55kVA Cummins Diesel Generator
Standards: 2006/42/EC Machinery safety, 2006/95/EC Low voltage, EN 60204-1 : 2006+A1 : 2009, EN ISO 12100 : 2010, EN ISO 8528-13:2016, EN ISO 13849-1 : 2015, EN 60204-1 : 2018
PRP: Prime power is available for an unlimited number of annual operating hours in variable load applications, in accordance with ISO 8528-1.
ESP: The standby power rating is applicable for supplying emergency power in variable load applications in accordance with ISO 8528-1. Overload is not allowed.
Conditions: According to the standard, the nominal power assigned by the genset is given for 25°C air inlet temperature, of a barometric pressure of 100 kPA (100 m A.S.L), and 30 % relative humidity.
GENERATOR SPECIFICATION
| ITEMS | PRP | ESP |
|---|---|---|
| Power | 50 kVA | 55 kVA |
| Power | 40 kW | 44 kW |
| Frequency / Phase / Power factor | 50 Hz / 3P / PF 0.8 | |
| Standard voltage | 400/230 V | |
| Available voltage | 380/220 V · 415/240 V |
GENERAL INSTALLATION
| ITEMS | OPEN | SILENT |
|---|---|---|
| Dimension (L×W×H) (mm) | 1800×935×1485 | 2518×1054×1250 |
| Weight (kg) | 950 | 1170 |
| Fuel tank (L) | 195 | 100 |
| Sound pressure level @75% load & 1m dB(A) | TBA | TBA |
| Sound pressure level @75% load & 7m dB(A) | TBA | TBA |
NOTE: Weights and dimensions based on standard products. According to 2000/14/CE, sound data is provided at 7m for 75% prime power. For actual installation, please contact the manufacturer.
PERFORMANCE DATA
| Specification | Details |
|---|---|
| Engine brand | CUMMINS |
| Engine model | 4BTA3.9-G2 |
| Fuel | Diesel |
| Aspiration | Turbocharger & Aftercooler |
| Cooling | Water-cooled |
| Governor | Electronic |
| Cylinder arrangement | 4L |
| Application | Prime & Standby |
Fuel consumption
| Load | L/H |
|---|---|
| 100% ESP | 14.1 |
| 100% PRP | 12.9 |
| 75% PRP | 10.0 |
| 50% PRP | 7.0 |
ENGINE SPECIFICATION
BASIC DATA
| Item | Details |
|---|---|
| Engine brand | CUMMINS |
| Engine model | 4BTA3.9-G2 |
| Displacement | 3.9 L |
| No. of cyl / arrangement | 4L |
| Bore × stroke | 102 × 120 mm |
| Compression ratio | 17.3 : 1 |
| Engine speed | 1500 rpm |
| Engine type | 4-stroke diesel |
EXHAUST SYSTEM
| Item | Details |
|---|---|
| Exhaust stack gas temperature (max.) | 548°C |
| Exhaust gas flow rate (max.) | 134 L/s |
| Exhaust system backpressure (maximum allowable) | 10 kPa |
FUEL SYSTEM
| Item | Details |
|---|---|
| Maximum restriction at lift pump | 13.6 kPa |
| Max. fuel flow | 30 L/h |
COOLING SYSTEM
| Item | Details |
|---|---|
| Radiator air flow | 126 m³/min |
| Total oil capacity | 10.9 L |
| Total coolant capacity | 21.9 L |
ELECTRICAL SYSTEM
| Item | Details |
|---|---|
| Starter motor rated voltage | DC24V |
| Start battery | 2×60Ah (580 CCA) |
| Battery charging alternator | DC24V / 40A |
INLET AIR
| Item | Details |
|---|---|
| Air filter | Dry type |
| Max. combustion air intake restriction | 6.2 kPa |
| Combustion air inlet flow rate | 52 L/s |
| Max. allowable combustion air inlet temp | 50°C |
ALTERNATOR SPECIFICATION
| BASIC DATA | BASIC DATA | ||
|---|---|---|---|
| Insulation & temperature rise | Class H/H | Type | Brushless |
| Excitation type | Self-excited | No. of bearings | Single bearing |
| Winding leads | 12 | Coupling system | Flexible disc |
| Winding connections (standard) | Star | Maximum over speed | 2250 RPM |
| Winding pitch | Two thirds | Coating type | Vacuum impregnation |
| Number of phase | Three phase | IP rating | IP23 |
CONTROL SYSTEM
Key features
GENSET VERSION
STANDARD FEATURES
- Diesel engine, 50 degrees radiator, brushless alternator
- Intelligent controller
- Output circuit breaker (up to 1250A)
- Maintenance-free start battery, battery charge, battery switch
- Steel industrial silencer, exhaust bellows and elbows
- Steel chassis and anti-vibration shock absorbers
- Lifting and moving structure, expansion of oil and coolant discharge
- Moving parts protection, hot parts protection
- Special toolbox, delivery attached documentation
OPTIONAL FEATURES
ENGINE
- Water jacket preheater
- Oil Preheater, oil level maintainer, oil manual pump
- Heavy air filtration
- Residential silencer
- Remote radiator, heat exchanger
ALTERNATOR
- PMG/AREP excitation system
- Anti-condensation heater
- Winding/bearing RTD
- Double bearing structure
- IP44 protection class
CONTROL SYSTEM
- Synchronizing panel, remote control panel
- RS232/485, 4G & GPS wireless, ethernet communication card
- Additional digital/analog input/output
- Monitoring software, mobile APP
- Ni-Cad batteries
GENERATING SET
- External fuel tank, automatic fuel feeding
- ATS/output /combining/distribution cabinet
- Load test cabinet
- Mobile trailer
- Customized design
55 kVA Cummins Diesel Generator – CU55D5
Product Overview
The 55 kVA Cummins Diesel Generator (CU55D5) is a reliable and fuel-efficient solution for both prime and standby power. Built with the trusted Cummins 4BTA3.9-G2 engine, this generator is engineered to deliver consistent performance in Bangladesh’s demanding industrial and commercial environments.
Designed with a turbocharged and aftercooled engine, the CU55D5 provides excellent durability, reduced fuel consumption, and optimal performance even during extended operation. Available in both Open type and Silent canopy designs, it is suitable for factories, hospitals, commercial complexes, and real estate projects where stable and uninterrupted power supply is critical.
Key Features & Benefits
- Strong Power Output – Provides 50 kVA Prime (PRP) and 55 kVA Standby (ESP) for versatile usage.
- Efficient Performance – Low fuel consumption: only 7.0 L/h at 50% load and 10.0 L/h at 75% PRP.
- Durable Engine – Powered by Cummins 4BTA3.9-G2, turbocharged and aftercooled, built for long service life.
- Compact Installation – Open type starts at 1800×935×1485 mm, saving floor space.
- Silent Operation – Optional canopy reduces noise, perfect for hospitals, schools, and offices.
- International Standards – Fully compliant with ISO 8528-1, CE, and EN safety standards.
- Nationwide Support – JRC Powertech offers supply, delivery, installation, and 24/7 service across Bangladesh.
Why Choose Cummins 55 kVA from JRC Powertech?
Purchasing a generator is about more than just the machine — it’s about long-term reliability and service. Here’s why JRC is the preferred partner in Bangladesh:
- Genuine Cummins Generators – Every unit is authentic and certified.
- End-to-End Service – From delivery to commissioning, JRC ensures a seamless experience.
- Quick Service Network – Dedicated support teams in Dhaka, Chattogram, Narayanganj, Gazipur, and Khulna.
- Spare Parts Availability – Readily available genuine Cummins parts keep your generator running smoothly.
- Proven Expertise – Over two decades of experience with 200+ successful power projects nationwide.
Typical Applications
The Cummins CU55D5 is widely used in sectors that require reliable mid-range power:
- Hospitals & Healthcare Facilities – Ensures life-saving equipment remains powered during outages.
- Textile & Manufacturing Plants – Keeps production lines running without interruption.
- Commercial Complexes & Shopping Malls – Supports lifts, HVAC, and lighting systems.
- Educational Institutions – Stable power for classrooms, laboratories, and auditoriums.
- Construction Sites & Real Estate Projects – Provides robust temporary power during development.
- Telecom & Data Centers – Maintains connectivity and IT operations without disruption.
Availability in Bangladesh
JRC Powertech delivers and installs the 55 kVA Cummins Diesel Generator across Bangladesh. Whether in Dhaka, Gazipur, Narayanganj, Chattogram, Khulna, or other industrial hubs, JRC ensures on-time delivery, professional installation, and after-sales service to keep your operations running smoothly.
FAQ
What is the rated power of the Cummins CU55D5?
It delivers 50 kVA Prime (PRP) for continuous use and 55 kVA Standby (ESP) for emergency backup.
How much fuel does it consume?
At 100% PRP, it uses 12.9 L/h, while at 50% PRP it consumes only 7.0 L/h, making it highly fuel-efficient.
Is it available in a Silent version?
Yes. The Silent canopy model significantly reduces noise, suitable for hospitals, schools, and residential installations.
Can this generator run continuously?
Yes. In Prime Power mode, it is rated for unlimited annual operating hours under ISO 8528-1.
What after-sales support does JRC provide?
JRC offers full installation, testing, commissioning, and 24/7 after-sales support, with genuine Cummins spare parts available across Bangladesh.
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