50kW / 63kVA Silent Type Diesel Generator
63kVA silent generator for hotels, offices and light manufacturing | Engine: R4105ZD | SKU: YMDL-50GFD-SILENT
The 50kW silent generator is a popular choice for small hotels, commercial office buildings, and light manufacturing workshops needing reliable backup power with low noise emissions.
Engineering Data & Specifications
| Metric | Performance Values |
|---|---|
| System SKU | YMDL-50GFD-SILENT |
| Rated Power (Standby) | 30 kW / 38 kVA |
| Rated Power (Prime) | 45 kW / 56 kVA |
| Rated Voltage | 400V / 230V (3-Phase 4-Wire) |
| Rated Frequency | 50 Hz |
| Power Factor | 0.8 (Lagging) |
| Engine Model | R4105ZD |
| 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 | 888 kg |
| Dimensions (L × W × H) | 2450 × 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 hotel and office building operators, generator failures during peak occupancy — affecting HVAC, lifts, and emergency lighting — cause immediate reputational and safety consequences. The Four Protection System ensures any developing fault triggers a controlled shutdown rather than a catastrophic failure, protecting guests, tenants, and equipment simultaneously.
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.
-
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.
-
Thermal Overload Cut-OffReads radiator output heat. Triggers an immediate halt if the cooling system is compromised, sparing the block from heat deformation.
-
Runaway RPM PreventionInstantly throttles and cuts the fuel injector pump if the load suddenly drops and the engine attempts to over-rev.
-
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.
High Torque at Low RPM — HVAC and Motor Ready
The R4105ZD engine delivers strong low-RPM torque, handling loads with high inrush current — HVAC compressors, water pumps, and lift motors — without voltage sag or excessive fuel consumption during motor starts. A critical advantage in hotel and commercial office environments.
Weichai Ricardo Platform — Global Parts Network
Built under Ricardo licence by Weichai, one of China's largest engine manufacturers, the R4105ZD is supported by distributors across Southeast Asia, Africa, and the Middle East. When spare parts are needed, they are available locally — not only from China — significantly reducing downtime.
Physical Dimensions & Weight
Frequently Asked Questions
Is 50kW suitable for a small hotel with 20–30 rooms?
For a small hotel with 20–30 guest rooms, 50kW is generally sufficient to power essential services including lighting, lifts, water pumps, kitchen equipment, and selected HVAC units. For full hotel power including all rooms' air conditioning simultaneously, a 75–100kW unit is recommended.
How is the R4105ZD engine different from the ZH4100 series?
The R4105ZD is manufactured by Weichai (Ricardo licence), a larger and more established engine platform compared to the ZH4100 series. It offers higher torque output, better fuel efficiency at mid-load, and a wider availability of spare parts globally.
What does the electrostatic powder coating on the canopy actually do?
Electrostatic powder coating creates a uniform, chemically-bonded layer on the steel surface that is significantly more durable than standard paint. It provides resistance against rust, UV degradation, salt air corrosion, and physical impact — ensuring the canopy remains structurally sound in coastal, tropical, and high-humidity environments.
Ready to Order or Need a Custom Quote?
Contact our team for bulk pricing, upgrade configurations, shipping estimates, and OEM options.