400kW / 500kVA Silent Type Diesel Generator
500kVA WP12 silent generator for large industrial and infrastructure prime power | Engine: WP12ZLD | SKU: YMDL-400GF-SILENT
A heavy-duty 400kW silent generator for large industrial plants, infrastructure development projects, and power rental companies requiring maximum output in a single weatherproof package.
Engineering Data & Specifications
| Metric | Performance Values |
|---|---|
| System SKU | YMDL-400GF-SILENT |
| Rated Power (Standby) | 30 kW / 38 kVA |
| Rated Power (Prime) | 360 kW / 450 kVA |
| Rated Voltage | 400V / 230V (3-Phase 4-Wire) |
| Rated Frequency | 50 Hz |
| Power Factor | 0.8 (Lagging) |
| Engine Model | WP12ZLD |
| 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 | 3080 kg |
| Dimensions (L × W × H) | 3850 × 1300 × 1910 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: At 400kW, the generator is often the primary power source for an entire facility. In this role, the Four Protection System serves as the facility's last line of automated defence: preventing a mechanical fault from escalating into a full site power loss during critical operations. Every hour of unplanned downtime at this power level translates to measurable production loss.
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.
WP12ZLD at 400kW — Torque Reserve for Heavy Industrial Loads
At 400kW, the WP12ZLD engine operates with significant torque reserve, allowing it to accept large block loads — multiple large motors starting simultaneously — without the voltage sag and frequency instability that engines operating near their limits exhibit. This load acceptance capability is critical for industrial facilities with heavy machinery.
Power Rental and Large Site Deployment
The 400kW range is a core specification for power rental fleets, large construction site power systems, and temporary grid deployments. Our factory-direct pricing, combined with container-shippable packaging and complete documentation, makes the 400kW unit practical for rapid deployment across multiple project sites.
Physical Dimensions & Weight
Frequently Asked Questions
What types of motor loads can a 400kW generator handle?
The 400kW unit with the WP12ZLD engine has substantial torque reserve for starting large motors. It can typically handle motors up to 90kW DOL (direct-on-line) starting, or up to 160kW with soft-starters or VFDs. For applications with multiple large motor starts, we recommend sharing your motor load schedule for confirmation.
Can this unit power a large construction camp or temporary city?
Yes. A well-sized 400kW generator can power a temporary construction camp of 500–800 workers including accommodation blocks, canteen, workshop, water pumps, and site lighting. For larger camps or peak demand, parallel operation of two units is recommended. Our team can assist with load scheduling.
What is the lead time for the 400kW silent generator?
Standard configuration units are typically available within 15–25 working days ex-factory. Custom configurations (alternator upgrades, ATS, special voltage/frequency) may require 25–35 working days. Bulk orders of 3 or more units may qualify for priority scheduling — contact us with your timeline.
Ready to Order or Need a Custom Quote?
Contact our team for bulk pricing, upgrade configurations, shipping estimates, and OEM options.