DG400 (3-Phase)

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

Pricing: Contact for Pricing Why we quote: Cat® machines are often configured to your job (attachments, hydraulics, cab options) and freight/taxes can vary by location. Request a quote to get accurate pricing based on your exact setup—typically within 1–2 business days.

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Payment Calculator Shop Parts Competitive Comparison

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

Payment Calculator Shop Parts Competitive Comparison

Emissions/Fuel Strategy	U.S. EPA Certified for Stationary Emergency Application and Non-Emergency Applications
Frequency	60 Hz
Fuel Type	Natural Gas
Natural Gas Rating	400 ekW
RPM	1800
Voltage	208 - 600 VAC

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

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

Standard Equipment:

Dry exhaust manifolds, insulated and shielded

Gas train with Zero Pressure regulator
ECU controlled shutdown solenoid
Airfuel Ratio Control, Venturi type Air-Gas mixer, throttle controlled valve

CAT^® ECS 100
Integrated Voltage Regulator (IVR)

PL444 Product link 4G LTE Telematics

Anti-condensation space heater
SR5

Electronic Governing

24V starting motors

Paint - Caterpillar Yellow except rails are gloss black
Operation and maintenance manuals
Parts book

Optional Equipment:

Air inlet adapters

CAT^® ECS 200

Inlet/Outlet connections

Flexible fitting
Elbow, Flange
Muffler and spark-arresting muffler with companion flanges
Exhaust expander

Permanent Mangnet Excitation
Low voltage extension box
Cable access box

Sound Attenuated and Weather Protective

Jacket water heater
Space Heaters
Charging alternator
Battery with cable and rack (shipped loose)
Battery charger
Oversized battery

Engine barring group

What Our Customers Are Saying About Us

Gregory Poole Equipment Company

4.0

Based on 58 reviews

review us on

Tom Corona

1 month ago

Rich Stidd

1 month ago

Carlos Virgilio Sauceda Rivera

3 months ago

John Karpathian

5 months ago

Clean store and great employees

Hunter Flaugher

10 months ago

Hydraulic pump shop is unmatched. I made the mistake of going somewhere else before bringing my pump here. These guys were more than helpful and friendly. Went out of their way to help me find a solution for my problem even when it didn’t benefit them. This is how businesses should be run. I won’t go anywhere else.

Brian Hrudka

1 year ago

Too bad Poole Cat Field Service is better at invoicing than actually getting my machines moving.

A prompt and courteous technician arrived, and correctly diagnosed two problems with my mini Ex. Thank you. I corrected those problems, but machine still did not work.

He diagnosed a fuel problem as a clogged filter, rather than a bad fuel pump which I managed to diagnose. I also figured out, via help on the internet, that the fuel shut-off solenoid was bad.

Machine runs fine now. So my advice is to check the internet, before letting Poole charge you $870 for a two hour field visit. And you can find a perfectly fine aftermarket fuel pump for $20 rather than the $250 that Poole charges... and it arrives faster,

Jacey Price

2 years ago

Need to teach a tech how to drive a service truck. Around 2:48 on highway 40 east, the truck pictured (plate ending in 8236) flew across 3 lanes of traffic to meet the Cleveland rd exit. Almost hit a semi and caused me to swerve with my children in the car. Glad making the exit was more important than children’s lives.