DG350 (3-Phase)

Built for greater operating versatility

The Cat® DG350 gas generator set delivers 350 ekW for stationary emergency, non-emergency and demand response applications. Its in-line six-engine configuration and lean-burn technology combine efficient operation with a compact footprint and greater installation flexibility.

Caterpillar is leading the power generation marketplace with Power Solutions engineered to deliver unmatched flexibility, expandability, reliability, and cost-effectiveness.

Equipment Highlights

Efficient lean-burn operation

Operating with a lean-air fuel ratio promotes fuel efficiency, while lower exhaust temperatures contribute to longer component life.

Service-friendly layout

A compact engine configuration provides more room inside the enclosure, making components easier to access for service.

No aftertreatment required

The CG18 engine meets non-emergency emissions requirements without aftertreatment, eliminating related maintenance and replacement costs.

Durable C18-based platform

Approximately 90% of the CG18 engine hardware is shared with the proven C18 diesel platform for long-term durability.

Low-pressure gas inlet

The natural gas inlet with low pressure capability adds flexibility when integrating the generator set.

Specs + Downloads

Specs

Engine Model: Cat® CG18 In-line 6, 4-cycle Natural Gas
Fuel System: Gas mixer, Venturi
Aspiration: Turbocharged - Air-to-Air Aftercooled
Governor Type: Electronic
Displacement: 1106.3 in³
Compression Ratio: 10.5:1
Bore: 5.7 in
Stroke: 7.2 in

Length: 154 in
Width: 73 in
Height: 82 in
Weight: 10721 lb

Frequency: 60 Hz
Natural Gas Rating: 350 ekW
Emissions/Fuel Strategy: U.S. EPA Certified for Stationary Emergency Application and Non-Emergency Applications
RPM: 1800
Fuel Type: Natural Gas
Voltage: 208 - 600 VAC