Generator Sets•CAT

CAT DE550E0 Heavy-Duty Generator Set (500/550 kVA)

High-output 500 kVA Prime / 550 kVA Standby (400 / 440 kW) diesel generator set powered by the 15.2L Cat C15 engine with a 1000 L fuel tank.

  • 50 Hz Standby Power550 kVA 440 ekW
  • Standby Power (ESP)550.0 kVA / 440.0 kW
  • 50 Hz Prime Power500 kVA 400 ekW

Verified Prior to Quotation. Fitment and configuration are cross-checked against your equipment serial number.

Technical Overview

About CAT DE550E0 Heavy-Duty Generator Set (500/550 kVA)

The Caterpillar DE550E0 is a flagship medium-to-high-power industrial generator set built for continuous prime duty in mining and processing plants, as well as mission-critical standby for data centers and hospitals.

Cat C15 Package Advantages:

  • Exceptional transient load acceptance and rapid turbocharger response.
  • ADEM A4 electronic engine management for optimized fuel economy across partial and full loads.
  • High-ambient tropical radiator package rated up to +50 °C ambient temperature.
  • Extended 500-hour oil and filter service interval under standard fuel quality.
  • 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 requirement

Producing reliable power 550 kVA at 50 Hz, our DE550E0 diesel generator set designed to ISO 8528-5 transient response requirements

Engine Features

  • 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

Alternator Features

  • Superior motor starting capability minimizes need for oversizing alternator
  • Designed to match performance and output characteristics of Cat diesel engines
  • Robust Class H insulation

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

Supply Assurance

MSDD Engine Standards

01
Genuine Quality & Fitment Check

We verify fitment by engine nameplate and serial number, with pre-shipment photos of original packaging.

02
Direct Export Logistics

Direct dispatch from our Chongqing hub for industrial fleets, power plants, and service centers.

03
Locked Commercial Terms

Unit price, completeness, export crating, and lead time are confirmed before invoicing.

Technical Data

Specifications

Reference parameters for engineering selection; exact arrangement details are confirmed prior to shipment. Manufacturer names and part numbers are used for identification reference only.

Additional Parameters
Model / CodeC15 | DE550E0
BrandCAT (Caterpillar)
Minimum Rating400 ekW
Maximum Rating440 ekW
50 Hz Prime Power500 kVA 400 ekW
50 Hz Standby Power550 kVA 440 ekW
Rated Speed1500 rpm
Emissions StandardLow BSFC
Standby Power (ESP, 50 Hz)550.0 kVA / 440.0 kW
Prime Power (PRP, 50 Hz)500.0 kVA / 400.0 kW
Voltage / Frequency400/230 V / 50 Hz (3-Phase)
Engine ModelCaterpillar C15 (L6, 15.2 L, ATAAC)
Fuel Consumption (100% / 75% / 50%)112.9 / 85.5 / 58.5 L/h
Fuel Tank Capacity1000 L
Control PanelEMCP 4.2B / PowerWizard 2.1
Open Set Dimensions (L × W × H)3830 × 1130 × 2255 mm (3676 kg)
Canopy Set Dimensions (L × W × H)4930 × 1658 × 2221 mm (4945 kg)
Sound Pressure Level (Canopy)76 dBA @ 7 m
Compatible ModelsC15

Engineering Advantage

Why Specify CAT DE550E0 Heavy-Duty Generator Set (500/550 kVA)

01

Prime (PRP) and Standby (ESP) ratings are sized to your actual load profile and motor starting currents.

02

Electrical parameters are confirmed before quotation: voltage, frequency, controller model, and paralleling or ATS gear.

03

Enclosure format is matched to your site: open skid, soundproof canopy, or containerized package with climate protection.

04

Site altitude, ambient temperature derating, and acoustic limits are engineered into the configuration.

05

Lead time, export crating, and international shipping terms (FOB, CIF, DAP) are fixed prior to order confirmation.

Applications

Typical Applications

Designed for reliable prime and standby power across industrial facilities and critical infrastructure. Enclosure and switchgear are configured to your site.

Logistics & Packaging

Delivery Terms

Quantity, export packaging, gross weight, and dispatch lead time are confirmed in your formal quotation.

Packaging
Export-grade protective packaging
Unit Weight
4945 kg
Minimum Order
1 unit / per enquiry
Lead Time
Confirmed prior to order

Before You Order

Frequently Asked Questions

What technical details are required for sizing and quotation?

Please specify your required power output (kW/kVA), operating duty (Prime or Standby), ambient conditions (altitude and temperature), voltage/frequency, and destination country.

Can the configuration and scope of supply be customized?

Yes. Cooling packages, flywheel housings, control panels, canopies, and ATS switchgear are confirmed to match your application prior to quotation.

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