Large industrial facilities, captive power plants, offshore installations, infrastructure projects and heavy-duty utility applications often require generator sets capable of delivering dependable high-output power at medium speed.
One such configuration currently available is a Caterpillar 3608 diesel generator set coupled with a Kato Engineering synchronous AC generator, rated at 3,250 kVA / 2,600 kW, operating at 1,000 RPM and 50 Hz.
This article provides an overview of the Caterpillar 3608 generator configuration, technical specifications, potential applications and important points buyers should consider when sourcing a used high-capacity diesel generator.
Caterpillar 3608 Generator Set Overview
The Caterpillar 3608 is a large-displacement, medium-speed diesel engine designed for demanding power-generation and heavy-duty applications.
The unit covered in this article is a 2011 Caterpillar 3608, configured as an 8-cylinder, 4-stroke, turbocharged and aftercooled diesel engine.
It is coupled with a Kato Engineering synchronous alternator rated at:
- 3,250 kVA
- 2,600 kW
- 6,351 / 11,000 V
- 50 Hz
- 1,000 RPM
- 0.8 Power Factor
- 3 Phase
This makes the package suitable for projects requiring high-output electrical power from a medium-speed diesel generator set.
Caterpillar 3608 Engine Specifications
The available engine carries the following identification and technical data:
| Specification | Details |
|---|---|
| Manufacturer | Caterpillar |
| Model | 3608 |
| Engine Serial No. | 6MC00799 |
| Year | 2011 |
| Configuration | 8-Cylinder |
| Engine Cycle | 4-Stroke |
| Aspiration | Turbocharged & Aftercooled |
| Displacement | 148 Litres |
| Bore | 280 mm |
| Stroke | 300 mm |
| Maximum Rated Speed | 1,000 RPM |
| Condition | Used |
The combination of a 280 mm bore and 300 mm stroke gives the engine a total displacement of approximately 148 litres.
The medium-speed 1,000 RPM configuration is particularly relevant for large power-generation installations where high output and heavy-duty operation are required.
Kato Engineering 3250 kVA Alternator Specifications
The Caterpillar 3608 engine is coupled with a Kato Engineering synchronous AC generator.
The available alternator specifications include:
| Specification | Details |
|---|---|
| Manufacturer | Kato Engineering |
| Type | Synchronous AC Generator |
| Rated Capacity | 3,250 kVA |
| Rated Power | 2,600 kW |
| Voltage | 6,351 / 11,000 V |
| Frequency | 50 Hz |
| Speed | 1,000 RPM |
| Power Factor | 0.8 |
| Phase | 3 Phase |
| Manufacturing Year | 2011 |
| Temperature Rise | 80°C |
| Ambient Temperature | 50°C |
| Enclosure | IP23 |
| Rotation | CW EDE |
The 11,000 V output capability is particularly useful for installations where generated power must be integrated into a medium-voltage electrical distribution system.
Understanding the 3250 kVA and 2600 kW Rating
Generator capacity is commonly expressed in both kVA and kW.
For this Caterpillar 3608 generator set:
Rated Capacity: 3,250 kVA
Power Factor: 0.8
Rated Real Power: 2,600 kW
The relationship can be represented as:
kW = kVA × Power Factor
Therefore:
3,250 kVA × 0.8 = 2,600 kW
This confirms the relationship between the alternator’s stated kVA capacity and its rated usable electrical power.
Why Medium-Speed Diesel Generators Are Used for Large Power Requirements
Medium-speed diesel generator sets are commonly considered for applications requiring substantial electrical output.
Compared with smaller high-speed generator sets, medium-speed engines can offer advantages for large power-generation projects where the operating profile, available installation space and required electrical output justify a larger engine platform.
Potential applications may include:
- Captive power generation
- Industrial plants
- Manufacturing facilities
- Oil & gas installations
- Utility power generation
- Infrastructure projects
- Offshore facilities
- Mining operations
- Emergency power systems
- Large commercial facilities
- Independent power generation projects
The final suitability of any used generator should be evaluated against the site’s required operating duty, voltage, load profile, fuel system, cooling arrangement and electrical distribution configuration.
11 kV Generator Sets for Industrial Power Distribution
One of the important characteristics of this generator package is its 6,351 / 11,000 V alternator rating.
Large industrial facilities frequently use medium-voltage electrical systems because transmitting significant amounts of power at higher voltage can reduce current requirements compared with low-voltage distribution.
A generator rated for 11 kV may therefore be suitable for integration into certain:
- Industrial substations
- Captive power plants
- Factory distribution networks
- Utility projects
- Large processing facilities
- Offshore electrical systems
However, the purchaser should always verify compatibility with the intended switchgear, protection system, transformer arrangement and overall electrical network.
Is the Caterpillar 3608 a Marine or Industrial Generator?
The Caterpillar 3608 engine platform has been associated with demanding marine and power-generation applications.
For this particular generator set, the available specifications include a Kato Engineering synchronous alternator rated at 3,250 kVA, 2,600 kW and 11 kV.
Based on this configuration, the unit is being marketed primarily as a heavy-duty industrial diesel generator set.
However, buyers intending to use the unit for vessel or marine-class applications should independently verify the required classification certificates, vessel regulations, emissions requirements and installation compatibility.
It is important not to determine the original application solely from the Caterpillar 3608 engine model.
What to Check Before Buying a Used Caterpillar 3608 Generator
Purchasing a used high-capacity generator is different from purchasing a small commercial genset.
Buyers should review both the mechanical and electrical aspects of the equipment.
1. Engine Identification
Confirm:
- Engine model
- Serial number
- Year of manufacture
- Nameplate information
- Available service documentation
For this unit, the engine serial number is:
6MC00799
2. Generator Rating
Confirm that the alternator rating matches the intended installation.
Important parameters include:
- kVA
- kW
- Voltage
- Frequency
- RPM
- Power factor
- Phase
3. Operating Voltage
This alternator is rated at:
6,351 / 11,000 V
Buyers should ensure that this voltage is compatible with their site’s electrical distribution system.
4. Frequency
The generator operates at:
50 Hz
This is an important consideration when sourcing equipment for countries or facilities using different power standards.
5. Operating Speed
The generator set operates at:
1,000 RPM
Both the engine and alternator configuration must correspond correctly for the required 50 Hz electrical output.
6. Physical Inspection
Whenever possible, buyers should arrange a physical or third-party inspection.
Inspection can help verify:
- Equipment condition
- Nameplates
- Major components
- Signs of corrosion
- Leakage
- Mechanical damage
- Completeness
- Control equipment
- Electrical termination condition
7. Available Documentation
Buyers should request any available:
- Technical manuals
- Maintenance records
- Test reports
- Nameplate photographs
- Wiring information
- Dimensional information
- Previous operating details
Documentation availability may vary with used equipment.
Benefits of Buying a Used Large-Capacity Generator
For suitable projects, purchasing a used generator can provide an alternative to ordering a new large-capacity generator set.
Potential advantages may include:
- Faster equipment availability
- Lower capital expenditure compared with new equipment
- Availability of established heavy-duty engine platforms
- Opportunity to inspect the actual equipment before purchase
- Suitability for replacement or expansion projects
The commercial advantage depends heavily on equipment condition, required refurbishment, transportation cost and the buyer’s project requirements.
Caterpillar 3608 Generator Available for Sale
Abhi Marine Pvt. Ltd. currently offers:
1 x Caterpillar 3608 Diesel Generator Set
Main Specifications
- Caterpillar 3608 engine
- Engine Serial No.: 6MC00799
- Year: 2011
- 8-Cylinder
- 4-Stroke
- Turbocharged & Aftercooled
- 148-Litre displacement
- 1,000 RPM
- Kato Engineering alternator
- 3,250 kVA
- 2,600 kW
- 11,000 V
- 50 Hz
- 0.8 Power Factor
- 3 Phase
- Used condition
Customers can request available photographs, technical information, identification plate details and inspection arrangements.
Why Source Marine and Industrial Equipment from Abhi Marine?
Abhi Marine Pvt. Ltd. supplies marine and industrial equipment to customers worldwide, including:
- Diesel engines
- Generator sets
- Marine engines
- Alternators
- Turbochargers
- Engine blocks
- Crankshafts
- Cylinder heads
- Connecting rods
- Cylinder liners
- Fuel pumps
- Engine spare parts
- Related industrial and marine machinery
Our stock includes equipment and spare parts from established manufacturers used across marine, industrial and power-generation applications.
For used equipment, we aim to provide available identification data, photographs and technical information so buyers can evaluate the unit before purchase.
Frequently Asked Questions About the Caterpillar 3608 Generator
What is the capacity of this Caterpillar 3608 generator?
The generator is rated at 3,250 kVA / 2,600 kW at a power factor of 0.8.
What alternator is fitted to the Caterpillar 3608?
The generator set is coupled with a Kato Engineering synchronous AC generator.
What voltage does the generator produce?
The alternator rating indicates 6,351 / 11,000 V.
What frequency does the generator operate at?
The generator is rated for 50 Hz operation.
What is the operating speed?
The generator set operates at 1,000 RPM.
How many cylinders does the Caterpillar 3608 have?
The Caterpillar 3608 is an 8-cylinder engine.
What is the engine displacement?
The engine displacement is 148 litres.
What is the Caterpillar 3608 serial number?
The available engine carries serial number 6MC00799.
What year was this generator manufactured?
The generator package information indicates 2011.
What is the condition of the generator?
The offered generator set is in used condition.
How many units are available?
1 unit is available under this offer.
Looking for a Caterpillar 3608 Generator?
If you are looking for a Caterpillar 3608 generator for sale, 3250 kVA diesel generator, 2600 kW industrial generator or 11 kV generator set, contact Abhi Marine Pvt. Ltd. with your technical and commercial requirements.
For faster evaluation, please provide:
- Required kW / kVA
- Required voltage
- Frequency
- Intended application
- Delivery destination
- Required operating duty
Our team can provide available photographs, technical details, current availability, inspection information and commercial quotation for the Caterpillar 3608 generator set.
Abhi Marine Pvt. Ltd. – Marine & Industrial Engines, Generator Sets and Spare Parts Supplier

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