D50 GC Generator Set
Producing reliable power of 50 ekW at 60 Hz, our D50 GC diesel generator sets designed to ISO 8528-5 transient response requirements. All D50 GC generator sets meet EPA Stationary Emergency (Tier 3) emissions standards.
Product Images
Product Videos
Virtual Product Tour (VPT)
360° Interior View (HTML)
360° Exterior View (HTML)
Virtual Product Tour
Specifications
| Name | Type | Value | Unit Value (Imperial) | Unit Name | Unit Value (Metric) | Unit Name (Metric) |
|---|---|---|---|---|---|---|
| Standby Rating | text | 50 ekW | ||||
| Maximum Rating | text | 50 ekW | ||||
| Minimum Rating | text | 50 ekW |
Documents & Spec Sheets
Electric Power Ratings Guide
DownloadD50 GC, C4.4, 60 Hz 50 ekW, EPA Tier III Compliant Emissions Spec Sheet
DownloadD50 GC, 60 Hz 50 ekW, SCAQMD Complaint (Meets nonroad U.S. EPEPA Tier 3 equivalent emission standards) Spec Sheet
DownloadGCCP 1.2 Control Panel Data Sheet
DownloadGCCP 1.5 Control Panel Data Sheet
DownloadCat® GC Generator Set Brochure for North America
DownloadFeatures & Benefits
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
- 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
Complete Specifications
Generator Set Specifications
| Name | Type | Value | Unit Value (Imperial) | Unit Name | Unit Value (Metric) | Unit Name (Metric) |
|---|---|---|---|---|---|---|
| Standby Rating | text | 50 ekW | ||||
| Maximum Rating | text | 50 ekW | ||||
| Minimum Rating | text | 50 ekW | ||||
| Frequency | text | 60 Hz | ||||
| Emissions/Fuel Strategy | text | U.S. EPA Tier 3 Certified | ||||
| Voltage | text | 208 to 600 Volts | ||||
| Speed | text | 1800 rpm | ||||
| Duty Cycle | text | Standby | ||||
| Engine Model | text | C4.4, In-line 4, 4-cycle diesel | ||||
| Bore | measurement | 4.1 | in | 105 | mm | |
| Stroke | measurement | 5 | in | 127 | mm | |
| Displacement | measurement | 269 | in | 4.4 | l | |
| Compression Ratio | text | 18.2:1 | ||||
| Aspiration | text | Turbocharged | ||||
| Fuel System | text | Common Rail | ||||
| Governor Type | text | Mechanical, ADEM™A4 | ||||
| Length - Maximum | measurement | 77.2 | in | 1962 | mm | |
| Width - Maximum | measurement | 43.3 | in | 1100 | mm | |
| Height - Maximum | measurement | 48 | in | 1220 | mm | |
| Dry Weight - Genset (maximum) | measurement | 2055 | lb | 932 | kg |
Standard Equipment
Certificates
- IBC seismic and wind Certifications
Air Inlet System
- Air cleaner
- Cartridge type air filter
Circuit breakers
- Second circuit breaker box
- Power terminal strip
- Breakers (100% UL rated)
- 3-Pole 100% rated
Charging System
- NFPA battery charger UL10A 120VAC
Control Panel
- GCCP 1.2 Control panel
Exhaust System
- Stub pipe, gaskets, raincap and SAE exhaust flange for customer use - shipped loose
Fuel System
- Standard open set fuel tank/base supplied base, formed steel with single wall integral 24-hour fuel tank
Cooling System
- Fan drive, battery charging alternator drive
- Caterpillar extended life coolant
- Radiator and cooling fan with guards
- Coolant drain line with valve
- Radiator stone guard
Control Panels
- NFPA110 bundle includes:
- WCA1 Low coolant temperature alarm
- FSS Low fuel level alarm & indication panel circuitry required when sub-base tank is selected
- WSS1 Low coolant level shut down
- PBC10NU NFPA battery charger
- Oil temperature gauge and sender
- PAA1 Panel mounted audible alarm
- A Coolant heater, remote annunciator or 0.8 power factor test may be required depending on the application
- Audible alarm
- Remote E-stop button
- Ground fault relay
- Discrete I/O module
- Remote annunciator module
- Volt free contacts genset run and common alarm
- Fuel level reading
- Protective devices:
- Low coolant temperature alarm
- Low coolant level shutdown
- Overload shutdown via breaker
Generator
- 12 Leads
Governing System
- Mechanical and electrical governing system - model dependent
Lube System
- Lubricating oil
- Oil drain line with valve
General
- Engine and alternator pre-paint, Caterpillar yellow
Starting/Charging System
- Batteries
- 24V battery with rack and cables
Optional Equipment
Certificates
- IBC seismic and wind Certifications
Air Inlet System
- Cartridge type air filter
Alternator System
- R Frame auxilliary winding
Charging System
- NFPA battery charger UL10A 120VAC
Circuit breakers
- Breakers (100% UL rated)
- Power terminal strip
- 3-Pole 100% rated
- Second circuit breaker box
Control Panels
- Volt free contacts genset run and common alarm
- Oil temperature gauge and sender
- Remote E-stop button
- Protective devices: Low coolant temperature alarm - Low coolant level shutdown - Fuel level reading - Overload shutdown via breaker
- Audible alarm
- Remote annunciator module
- Discrete I/O module
- NFPA110 bundle includes: FSS Low fuel level alarm & indication panel circuitry required when sub-base tank is selected - WSS1 Low coolant level shut down - WCA1 Low coolant temperature alarm - PAA1 Panel mounted audible alarm - PBC10NU NFPA battery charger - A Coolant heater ,remote annunciator or 0.8 power factor test may be required depending on the application
- Ground fault relay
Cooling System
- Radiator transition flange
Enclosures
- External emergency stop
- Sound attenuated enclosure, Level 2
- Panel viewing window
Exhaust System
- 10, 25 and 35 dBA silencer systems
- Overhead silencer mounting kit
Fuel System
- 5 Gallon spill containment
- 209 and 394 gallon sub-base fuel tanks
- Tank riser
- Emergency vent pipe
- 5 Gallon fill containment
Heating Elements
- Coolant heater
- Wiring for canopy space heater
- Battery heater
- Lube oil sump heater
- Anti-condensation heater
- Wiring for canopy space heater
- Jacket water heater
Generators
- Permanent magnet excitation (PMG) generator
- Permanent magnet excitation (PMG) generator
Mounting System
- Seismic vibration isolators
Tests
- 4 Hour factory test
- PGS Test report @ 1.0 power factor
- PGS Test report @ 0.8 power factor
- Generator test report