ZH4100ZD — Proven Platform, Upgraded Output
The ZH4100ZD is a higher-output variant of the same 4100 engine family used in the 30kW unit. Sharing the same parts ecosystem means lower spare parts costs and simpler technician training — a practical advantage for operators running multiple units of different sizes.
Physical Dimensions & Weight
Frequently Asked Questions
What is the difference between the 30kW and 40kW silent generator?
The 40kW unit uses the ZH4100ZD engine, a larger displacement variant of the same 4100 series. It produces 33% more output power, making it suitable for slightly larger loads such as multiple air conditioning units, water pumps, and lighting running simultaneously. The noise level and canopy dimensions are comparable.
Is a 40kW generator enough for a small clinic or medical centre?
For most small clinics with 3–5 consultation rooms, basic surgical lighting, refrigeration for vaccines, and HVAC, a 40kW generator is typically adequate for backup power. Operating theatres requiring stable power quality may benefit from the full-copper brushless alternator upgrade.
What warranty do you provide on the engine?
The ZH4100ZD engine carries the standard manufacturer warranty. As a factory-direct supplier, we provide remote technical support for the warranty period and maintain spare parts inventory for all components including injectors, fuel pumps, and cooling system parts.
Ready to Order or Need a Custom Quote?
Contact our team for bulk pricing, upgrade configurations, shipping estimates, and OEM options.