| General information | 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 (According to customer requirements) | |
| Fuel tank capacity operating time | ≥ 8h @ 75% load | |
| PRP Prime power is available for an unlimited number of annual hours in variable load application,in accordance with GB/T2820-97; A 10% overload capability is available for a period of 1 hour within a 12-hour of operation | ||
| ESP The standby power rating is applicable for supplying emergency power for the duration of a utility power interruption.No overload,utility parallel or negotiated outage operation capability is available at this ratin |
| 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 |
| Engine model & manufacturer | YD480D(YANGDONG) |
| Engine Model | YD480D |
| 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 |
| The Flywheel shell interface | SAE3 |
| Governed Engine Speed | 1500 |
| Continuous Power without Fans | 63 |
| Standby Power | 70 |
| Number of Flywheel Teeth | 119 |
| Alternator | |
| Alternator Brand | |
| Alternator Manufacturer | |
| 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 |
| ≤50 | |
| THF | ≤2% |
| Voltage Regulation, Steady State | ≤±1% |
| Transient State Voltage | ≤-15%~+20% |
Shipping fee and delivery date to be negotiated.
1. About Company & Factory
Q
2. About Minimum Order
Q: What is the minimum order quantity (MOQ)? A: Our standard MOQ is 1 set. We are flexible and can discuss volume orders for larger projects to provide better pricing.
Q: What is the minimum order quantity (MOQ)?
A: Our standard MOQ is 1 set. We are flexible and can discuss volume orders for larger projects to provide better pricing.
3. About Delivery Time
Q: What is the lead time after order confirmation? A: The production lead time varies depending on the order quantity and current inventory status. Typically, it ranges from 15 to 30 days for standard models. We will provide a precise timeline upon receiving your order.
Q: What is the lead time after order confirmation?
A: The production lead time varies depending on the order quantity and current inventory status. Typically, it ranges from 15 to 30 days for standard models. We will provide a precise timeline upon receiving your order.
4. About Payment Terms
Q: What payment terms do you offer? A: We commonly accept T/T (Telegraphic Transfer) with 50% deposit paid upfront and the remaining 50% balance paid before shipment. For established business relationships, we can also discuss other terms like L/C at sight.
Q: What payment terms do you offer?
A: We commonly accept T/T (Telegraphic Transfer) with 50% deposit paid upfront and the remaining 50% balance paid before shipment. For established business relationships, we can also discuss other terms like L/C at sight.
5. About Quality Control
Q: Do you perform factory acceptance tests before shipment? A: Absolutely. Every unit undergoes a rigorous full-load test in
Q: Do you perform factory acceptance tests before shipment?
A: Absolutely. Every unit undergoes a rigorous full-load test in




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Step 1
Payment and order readiness
Minimum order: 1 Units
Payment terms, specifications, and order details are confirmed before preparation begins.
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Step 2
Preparation
30 days
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Step 3
Packaging and dispatch
Ocean + Truck via Maersk · Approx. shipping fee: $ 247.52 for 1 piece · Transit time: Est. 17-24 days
Final packing, freight, and delivery dates are confirmed before dispatch.
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