DG125 (Single-phase and 3 phase) (60 Hz)

Engineered to adapt to changing needs

The Cat^® DG125 gas generator set is engineered for stationary emergency and non-emergency power across different operating environments. U.S. EPA certified for both uses, it gives customers more flexibility to power a variety of loads.

The Cat^® spark-ignited generator sets for stationary emergency applications provide a reliable and sustainable solution for your power needs. The ability to operate on multiple gaseous fuels and support automatic fuel changeover makes these products capable of powering a wide range of applications.

Equipment Highlights

High-efficiency alternator

Strong motor-starting capability helps reduce oversizing, while high-efficiency operation contributes to reliable generator set performance.

Dual-fuel engine

The 6.2L spark-ignited engine operates on natural gas or propane based on fuel availability.

Single-source support

Cat dealer service, parts and warranty coverage extend across the power system for easy ownership and ongoing support.

Programmable controls

User-friendly programmable controls support monitoring and configuration for various operating requirements.

Factory-tested package

Fully assembled at a Caterpillar facility, each generator set package is tested before leaving the factory.

Cat® Connect monitoring

Cat RAM and condition monitoring provide real-time access to performance and health data.

Specs + Downloads

Specs

Engine Model: V8, 6.2L TCAC
Bore: 4 in
Stroke: 3.75 in
Displacement: 378.3 in³
Compression Ratio: 9.8:1
Aspiration: TCAC
Fuel System: Electronic

Length: 96 in
Width: 51 in
Height: 57 in
Dry Weight - Genset: 3226 lb

Frequency: 60 Hz
Gas Standby Rating: 125 ekW
Emissions/Fuel Strategy: U.S. EPA Certified for Stationary Emergency and Non-Emergency Application
Voltage: 208-600
Speed: 1800 rpm
Natural Gas Rating: 125 ekW