D125 GC
D125 GC Generator Set
D125 GC C7.1 (60 HZ) 125 kW Diesel Generator models' range of accessories, emissions level & other options allow customers to customize for their needs.
DESCRIPTION
Producing reliable power of 125 ekW at 60 Hz, our D125 GC diesel generator sets designed to ISO 8528-5 transient response requirements. All D125 GC generator sets are available with a choice of emissions levels.Caterpillar is leading the power generation marketplace with Power Solutions engineered to deliver unmatched flexibility, expandability, reliability, and cost-effectiveness.Electric PowerCat Generator Set Package
- Cat generator set packages have been fully prototype tested
- Accepts 100% block load in one step and meets NFPA 110 loading requirements
- Conform to ISO 8528-5 steady state and transient response requirements
Cat Diesel Engine
- Reliable, rugged, durable design
- Field-proven in thousands of applications worldwide
- Four-stroke-cycle diesel engine combines consistent performance and excellent fuel economy with minimum weight
M-Frame Alternator
- Superior motor starting capability minimizes need for oversizing alternator
- Designed to match performance and output characteristics of Cat diesel engines
- Robust Class H insulation
GCCP 1.2 Control Panel
- User-friendly interface and navigation
- Scalable system to meet a wide range of installation requirement
- Expansion modules and site-specific programming for specific customer requirements
Cooling System
- Designed to operate in standard ambient temperatures up to 55°C (131°F)
- Contact your Cat Dealer for specific ambient and altitude capabilities
Certifications
- UL 2200 Listed
- ULC Certification Available
One Safe Source
- Components used in the generator set are selected based on seamless design integration to provide the optimum performance
- The generator set is fully assembled at a Caterpillar facility following our quality guidelines
- Each generator set package is tested before leaving the Caterpillar facility
- Cat product support, including dealer service, parts and warranty covers the entire Cat power system
Worldwide Product Support
- Cat dealers have over 1,800 dealer branch stores operating in 200 countries
- Your local Cat dealer provides extensive post-sale support, including maintenance and repair agreements
- Standard Equipment
- Optional Equipment
- Specs
- Docs
Standard Equipment
- Air Inlet System
- Air cleaner; light duty with disposable element
- Control Panels
- GCCP 1.2 Control panel
- Cooling System
- Fan drive, battery charging alternator drive
- Coolant drain line with valves
- Caterpillar extended life coolant
- Radiator and cooling fan with guards
- Generator and Generator Attachments
- Segregated low voltage (AC/DC) wiring panel
- IP23 Protection
- Circuit breaker, IEC, 3 pole, mounted in tower panel
- Voltage regulator (single phase sensing)
- Tower panel, IP22, bottom cable entry
- 12 Leads
- Exhaust System
- Stub pipe, gaskets, raincap and SAE exhaust flange for customer use - shipped loose
- Fuel System
- Base, formed steel with single wall integral 24-hour fuel tank
- Standard open set fuel tank/base supplied
- Lube System
- Oil drain line with valve
- Lubricating oil
- Mounting System
- Termination points for coolant and lube oil drain lines
- Includes lifting provision and drag points
- Captive linear vibration isolators between base and engine-generator
- Starting / Charging System
- 24V battery with rack and cables
- Governing System
- Mechanical and electrical governing system - model dependent
- General
- Engine and alternator pre-paint, Caterpillar yellow
Optional Equipment
- Alternator System
- Alternator removal
- Optional LC Frame alternator
- R Frame auxiliary winding: R2273L4 SE aux alt 07, aux alt 08 and aux alt 10
- Permanent magnet excitation (PMG)
- Anti-condensation heater
- 3 Phase sensing
- Quatrature droop king
- Circuit breakers
- Padlockable breaker device
- 4 Pole 250A, 400A and 630A Circuit breakers
- Control Panel Options
- Battery charger
- Control panel heater
- Earth fault (2 wire only)
- Volt free contacts
- Emergency stop with key
- Speed adjust potentiometer
- Earth leakage (2 wire only)
- Overload shutdown via breaker
- Speed adjust contacts
- Panel mounted audible alarm
- Control System
- Volt free contacts for generator set running
- Volt free contacts for common alarm
- Static battery charger
- GCCP 1.2
- Cooling System
- Coolant heater
- Low coolant temperature
- Low coolant level shutdown
- Enclosures
- Sound attenuated level 2 enclosure
- Mounting Options
- Silencer installation kit
- Residential silencer
- Battery removal
- Industrial silencer removal
- Electronic governor
- Fuel Systems
- Low fuel level shutdown
- Open set narrow tankbase
- Skidbase for CALG enclosure sets
- DEFRA bunded fuel tank
- Low fuel level alarm
- Compact skidbase for open sets
- High fuel level alarm
- Test Reports
- PGS Test report @ 0.8 power factor
- PGS Test report @ 1.0 power factor
- General
- Stone guards/radiator trans flange
- Global Certifications
- Certification for CIS
- Power Termination
- Circuit breaker, IEC, 4 pole
- Accessories / Miscellaneous
- Packing case - compact set
- Packing case - canopied set
Specs
Overview
Long Name:
D125 GC Generator Set
Name:
D125 GC
Brand:
Cat
Status:
Current
Generator Set Specifications
Maximum Rating
125 ekW
Minimum Rating
125 ekW
Emissions/Fuel Strategy
U.S. EPA Cert., Tier 3
Voltage
208 to 600 Volts
Frequency
60 Hz
Speed
1800 rpm
Duty Cycle
Standby
Engine Specifications
Engine Model
C7.1 I-6, 4-Cycle Diesel
Bore
4.1 in / 105 mm
Stroke
5.3 in / 135 mm
Displacement
428 in³ / 7.01 l
Compression Ratio
16.7:1
Aspiration
Turbocharged, Air to Air Aftercooled
Fuel System
Electronic, Common Rail
Governor Type
ADEM™A4
Generator Set Dimensions
Length - Maximum
103.7 in / 2634 mm
Width - Maximum
51.2 in / 1300 mm
Height - Maximum
52.2 in / 1402 mm
Dry Weight - Genset (maximum)
3099 lb / 1406 kg
SEE HOW D125 GC COMPARES AGAINST FREQUENTLY COMPARED PRODUCTS.
Diesel Generator Sets
D125 GC
- Brand
- Cat
- Status
- Current
- Maximum Rating
- 125 ekW
- Minimum Rating
- 125 ekW
- Emissions/Fuel Strategy
- U.S. EPA Cert., Tier 3
- Voltage
- 208 to 600 Volts
- Frequency
- 60 Hz
- Speed
- 1800 rpm
- Duty Cycle
- Standby
- Engine Model
- C7.1 I-6, 4-Cycle Diesel
- Bore
- 4.1 in / 105 mm
- Stroke
- 5.3 in / 135 mm
- Displacement
- 428 in³ / 7.01 l
- Compression Ratio
- 16.7:1
- Aspiration
- Turbocharged, Air to Air Aftercooled
- Fuel System
- Electronic, Common Rail
- Governor Type
- ADEM™A4
- Length - Maximum
- 103.7 in / 2634 mm
- Width - Maximum
- 51.2 in / 1300 mm
- Height - Maximum
- 52.2 in / 1402 mm
- Dry Weight - Genset (maximum)
- 3099 lb / 1406 kg
Selected Model
Diesel Generator Sets
D1000 GC
- Brand
- Cat
- Status
- Current
- Maximum Rating
- 1000 ekW
- Minimum Rating
- 1000 ekW
- Emissions/Fuel Strategy
- U.S. EPA Tier 2
- Voltage
- 380 - 480 Volts
- Frequency
- 60 Hz
- Speed
- 1800 rpm
- Duty Cycle
- Standby
- Engine Model
- C32 TA, V-12, 4-Stroke Water-Cooled Diesel
- Bore
- 5.71 in / 145 mm
- Stroke
- 6.38 in / 162 mm
- Displacement
- 1958.86 in³ / 32.1 l
- Compression Ratio
- 15.0:1
- Aspiration
- TA
- Fuel System
- EUI
- Governor Type
- Adem™A4
- Length - Maximum
- 164.3 in / 4175 mm
- Width - Maximum
- 73.1 in / 1856 mm
- Height - Maximum
- 87.3 in / 2217.5 mm
- Dry Weight - Genset (maximum)
- 14669 lb / 6654 kg
Diesel Generator Sets
D1250 GC
- Brand
- Cat
- Status
- Current
- Maximum Rating
- 1250 ekW
- Minimum Rating
- 1250 ekW
- Emissions/Fuel Strategy
- U.S. EPA Tier 2
- Voltage
- 380 - 480 Volts
- Frequency
- 60 Hz
- Speed
- 1800 rpm
- Duty Cycle
- Standby
- Engine Model
- C32 TA, V-12, 4-Stroke Water-Cooled Diesel
- Bore
- 5.71 in / 145 mm
- Stroke
- 6.38 in / 162 mm
- Displacement
- 1958.86 in³ / 32.1 l
- Compression Ratio
- 15.0:1
- Aspiration
- TA
- Fuel System
- EUI
- Governor Type
- Adem™A4
- Length - Maximum
- 164.3 in / 4175 mm
- Width - Maximum
- 82.3 in / 2090.5 mm
- Height - Maximum
- 89.3 in / 2268 mm
- Dry Weight - Genset (maximum)
- 15776 lb / 7156 kg