Cummins 6BTA5.9-G2 100KW 125KVA Generator
Cummins 6BTA5.9-G2 diesel generator set of 5.9L delivering 125 kVA at 1500 rpm used for prime and standby power on site.
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What This Engine Is Built For
Cummins 6BTA5.9-G2: a 6-cylinder diesel generator set displacing 5.9L on a 102×120 mm bore and stroke, supplied complete by MEP Power. It is rated at 125 kVA at 1500 rpm. The engine is turbocharged and water cooled. Typical duty is prime and standby power on site.
Key Benefits
- Delivers 125 kVA at 1500 rpm from 5.9L as a factory-rated assembly.
- Turbocharged induction with water cooling keeps charge temperature under control in continuous duty.
- Published fuel consumption of 208 L/hr makes running cost predictable.
- Output 400/230V at 50HZ as supplied, matched at the factory.
- Backed by a written warranty of one year or 1000 hours, whichever comes first
- Genuine and OEM options quoted side by side so the budget decides, not the catalogue
Application Scenarios
- Factory standby power
- Data centre and hospital backup
- Off-grid site and mine power
- Rental power package
Who It Is For
- Factories and processing plants needing standby power for the whole site
- Hospitals, data centres and office buildings with critical loads
- Construction sites and mines working off-grid
- Contractors supplying rental power packages
Problems It Solves
- An outage costs more per hour than the set itself.
- Sets assembled from mismatched parts never reach their rated output.
- Remote sites cannot wait weeks for a spare part to be identified.
- Identifying the right 6BTA5.9-G2 variant from a serial number takes experience; MEP Power checks the configuration before quoting.
Specification As Published
Values below are the published data for this unit. Where a figure is not listed it was not stated by the source data sheet; ask and we will confirm before you order.
| Generator Set Model | HY-G100 |
| Prime Power | 100kw/125kva |
| Standby Power | 110kw/137.5kva |
| Output Voltage | 400/230V |
| Frequency | 50HZ |
| Rated Current | 162A |
| Rated Speed | 1500 |
| Power Factor | COSΦ=0.8(lagging) |
| Fuel Consumption | 208 L/hr |
| Battery Rated Capacity | 120AH 2PCS |
| Engine Model | 6BTA5.9-G2 Cylinder NO. 6 Cylinders in-line |
| Bore x Stroke | 102×120 |
| Displacement | 5.9L |
| Exhaust Temperature | 540 |
| Lubricating Oil Capacity | 16.3 L Liquid cooling capacity(L) 28.7 L |
| Oil Consumption | 0.3 g/kW.h |
| Aspiration | Turbocharged |
| Starting System | Electrical start |
| Cooling System | water cooling |
| Governor Type | Electrical Control |
| Brand | HY |
| Model | HY-G100 |
| Rated Capacity | 100kw/125kva |
| Enclosure Rating | IP22 |
| Insulation Class | H |
| Connection Type | 3PH star, 3PH-DELTA |
| Number of Cylinders | 6 cylinders |
Technical Features
- Displacement: 5.9L
- Bore and stroke: 102×120
- Aspiration: Turbocharged
- Governor: Electrical Control
- Starting system: Electrical start
Quality Control
- Every engine is inspected by the MEP Power inspection team before it leaves the warehouse
- Engine, configuration and serial numbers are recorded and photographed for the buyer
- Genuine and OEM units are quoted separately so the buyer knows exactly what is supplied
- Warranty on genuine and OEM new engines and generator sets is one year or 1000 hours, whichever comes first; parts and repair labour are covered for quality faults inside that period.
Use and Installation Guide
- Quote the model 6BTA5.9-G2 when ordering so the correct variant is supplied.
- Confirm voltage, frequency and connection type before shipment
- Allow for ventilation and exhaust routing in the plant room
- Exercise standby sets under load at regular intervals
- Keep the warranty terms in mind: one year or 1000 hours, whichever comes first.
Customisation Options
- OEM and ODM builds, including your logo and company name on the unit
- Cummins engine customisation and modification to your requirement
- Mining and special explosion-proof builds
- Genuine or OEM parts specified on the quotation
How It Compares
| Compared with | What to consider |
|---|---|
| A rebuilt or used engine of the same rating | A rebuilt unit may show the same 125 kVA on paper, but its running history is unknown and the warranty rarely covers the whole engine. |
| A larger engine in the same 6BTA5.9 range | Moving up a frame size adds weight, envelope and fuel burn; specify the next size up only if the duty cycle really needs the headroom. |
| A non-Cummins engine of similar output | Parts and service for Cummins families are available in most markets, which matters more over ten years than the purchase price on day one. |
6BTA5.9-G2 Questions
Is this 6BTA5.9-G2 a genuine Cummins engine
What power does the 6BTA5.9-G2 produce
Can the set be supplied for my voltage and frequency
What warranty comes with the engine
How do I confirm this is the right variant for my machine
How is the engine shipped and what payment terms apply
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Quote The 6BTA5.9-G2
Send your serial number or nameplate photograph and we will confirm the configuration, then price genuine and OEM options side by side.



