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Caterpillar DG500 Specs (Power | Consumption)

Written by Ernie Lo in Specs Last Updated August 18, 2026

The Caterpillar DG500 generator is listed with standby output of 500 kW, Natural Gas fuel, 60 Hz operation, 4 available voltage configurations, Three phase, and rated current of 751.8 A.

Caterpillar Generator Specifications

Generator • Natural Gas • 60 Hz • Three phase

Standby power: 500 kWVoltage options: 4 configurationsRated current: 751.8 ADry weight: 10,337 lb (4,689 kg)

Key specifications

500 kW Standby power
Natural Gas Fuel
4 configurations Voltage options
Three phase Phase
751.8 A Rated current
10,337 lb (4,689 kg) Dry weight
60 Hz Frequency

Useful generator charts

Charts are shown only when this model has enough usable source data.

Power-to-weight
Standby output per 1,000 lb of dry weight compared with a fixed industry reference for this output class.
This model

48.4 kW

Typical reference

47 kW

Typical for this output class
Model spec snapshot
Representative numeric specifications from this generator.
500 kWStandby
751.8 ACurrent
10,337.48 lbWeight

How the Caterpillar DG500 compares

Low, Typical and High are fixed generator-industry reference bands set by standby-output class. They do not change based on the models contained in this CSV.

Standby power
500 kW
Low range
Typical: 700 kW
Dry weight
10,337 lb
Low range
Typical: 14,991 lb
Oil capacity
9.25 gal
Low range
Typical: 23.78 gal
Standby power500 kW · Low
Low 400 kWTypical 700 kWHigh 1,000 kW

Falls toward the low end of the fixed industry reference range for generators in this standby-output class.

Dry weight10,337 lb · Low
Low 7,011 lbTypical 14,991 lbHigh 27,999 lb

Falls toward the low end of the fixed industry reference range for generators in this standby-output class.

Oil capacity9.25 gal · Low
Low 10.57 galTypical 23.78 galHigh 59.44 gal

Falls toward the low end of the fixed industry reference range for generators in this standby-output class.

This model Typical industry reference

Generator information

Manufacturer Caterpillar
Model DG500
Generator type Generator
Fuel Natural Gas
Frequency 60 Hz

Electrical output

Standby power 500 kW
Standby kVA 625.0
Voltage options 480/277 V, 240/139 V, 208/120 V, 600/346 V
Phase Three phase
Rated current 751.8 A
Power factor 0.8

Engine, cooling and controls

Engine model Caterpillar CG18
Engine displacement 1, 105 cu in (18.1 L)
Aspiration / cooling Turbocharged, Air-to-Air Aftercooled
Rated engine speed 1800 rpm
Engine oil capacity 9.25 gal (35 L)
Engine coolant capacity 7.13 gal (27 L)
Oil capacity 9.25 gal (35 L)
Coolant capacity 7.13 gal (27 L)
Controller ADEM A4 – G2 Class* capable
Alternator LC6114F
Emissions U.S. EPA Certified for Stationary Emergency and Non-Emergency

Physical specifications

Dry weight 10, 337 lb (4, 689 kg)
Dimensions (L × W × H) 139.4 × 79.2 × 82.1 in (3542 × 2011 × 2085 mm)

Fuel consumption

Standby 100%

Disclaimer: Specifications should be verified against the official owner’s or service manual and confirmed on the Caterpillar USA website.

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Ernie Lo

Ernie Lo is a qualified web designer and web developer. He works as an IT support technician and website manager at Benleigh Vending, and he also fixes vending machines.

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