D125 GC Generator Set

125 ekW Diesel Generator Set

Producing reliable power of 125 ekW at 60 Hz, our D125 GC diesel generator sets designed to ISO 8528-5 transient response requirements. All D125 GC generator sets are available with a choice of emissions levels.

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

Equipment Highlights

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

Specs + Downloads

Specs

Engine Model: C7.1 I-6, 4-Cycle Diesel
Bore: 4.1 in
Stroke: 5.3 in
Displacement: 428 in³
Compression Ratio: 16.7:1
Aspiration: Turbocharged, Air to Air Aftercooled
Fuel System: Electronic, Common Rail
Governor Type: ADEM™A4

Length - Maximum: 103.7 in
Width - Maximum: 51.2 in
Height - Maximum: 52.2 in
Dry Weight - Genset (maximum): 3099 lb

Standby Rating: 125 ekW
Frequency: 60 Hz
Emissions/Fuel Strategy: U.S. EPA Tier 3 Certified
Voltage: 208 to 600 Volts
Speed: 1800 rpm
Duty Cycle: Standby