Gas Generator Sets
Cat DG400 GC (3 phase)
Caterpillar is leading the power generation marketplace with Power Solutions engineered to deliver unmatched flexibility, expandability, reliability, and cost-effectiveness.
Up to 1414 skVA @30% Voltage Dip
Able to start large connected motors loads during a power outage
Certified EPA Stationary Emergency
Complies with emission standards required for local permits
Alternator Features Class H Insulation
Highest classification ensures alternator durability
Specifications
Generator Set Specifications
| Frequency | 60 Hz |
| Natural Gas Rating | 400 ekW |
| Emissions/Fuel Strategy | U.S. EPA Certified for Non-Emergency Application |
| Displacement | 21.9 l |
| Fuel Type | Natural Gas |
| RPM | 1800 rpm |
| Voltage | 120/208, 120/240, 277/480, 346/600 VAC |
| Compression Ratio | 10.0:1 |
Engine Specifications
| Engine Model | G21.9L spark-ignited |
| Fuel System | Carburetor, Down Draft |
| Aspiration | Turbocharged - Aftercooled |
| Governor Type | Electronic |
| Bore | 21.9 mm |
| Stroke | 152.4 mm |
| Compression Ratio | 10.0:1 |
Generator Set Dimensions
| Length | 3923 mm |
| Width | 1803 mm |
| Height | 1702 mm |
| Weight | 3823 kg |
Product Rating Guide
Download (PDF)Benefits & Features
Engine
- Four-stroke-cycle gas engine combines consistent performance and excellent fuel economy with minimum weight
Generator
- Matched to the performance and output characteristics of Cat engines
- Industry leading mechanical and electrical design
- Industry leading motor starting capabilities
- High Efficiency
Emcp 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
Design criteria
- The generator set facilitates compliance with NFPA 110 and meets ISO 8528-5 requirements for transient response
- Cooling system designed to operate in 50˚C/122˚F ambient temperatures with an air flow restriction of 0.5 in. water
Ul 2200 / csa - optional
- UL 2200 Listed packages
- CSA Certified
- Certain restrictions may apply
- Consult with your Cat® Dealer
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
