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Generac RD02025ADAL 20kW Diesel Generator

by Generac
SKU RD02025ADAL
$16,159.00

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Generac RD02025ADAL – 20kW 120/240V Diesel Standby Generator

The Generac RD02025ADAL is a 20kW liquid-cooled diesel standby generator designed for permanent backup power applications using 120/240V 1-phase service. This Protector Diesel RD Series model uses a 2.5L engine and is listed with a larger tank for longer run time. The supplied product data identifies this model as diesel-fueled and notes that 30kW and below diesel models are CARB emission compliant in California and Los Angeles, do not require a catalyst, and are also emissions compliant in Massachusetts. Generac’s official RD02025 extended-tank page supports the broader 20kW diesel, 1800RPM extended-tank platform, while dealer sources cross-check RD02025ADAL as the 120/240V single-phase extended-run model. Buyers should confirm load sizing, transfer equipment, fuel storage requirements, local code requirements, and installation planning before ordering.

20kW Diesel Backup Power for 120/240V 1-Phase Applications

The RD02025ADAL is built for standby generator projects where 20kW output, diesel fuel, and 120/240V single-phase service are required. Final system sizing should be based on the property’s actual electrical loads, transfer switch plan, fuel storage requirements, and installation conditions.

Long-Run Tank Configuration

This ADAL model is listed with a larger tank for longer run time, making it suitable for buyers who want the RD02025 diesel standby platform with extended fuel capacity compared with the standard tank configuration. Exact runtime should be confirmed against the final specification sheet because runtime depends on load and operating conditions.

Protector Diesel RD Series Platform

Generac’s official RD02025 extended-tank page identifies the platform as a 20kW diesel, 1800RPM standby generator. The Protector Diesel Series is positioned for permanent standby applications where diesel fuel, outdoor installation planning, and code-ready configuration options are important buyer considerations.

CARB, CA/LA, and Massachusetts Emissions Planning

The supplied product note states that 30kW and below models are CARB emission compliant in California and the city of Los Angeles, do not require a catalyst, and are emissions compliant in Massachusetts. Buyers should still confirm local permitting and emissions requirements before ordering.

Generac RD02025ADAL 20kW diesel standby generator for 120 240V 1-phase backup power with long run tank

The Generac RD02025ADAL is designed for permanent standby generator applications where diesel fuel, 20kW output, 120/240V 1-phase service, and a long-run tank configuration are part of the project requirements. Its configuration should be reviewed carefully before ordering to confirm voltage, fuel storage, transfer equipment, and site readiness.

For diesel standby power planning, confirm the tank configuration, electrical service, transfer equipment, and local code requirements before purchase. This extended-run RD Series model is intended for professionally installed backup power systems where verified fuel and voltage details matter.

Generac RD02025ADAL Protector Diesel RD Series 20kW generator with extended run tank

Generac RD02025ADAL Features & Benefits

  • 20kW diesel output: Provides a clear standby power rating for properly sized backup applications.
  • 120/240V 1-phase service: Matches projects requiring this specific single-phase voltage configuration.
  • Long-run tank setup: Identifies this ADAL version as the larger tank configuration for extended fuel planning.
  • 2.5L engine: Uses a liquid-cooled diesel engine platform for permanent standby generator applications.
  • Diesel fuel system: Supports buyers who prefer or require diesel standby power for their property or facility.
  • Protector Diesel RD Series: Part of Generac’s diesel standby generator lineup for professionally installed backup systems.
  • No catalyst required per supplied data: The supplied product note states that 30kW and below models are CARB compliant in CA/LA and emissions compliant in MA without a catalyst.

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Generac RD02025ADAL Specifications

Brand Generac
Series Protector Diesel RD Series
Model / SKU RD02025ADAL
Product Type Liquid-cooled diesel standby generator
Rated Power Output 20kW
Fuel Type Diesel
Voltage 120/240V
Phase 1-phase
Engine 2.5L engine
Tank Configuration Larger tank for longer run time
Platform Speed 1800RPM platform
Emissions Note 30kW and below models are CARB emission compliant in CA/LA and MA compliant per supplied product data; catalyst not required

Generac RD02025ADAL Info