Diesel generator sets
D250 GC
Producing reliable power of 250 ekW at 60 Hz, our D250 GC diesel generator set are designed to ISO 8528-5 transient response requirements. The D250 GC generator sets are engineered to EPA Stationary Emergency (Tier 3) emissions standards.
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Cat 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
- Expansion modules and site-specific programming for specific customer requirements
Cooling System
- Designed to operate in standard ambient temperatures up to104°F (40°C)
- 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
Saves up to 28% Installed Space
Requires less space for installation; leaves more room for your on-going operations
Weighs up to 23% Less
Easier handling; less structural reinforcement required to support genset weight
Standard 105°C Alternator Temperature Rise
Meets most all specifications; ensures long alternator life
| Standby Rating | 250 ekW |
|---|---|
| Frequency | 60 Hz |
| Emissions/Fuel Strategy | U.S. EPA Tier 3 Certified |
| Voltage | 208 to 600 Volts |
| Speed | 1800 rpm |
| Duty Cycle | Standby |
| Engine Model | Cat® C9 In-line 6, 4-cycle Diesel |
|---|---|
| Bore | 4.4 in |
| Stroke | 5.9 in |
| Displacement | 538 in³ |
| Compression Ratio | 16.3:1 |
| Aspiration | Turbocharged Air-to-Air Aftercooled |
| Fuel System | HEUI |
| Governor Type | Adem™A4 |
| Length - Maximum | 155.5 in |
|---|---|
| Width - Minimum | 56.3 in |
| Width - Maximum | 56.7 in |
| Height - Minimum | 67.2 in |
| Height - Maximum | 86.7 in |
| Dry Weight - Genset (minimum) | 5324.2 lb |
| Dry Weight - Genset (maximum) | 6735.1 lb |
Air Inlet System
- Air cleaner - Non canister, disposable
- Aftercooler core
- Turbocharger
Control Panel
- GCCP 1.2
Cooling System
- Jacket water pump, gear driven, centrifugal
- Radiator sight gauge
- Blower fan and fan drive with guards
- Thermostats and housing
- Coolant drain valve
- Radiator, package mounted
Exhaust System
- Exhaust manifold - dry
Fuel System
- Fuel priming pump
- Engine fuel transfer pump
- Primary fuel filter w/integral water separator and secondary filter, spin on
- Integral tank base, 24 hours, UL142
Generator Set
- Factory tested to design specifications at full load conditions
- Complete system designed & built at ISO 9001:2000 certified facilities
- All protective devices and control functions simulated and checked
Generators and Generator Attachments
- Easy access to AVR and terminals
- Insulation system, Class H
- Brushless, self-excited 2/3 pitch (600V uses Internal excitation (IE))
- Voltage regulator (single phase sensing)
- Terminal box, IP22 RHS facing, bottom cable entry
- 12 Leads
- Standard winding protection for non-harsh environments with relative humidity ? 95%
- IP23 Protection
Governing System
- Cat electronic governor (ADEM A4)
Lube System
- Oil filler and dipstick
- Lubricating oil, CK-4 (10W-30)
- Shallow oil pan
- Oil filter, spin on
- Fumes disposal to front of radiator
- Oil cooler
- Oil drain with valve
Mounting System
- Includes lifting provisions and termination points for coolant and lube oil drain lines
- Captive linear vibration isolators between base and engine-generator
Protection
- Safety shutoff - Overspeed
- Safety shutoff - High water temperature
- Safety shutoff - Low oil pressure
Starting/Charging System
- 24-volt electric starting motor
- 24V, 45 Amp Charging alternator
General
- Vibration damper
- Lifting eyes
- Parts book
Need installed dimensions with enclosure and tank? See Model Configurations
