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Generac RD02025ADAE 20kW 1800 RPM Aluminum Enclosure Standby Diesel Generator

Generac RD02025ADAE 20kW 1800 RPM Aluminum Enclosure Standby Diesel Generator

242 reviews
Regular price £399.00
Sale price £399.00 Regular price £14,797.00
Tax included. Shipping calculated at checkout.
Features
  • Generac Protector Series Diesel Standby Generator
  • Designed for residential and light commercial applications
  • Fully Automatic Operation When Paired w/ Generac ATS
  • Generator is only compatible with Generac Auto Transfer Switches
  • Mitsubishi 2.5L In-Line 4-Cylinder Diesel Engine
  • Fuel efficient design runs at 1800 RPM for long engine life
  • Integrated 33.5-Gallon Double-Wall Base Fuel Tank
  • Provides up to 31 hours of run time at 1/2 load
  • Two-Line LCD Evolution Controller
  • Easy viewing, monitoring and management of generator functions
  • Quiet Test
  • Runs at a lower RPM, is quieter and consumes less fuel
  • Isochronous Electronic Governor Control
  • Precise load response and voltage/frequency regulation (±1%)
  • Corrosion-Resistant Aluminum Enclosure
  • Enhanced durability, ideal for coastal and salt-water environments
  • Sound dampening design limits sound pressure to a low 70dB(A)
  • Code Ready - Compatibility With A Variety Of Environments
  • External Vent and Fill, UL/CUL 142-Listed Double Wall Based Tank
What's in The Box
  • Generac 20 kW 120/240V Automatic Standby Diesel Generator - RD02025ADAE
  • Owner's Manual
Warranty
  • 5-Year Limited Factory Warranty
  • 30 Day Satisfaction Guaranteed
Specifications
SKU RD02025ADAE
Brand Generac
Product Specs
Voltage 120/240 Single Phase
Frequency 60 hertz
Rated Watts 20000
Fuel Type Diesel
Run time at 50 percent Load 31 hr
Tank Size 33.5 gallons
Rated Amps 83 amps
Decibel Rating 65 test
Transfer Switch Automatic
Enclosure Aluminum
Mounting pad Concrete
Cooling System Liquid Cooled
Engine
Engine Brand Mitsubishi
Starting System 12V Auto Start
CC 2500
RPM 1800
Dimensions
Length 81 in
Width 31 in
Height 51 in
Weight 1528 lbs
  • FREE FAST SHIPPING
  • 30 DAY MONEY BACK GUARANTEE
  • 24/7 CUSTOMER SERVICE

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Customer Reviews

Based on 242 reviews
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229
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Most Recent ▾
06/08/2025
Clay M.VerifiedUS Flag

R-410A Refrigerant 25 lb.

06/05/2025
Glenn H.VerifiedUS Flag

Fast Shipping

Very Satisfied.

06/05/2025
richard b.VerifiedUS Flag

Great experience

My order came quick, packed well and reasonably priced. This was my first order through eRefrigerants but wont be my last.

05/27/2025
MILTON T.VerifiedUS Flag

Excellent product

Excellent product for the price and quick delivery

05/26/2025
Christopher K.VerifiedUS Flag

Great service, fast and protected shipping.

Exactly what I needed! Corrected small leak in outdoor coil, recharged and customer working perfectly again.