Our 50kW 63KVA BOBIG YANGDONG diesel generator (Model: YD4EZLD) is designed to provide reliable power for a wide range of applications. Backed by the YANGDONG brand, it offers high-quality performance and long-term durability.
| General Information | ||
|---|---|---|
| Parameter | Prime Power | Standby Power |
| Rated Power (kVA) | 63 | 69 |
| Power Rating (kW) | 50 | 55 |
| Frequency (Hz) | 50 | |
| Engine Model | YD4EZLD | |
| Engine Speed (RPM) | 1500 | |
| Phase | 3 | |
| PF | 0.8 | |
| Control System | Digital | |
| Rated Voltage (V) | 400/230 (customizable) | |
| Fuel Tank Capacity Operating Time | ≥ 8h @ 75% load | |
| Engine Specifications | |
|---|---|
| Engine Model & Manufacturer | YD480D (YANGDONG) |
| No. of Cylinders | 4 |
| Injection Type | Direct |
| Aspiration | Turbocharged |
| Configuration | Vertical |
| Bore | 105 mm |
| Stroke | 118 mm |
| Compression Ratio | 18 |
| Displacement | 4.087 L |
| Dry Engine Weight | 350 kg |
| Dimension (L*W*H) | 892*618*740 mm |
| The Flywheel Shell Interface | SAE3 |
| Governed Engine Speed | 1500 |
| Continuous Power without Fans | 63 |
| Standby Power | 70 |
| Number of Flywheel Teeth | 119 |
| Alternator Specifications | |
|---|---|
| Alternator Brand | BOBIG |
| Alternator Manufacturer | FUJIAN BOBIG ELECTRIC MACHINERY CO.,LTD |
| Alternator Model | BW-224E |
| Alternator Rated Power | 50kw/63kva |
| Rated Voltage (V) | 230v/400v |
| Rated Frequency | 50hz |
| Connecting Type | 3 Phase and 4 W |
| Number of Bearing | 1 |
| Protection Grade | IP23 |
| Altitude | ≤1000m |
| Exciter Type | Brushless, Self-exciting, AVR automatic voltage regulating, 100% Copper |
| Insulation Class | H class |
| Telephone Influence Factor (TIF) | ≤50 |
| THF | ≤2% |
| Voltage Regulation, Steady State | ≤±1% |
| Transient State Voltage | ≤-15%~+20% |
| Dimension and Weight | ||
|---|---|---|
| Model | BY69 (Open type) | BY69S (Silent type) |
| Length (L) mm | 1850 | 2500 |
| Width (W) mm | 730 | 930 |
| Height (H) mm | 1350 | 1220 |
| Tank Capacity (L) | 115 | 115 |
BOBIG products include a one-year or 1000-hour warranty (whichever comes first) from ex-factory date. During the warranty period, we provide free replacement of easy-damageable spare parts caused by production or material quality issues. Our professional after-sales service team is available 24/7 for technical support, maintenance, and repair services.
We are an electrical machinery manufacturer integrating technological research, production, and sales. With a total factory area of 10,000 square meters and 160 employees (including 20 technicians), we specialize in gasoline generators, diesel generators (5-2000kva), gas generators, pumps, and related equipment. Our company holds ISO9000 Quality System Certification and utilizes advanced equipment including CAD systems, auto assembling equipment, and digital testing systems.
MOQ is 1 set. Payment methods include 30% T/T deposit with 70% balance before delivery, or 100% L/C, trade assurance, PayPal, Western Union. Delivery time is 10-15 working days after receiving deposit.
Fuzhou port, Fujian province or as per customer request.
Yes, we provide regular engine filters (air, water, fuel, oil) for self-maintenance.
Yes, we can supply parts at any time, typically shipped within 3-5 days.
Yes, all specifications can be customized according to your requirements.
We welcome distributors worldwide and can provide authority certificates and sign distribution agreements.
