SKU: 20RCA-Cashmere

Kohler 20 kW Generator

By Kohler
Regular price $5,819.00 USD
Color: Cashmere
Description

The Kohler 20RCA 20 kW Standby Generator delivers dependable automatic backup power to keep your home protected during utility outages. Built with commercial-grade components and engineered for residential standby use, this generator provides reliable performance and power quality when it matters most.

Powered by a robust Kohler CH1000 V-2 air-cooled engine with hydraulic valve lifters, the 20RCA is designed for long life, smooth operation, and reduced maintenance. Dual fuel capability lets the generator run on natural gas or liquid propane, offering installation flexibility and uninterrupted power through storms or grid interruptions.

PowerBoost technology helps start heavy loads like central air conditioners, sump pumps, and major appliances without dropping power to other circuits. With premium voltage and frequency regulation, this generator delivers clean, stable power that’s safe for sensitive electronics.

When paired with a compatible automatic transfer switch (sold separately), the 20RCA automatically detects power loss and restores electricity within seconds, keeping lights, HVAC systems, refrigerators, and essential devices running. The corrosion-resistant aluminum enclosure offers weather durability and quiet residential operation, while remote monitoring capability allows you to check generator status from anywhere.

The Kohler 20RCA 20 kW Standby Generator is an excellent choice for homeowners who want powerful, reliable backup power with flexibility and commercial-grade construction.

Specifications

Rated kW LP
20 kW

Rated kW NG
18 kW

Amps LP
83 amps

Amps NG
75 amps

Peak Motor Starting kVA @ 240V
41 kVA

Alternator Note
All information shown is for a 1 Phase 60 Hz generator with the largest alternator option available.

Displacement
999 cm³ (61 cu in)

Horsepower
Natural Gas 27.1 HP
Liquid Propane 30.9 HP

Enclosure Material
Aluminum

Sound Output During Weekly Exercise
64 dB(A)

Sound Output During Full-Speed Operation
69 dB(A)

Response Time
10 seconds

Warranty
Premium five-year limited warranty

Country of Origin
United States

Automatic Transfer Switch Included
Sold Separately

Remote Monitor Available
Included

Off Grid / Utility Backup
Utility Backup

Weight
555 lbs (252 kg)

Alternator Type
2-Pole, Rotating Field

Fuel Consumption on NG at 50% Load
161 cfh

Fuel Consumption on LP at 50% Load
82 cfh

Controller
RDC2 Controller

Cylinder Arrangement
V-2

Dimensions
47 in x 26.2 in x 32.2 in
(1193 mm x 666 mm x 817 mm)

Engine Manufacturer
KOHLER

Engine Model
CH1000

Engine / Alternator RPM
3600

Fuel Type
Natural Gas | Liquid Propane

Frequency
60 Hz

Phase
Single Phase | Three Phase

Voltage @ 60 Hz
120/240 | 277/480

Digital Voltage Regulation
±1.0%

PowerBoost™ Technology
PowerBoost technology delivers strong motor starting performance, allowing the generator to handle high demand loads like air conditioners and sump pumps without dropping power to other critical circuits.

Commercial Engines
Built with commercial grade engines designed for long run times and dependable performance, ensuring reliable operation during extended outages and demanding conditions.

No Refueling
Because the generator connects directly to your home’s natural gas or propane supply, there’s no need to refuel during an outage. As long as fuel is available, power stays on.

Fastest Return to Power
The system automatically detects a power loss and restores electricity within seconds, minimizing disruption and keeping essential systems running with little to no downtime.

Weatherproof Enclosure
A corrosion resistant, weatherproof aluminum enclosure protects internal components from harsh outdoor conditions while maintaining quiet operation suitable for residential environments.

Remote Monitoring
Remote monitoring allows you to check generator status, performance, and alerts from anywhere, giving you confidence and visibility even when you’re away from home.