40kW 50KVA BOBIG CUMMIN S Diesel Generator
Model: 4BTA3.9-G2 - Reliable Power Solution
Our 40kW 50KVA BOBIG CUMMIN S diesel generator (Model: 4BTA3.9-G2) is designed to provide reliable power for a wide range of applications. Backed by the renowned CUMMIN S brand, it offers high-quality performance and long-term durability.
Key Features
Power Performance
Rated Power: With a rated power of 40kW (50KVA), it can meet the power needs of various industrial, commercial, and residential applications. The prime power output is stable and efficient, ensuring continuous operation even under heavy loads.
Frequency: The generator operates at a standard frequency of 50Hz, which is suitable for most electrical equipment in the market.
Engine Excellence
Engine Model: Powered by the 4BTA3.9-G2 CUMMIN S engine, it combines advanced technology and high-quality manufacturing. The engine is known for its high torque, fuel efficiency, and low emissions.
Engine Speed: Running at 1500 RPM, it provides a smooth and consistent power supply while minimizing wear and tear on the engine components.
Technical Specifications
| General Information |
Prime Power |
Standby Power |
| Rated Power (kVA) |
50 |
55 |
| Power Rating (kW) |
40 |
44 |
| Frequency (Hz) |
50 |
| Engine Model |
4BTA3.9-G2 |
| 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 rating.
Dimensions and Weight
| Model |
BC55 (Open Type) |
BC55S (Silent Type) |
| Length (L) mm |
1750 |
2450 |
| Width (W) mm |
770 |
970 |
| Height (H) mm |
1370 |
1250 |
| Tank Capacity (L) |
92 |
92 |
Engine Specifications
| Engine Model & Manufacturer |
4BTA3.9-G2 (Cummins) |
| Number of Cylinders |
4 |
| Cylinder Arrangement |
In-line |
| Cycle |
Four Stroke |
| Aspiration |
Turbocharger & Aftercooler |
| Bore x Stroke |
102 x 120 mm |
| Displacement |
3.9 L |
| Compression Ratio |
18.0:1 |
| Prime Power/Speed |
50 kW/1500 rpm |
| Standby Power/Speed |
56 kW/1500 rpm |
| Fuel System |
BYC A/Electronic Governor |
| Cooling System |
Force Water Cooling Cycle |
| Frequency Droop |
≤ 5% |
| Total Lubrication System Capacity |
10.9 L |
| Coolant Capacity (Engine Only) |
8.3 L |
| Fuel Consumption (100% Load) |
213 g/kWh @1500 rpm |
| Starter Motor |
DC 24V |
| Charge Alternator |
DC 24V |
Alternator Specifications
| Alternator Brand |
BOBIG |
| Alternator Manufacturer |
FUJIAN BOBIG ELECTRIC MACHINERY CO.,LTD |
| Alternator Model |
BW-224D |
| Alternator Rated Power |
40kw/50kva |
| 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% |
Environmental Adaptability
Ambient Temperature: It can operate effectively in an ambient temperature range of +5°C to +40°C.
Altitude: The generator is suitable for use at altitudes of up to 1000m. If your environmental conditions are different, our sales team is ready to assist you with customized solutions.
Compliance Standards
Our generator complies with multiple international and national standards, including ISO 8528-5:2018, GB/T2820.5-2009, and CE. These certifications guarantee the quality, safety, and reliability of the product.
Applications
- Industrial Use: It can be used as a backup power source for factories, ensuring continuous production during power outages.
- Commercial Buildings: Office buildings, shopping malls, and hotels can rely on it to maintain essential services like lighting, elevators, and security systems.
- Residential Areas: Provide reliable power to residential communities, especially in areas with unstable power grids.
Customization & Services
We support customization and OEM services with design drawings.
All units are equipped with original power supplies and come with the standard DSE 6120 controller. (Engine is optional, generator is optional, controller is optional)
Packaging: Plywood case. Delivery: 10-15 working days after receiving customer deposit.
Warranty and Service
BOBIG products have a guarantee for one year or 1000 hours (whichever comes first) from ex-factory date. During the guarantee period, we provide free easy-damageable spare parts caused by our production quality or raw materials. After expiration, we provide cost spare parts maintenance.
Our professional after-sales service team is available 24/7 to provide technical support, maintenance, and repair services.
Why Choose Us
- Brand Reputation: Cummins is a well-known and trusted brand in the diesel generator industry with a long history of producing high-quality products.
- Quality Assurance: Our products are manufactured in strict accordance with international standards, and each generator undergoes rigorous quality inspections before leaving the factory.
- Customization Options: We understand that different customers have different needs. Our team can provide customized solutions based on your specific requirements.
Product Image
Certifications
Frequently Asked Questions
What is your MOQ, payment method, delivery time?
Our MOQ is only 1 set. Payment method usually is 30% T/T as deposit, 70% balance T/T before delivering. Or 100% L/C, trade assurance, PayPal, Western Union. Delivery period normally will be 10-15 working days after receiving customers' deposit.
Which port do you often use when export?
Fuzhou port, Fujian province or as customer request.
Is there any spare parts you can provide along with generators to make the maintenance convenient?
We can provide regular engine's air filter, water filter, fuel filter, oil filter to customers for self-maintenance.
Can you offer parts to us if we need?
Yes, we can offer parts to you at any time, not limited in warranty time. Usually the parts can be sent out during 3-5 days.
For voltage, frequency, tank capacity, phase and color, can you made accord with our requests?
Yes, they can be made accord with your need.
If I want to be your products distributor in our country, what is your distribution policy?
Welcomes everybody join us and distribute products worldwide. We can issue authority certificates and sign agreement with you accordingly.