# Caterpillar G3520H Gas Generator Set

> gas-generator-set - 2,500 ekW continuous natural-gas generator set for 50 Hz distributed generation and high-efficiency CHP projects. The G3520H rating represents the manufacturer continuous duty envelope; alternator voltage, emissions package and grid-code interconnection remain project specific.

**Voltformer canonical:** https://voltformer.com/product/caterpillar-g3520h-gas-generator-set - markdown version: https://voltformer.com/product/caterpillar-g3520h-gas-generator-set.md

## Overview

- **Brand:** Caterpillar
- **Product family:** G3500H gas generator sets
- **Application:** 2,500 ekW continuous natural-gas generator set for 50 Hz distributed generation and high-efficiency CHP projects. The G3520H rating represents the manufacturer continuous duty envelope; alternator voltage, emissions package and grid-code interconnection remain project specific.
- **Product type:** gas-generator-set

## Power Ratings (ISO 8528)

| Rating | kVA | kW |
|---|---|---|
| Prime power (PRP) | 2500 | 2500 |
| Standby power (LTP/ESP) | 2500 | 2500 |

- **Voltage / frequency:** Project configured, 50/60 Hz, 3-phase, 1 PF
- **Rated current:** - A
- **Fuel consumption @ 75% load:** - L/h

## Engine & Alternator

- **Engine:** Caterpillar G3520H (20-cylinder V, 86 L, Turbocharged, aftercooled, 1500 rpm)
- **Governing:** Manufacturer project configuration
- **Alternator:** Caterpillar
- **Controller:** Project configured

## Mechanical & Acoustic

- **Enclosure:** Generator set; CHP skid option
- **Dimensions (L×W×H):** -
- **Weight:** - kg - **Fuel tank:** - L
- **Noise @ 7 m:** - dB(A)

## Standards

- ISO 3046
- ISO 8528 - project applicability to be confirmed

## Sources

- https://www.cat.com/en_US/products/new/power-systems/electric-power/gas-generator-sets/1000028828.html
- https://emc.cat.com/n/api/pubdirect?media_string_id=LEXE7582-09_1.pdf

- **Source scope:** manufacturer-family
- **Last reviewed:** 2026-09-13

Manufacturer portfolio/family source. Confirm the exact order code, guaranteed ratings and project-specific options against the current OEM datasheet before procurement or an SLD study.

Ratings follow the manufacturer datasheet ISO 8528 definitions. Site-specific fuel, exhaust, cooling and paralleling engineering require qualified verification before procurement.