Cummins C20D6 - 20kW
Cummins C20D6 - 20kW
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SKU  PES-PS-GEN-00113

Cummins C20D6 - 20kW Quiet Connect Series 120/240V 1 Phase Liquid Cooled Standby Generator - A063P961

Cummins C20D6 - 20kW Quiet Connect Series 120/240V 1 Phase Liquid Cooled Standby Generator - A063P961

$28,945.50 USD
$ $28,945.50 USD
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9+ sold

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Unlimited lifetime support, always available.

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What is your return policy?

Returns are free in the first 30 days with no restocking or processing fees, although the customer may be responsible for paying return shipping. See our complete return policy on our Shipping, Delivery, and Returns page linked in the footer of this website.

What’s covered by your return policy?

Our returns policy covers all purchases made through Portlandia Electric Supply. For warranty issues, as authorized distributors, we honor the full manufacturer warranty of ALL the brands on our website. See our complete returns and warranty policies on our Shipping, Deliver, and Returns page.

How long will it take to receive my order?

All orders are processed within 72 hours and you can expect delivery on most orders within 5-7 business days. You will receive access to our customer portal after ordering, where it is easy to track all your shipments. See our Shipping, Delivery and Returns page for more details.

What are your financing and payment options?

We offer several ways to pay to make getting your solar kit simple:

Credit Card: if the purchase is greater than your card’s limit, you can split the cost onto multiple cards as well as Paypal, financing through Affirm, and ACH/bank transfer

You can arrange financing during the checkout process, or scroll further down this page for more details. Please note, if you'd like to finance your order, you can do so instantly, right at checkout.

How does your Lifetime Customer Support work?

Our legendary lifetime customer support has helped make us the #1 online solar retailer! We have a dedicated team of solar professionals standing by to help you navigate the world of solar with ease. From selecting the perfect solar kit to installation and beyond, we provide support and expertise at every step of the journey.If you need help with ordering, shipping, troubleshooting, expanding your system, warranty issues, or anything else you have questions about for as long as you own your Portlandia Electric Supply equipment, we’ve got you covered: we’re always only a phone call or email away.

 

Cummins C20D6 20 kW Quiet Connect Standby Generator

Model A063P961 | 120/240 V Single-Phase | Liquid-Cooled | Dual Fuel (NG/LP) | 2-Year Warranty

20 kW
Standby Power
65 dB(A)
Sound Level @ 7m
2.4 L
Liquid-Cooled Engine

Product Overview

The Cummins C20D6 (MPN A063P961) is a compact, high-performance 20 kW Quiet Connect Series standby generator engineered to deliver reliable backup power for residential and light commercial applications. Designed with a durable 2.4 L liquid-cooled engine, it operates quietly, efficiently, and automatically during power interruptions. Built for long-term dependability and low-maintenance operation, the C20D6 ensures consistent power supply with minimal noise and optimal fuel economy.

Key Features

20 kW Standby Rated Power: Delivers 20 kW (20 kVA) at 60 Hz, providing ample backup power for homes and small commercial installations.

Single-Phase 120/240 V Output: Standard residential voltage configuration suitable for homes and small commercial buildings requiring reliable backup power.

2.4 L Liquid-Cooled Cummins Engine: Purpose-built engine delivers smooth, efficient performance with reduced vibration and extended operational life.

Quiet Connect Technology: Minimizes operational noise to approximately 65 dB(A) at 7 meters, making it suitable for noise-sensitive residential environments.

Automatic Start-Up & Transfer: Automatic start-up and transfer capability ensures uninterrupted power during outages without manual intervention.

PowerCommand® Controller: Advanced Cummins PowerCommand® controller provides smart monitoring, diagnostics, and fault protection for reliable operation.

Dual Fuel Flexibility: Field-selectable operation on natural gas or propane provides fuel flexibility to match your installation requirements.

Weather-Resistant Enclosure: Corrosion-protected steel enclosure withstands harsh outdoor conditions for long-term durability and reliable operation.

Electrical Specifications (Standby Rating)

Manufacturer Cummins
Model Number (MPN) A063P961 (C20D6)
Series Quiet Connect
Rated Power (Pmax) 20 kW
Apparent Power 20 kVA
Voltage 120/240 V, Single-Phase
Frequency 60 Hz
Power Factor 1.0
Voltage Regulation ±1.0%
Frequency Regulation ±0.25%
Fuel Type Natural Gas or Propane (Field-Selectable)

Mechanical & Engine Data

Engine Model Cummins 2.4 L Liquid-Cooled
Displacement 2.4 L
Rated Speed 1800 rpm
Cooling System Liquid-Cooled
Fuel Consumption @ 100% Load (NG) ≈ 250 ft³/hr
Fuel Consumption @ 100% Load (LP) ≈ 2.7 gal/hr (10.2 L/hr)
Dimensions (L × W × H) 76 × 35 × 47 in (1930 × 889 × 1194 mm)
Weight (Dry) ≈ 1,250 lb (567 kg)

Environmental & Site Ratings

Operating Temperature Range -20°F to 122°F (-29°C to 50°C)
Enclosure Material Powder-Coated, Corrosion-Resistant Steel
Sound Level @ 7 m ~65 dB(A)

Certifications & Warranty

Listings: UL 2200 Listed, EPA Certified for Stationary Emergency Use
Standards: NFPA 110 Capable, ISO 8528-5 Compliant
Controller: Cummins PowerCommand® with Smart Monitoring
Warranty: 2-Year Limited Standby Use (Extended Coverage Available)

● Available | Contact us for lead time and pricing

Customer Reviews

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What is your return policy?

Returns are free in the first 30 days with no restocking or processing fees, although the customer may be responsible for paying return shipping. See our complete return policy on our Shipping, Delivery, and Returns page linked in the footer of this website.

What’s covered by your return policy?

Our returns policy covers all purchases made through Portlandia Electric Supply. For warranty issues, as authorized distributors, we honor the full manufacturer warranty of ALL the brands on our website. See our complete returns and warranty policies on our Shipping, Deliver, and Returns page.

How long will it take to receive my order?

All orders are processed within 72 hours and you can expect delivery on most orders within 5-7 business days. You will receive access to our customer portal after ordering, where it is easy to track all your shipments. See our Shipping, Delivery and Returns page for more details.

What are your financing and payment options?

We offer several ways to pay to make getting your solar kit simple:

Credit Card: if the purchase is greater than your card’s limit, you can split the cost onto multiple cards as well as Paypal, financing through Affirm, and ACH/bank transfer

You can arrange financing during the checkout process, or scroll further down this page for more details. Please note, if you'd like to finance your order, you can do so instantly, right at checkout.

How does your Lifetime Customer Support work?

Our legendary lifetime customer support has helped make us the #1 online solar retailer! We have a dedicated team of solar professionals standing by to help you navigate the world of solar with ease. From selecting the perfect solar kit to installation and beyond, we provide support and expertise at every step of the journey.If you need help with ordering, shipping, troubleshooting, expanding your system, warranty issues, or anything else you have questions about for as long as you own your Portlandia Electric Supply equipment, we’ve got you covered: we’re always only a phone call or email away.

 

Cummins C20D6 20 kW Quiet Connect Standby Generator

Model A063P961 | 120/240 V Single-Phase | Liquid-Cooled | Dual Fuel (NG/LP) | 2-Year Warranty

20 kW
Standby Power
65 dB(A)
Sound Level @ 7m
2.4 L
Liquid-Cooled Engine

Product Overview

The Cummins C20D6 (MPN A063P961) is a compact, high-performance 20 kW Quiet Connect Series standby generator engineered to deliver reliable backup power for residential and light commercial applications. Designed with a durable 2.4 L liquid-cooled engine, it operates quietly, efficiently, and automatically during power interruptions. Built for long-term dependability and low-maintenance operation, the C20D6 ensures consistent power supply with minimal noise and optimal fuel economy.

Key Features

20 kW Standby Rated Power: Delivers 20 kW (20 kVA) at 60 Hz, providing ample backup power for homes and small commercial installations.

Single-Phase 120/240 V Output: Standard residential voltage configuration suitable for homes and small commercial buildings requiring reliable backup power.

2.4 L Liquid-Cooled Cummins Engine: Purpose-built engine delivers smooth, efficient performance with reduced vibration and extended operational life.

Quiet Connect Technology: Minimizes operational noise to approximately 65 dB(A) at 7 meters, making it suitable for noise-sensitive residential environments.

Automatic Start-Up & Transfer: Automatic start-up and transfer capability ensures uninterrupted power during outages without manual intervention.

PowerCommand® Controller: Advanced Cummins PowerCommand® controller provides smart monitoring, diagnostics, and fault protection for reliable operation.

Dual Fuel Flexibility: Field-selectable operation on natural gas or propane provides fuel flexibility to match your installation requirements.

Weather-Resistant Enclosure: Corrosion-protected steel enclosure withstands harsh outdoor conditions for long-term durability and reliable operation.

Electrical Specifications (Standby Rating)

Manufacturer Cummins
Model Number (MPN) A063P961 (C20D6)
Series Quiet Connect
Rated Power (Pmax) 20 kW
Apparent Power 20 kVA
Voltage 120/240 V, Single-Phase
Frequency 60 Hz
Power Factor 1.0
Voltage Regulation ±1.0%
Frequency Regulation ±0.25%
Fuel Type Natural Gas or Propane (Field-Selectable)

Mechanical & Engine Data

Engine Model Cummins 2.4 L Liquid-Cooled
Displacement 2.4 L
Rated Speed 1800 rpm
Cooling System Liquid-Cooled
Fuel Consumption @ 100% Load (NG) ≈ 250 ft³/hr
Fuel Consumption @ 100% Load (LP) ≈ 2.7 gal/hr (10.2 L/hr)
Dimensions (L × W × H) 76 × 35 × 47 in (1930 × 889 × 1194 mm)
Weight (Dry) ≈ 1,250 lb (567 kg)

Environmental & Site Ratings

Operating Temperature Range -20°F to 122°F (-29°C to 50°C)
Enclosure Material Powder-Coated, Corrosion-Resistant Steel
Sound Level @ 7 m ~65 dB(A)

Certifications & Warranty

Listings: UL 2200 Listed, EPA Certified for Stationary Emergency Use
Standards: NFPA 110 Capable, ISO 8528-5 Compliant
Controller: Cummins PowerCommand® with Smart Monitoring
Warranty: 2-Year Limited Standby Use (Extended Coverage Available)

● Available | Contact us for lead time and pricing
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Customer Success Stories

Troy P

EG4 off-grid base kit, Happy with my purchase.

This is the first stage of my three planned purches. I got the eg4 inverter 6000 XP base kit with six 400 watt panels and the two server rack batteries. Did a little online research and followed the instructions and it got set up without any issues. Right now I'm just running it in my garage on a single outlet and have been running dual 750 watt water distillers with it. Once I get the second inverter and a bunch more panels and batteries, I plan on attaching it to my subpanel in my house that has my lights and outlets and appliances on it. Then I'll get a soft start for my AC and blower and run it on my main panel.

Jacob B

Easy Process, Genuine Support

Trying to pick the correct solar system for your needs can be very technical and frustrating. I wanted to thank Yvhan and the Portlandia Electric supply team for their patience and helpful attitudes through multiple calls. I feel like we were able to narrow it down to what worked for me and my family. My system works great and I couldn't be happier to have picked Portlandia Electric Supply.

Patrick B

Off Grid Solar Purchase

I wanted to get an offgrid solar system for years but didn’t know where to start. I found Portlandia Electric Supply on Facebook and decided to submit a quote. Within 24 hours I had a custom proposal that was almost half the price of the companies I had previously got quotes from. My wife and I decided to order online and the kit came in a timely manner and it was an easy install. Great company to work with!

James Martin

Highly Recommend

I would like to take the time to express the outstanding service that I was provided with by Portlandia Electric Supply. They provided me with all the answers to my questions, and after reviewing our quote over the phone I felt comfortable proceeding to order my kit. It’s exactly what I needed and they were there to help us over the phone when we had questions installing it. I highly recommend others in need to choose Portlandia Electric Supply.

Brian H

Solar Kit for Mobile Work Van

As a professional videographer, I needed reliable power on the go.Portlandia Electric Supply Delta Pro and roof-mounted panels were the perfect solution. Setup was easy, and the kit included everything needed. The Delta Pro powers my cameras, lights, laptop, and a small fridge with impressive battery capacity.

Keith S

Best Tech Support

You folks have been wonderful guiding me through the ins and outs of going solar. Plus your tech guys Rod and Nelson are the absolute best. They explained all the different aspects of inverters, batteries and how to keep them in top condition. Too much more to put here… but no other company has the 100% tech support you provide for your customers!

Coll A

Great Experience

My experience with Portlandia Electric Supply has been excellent. Before the sales, they answered all my questions to assure that I got what I needed. After the sales they continued to support me with answers and help. I had a warranty issue with a unit, and it was handled as well as possible. I would recommend them to anyone looking to go solar.

Troy P

EG4 off-grid base kit, Happy with my purchase.

This is the first stage of my three planned purches. I got the eg4 inverter 6000 XP base kit with six 400 watt panels and the two server rack batteries. Did a little online research and followed the instructions and it got set up without any issues. Right now I'm just running it in my garage on a single outlet and have been running dual 750 watt water distillers with it. Once I get the second inverter and a bunch more panels and batteries, I plan on attaching it to my subpanel in my house that has my lights and outlets and appliances on it. Then I'll get a soft start for my AC and blower and run it on my main panel.

Jacob B

Easy Process, Genuine Support

Trying to pick the correct solar system for your needs can be very technical and frustrating. I wanted to thank Yvhan and the Portlandia Electric supply team for their patience and helpful attitudes through multiple calls. I feel like we were able to narrow it down to what worked for me and my family. My system works great and I couldn't be happier to have picked Portlandia Electric Supply.

Patrick B

Off Grid Solar Purchase

I wanted to get an offgrid solar system for years but didn’t know where to start. I found Portlandia Electric Supply on Facebook and decided to submit a quote. Within 24 hours I had a custom proposal that was almost half the price of the companies I had previously got quotes from. My wife and I decided to order online and the kit came in a timely manner and it was an easy install. Great company to work with!

James Martin

Highly Recommend

I would like to take the time to express the outstanding service that I was provided with by Portlandia Electric Supply. They provided me with all the answers to my questions, and after reviewing our quote over the phone I felt comfortable proceeding to order my kit. It’s exactly what I needed and they were there to help us over the phone when we had questions installing it. I highly recommend others in need to choose Portlandia Electric Supply.

Brian H

Solar Kit for Mobile Work Van

As a professional videographer, I needed reliable power on the go.Portlandia Electric Supply Delta Pro and roof-mounted panels were the perfect solution. Setup was easy, and the kit included everything needed. The Delta Pro powers my cameras, lights, laptop, and a small fridge with impressive battery capacity.

Keith S

Best Tech Support

You folks have been wonderful guiding me through the ins and outs of going solar. Plus your tech guys Rod and Nelson are the absolute best. They explained all the different aspects of inverters, batteries and how to keep them in top condition. Too much more to put here… but no other company has the 100% tech support you provide for your customers!

Coll A

Great Experience

My experience with Portlandia Electric Supply has been excellent. Before the sales, they answered all my questions to assure that I got what I needed. After the sales they continued to support me with answers and help. I had a warranty issue with a unit, and it was handled as well as possible. I would recommend them to anyone looking to go solar.

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Manufacturer Warranty, Exceptional Service

Shop Securely, Trusted Supplier, 100% Satisfaction

Trusted Company, Real Products, Lifetime Support

Avoid Scams, Buy with Confidence, Enjoy Peace of Mind

Manufacturer Warranty, Exceptional Service

Shop Securely, Trusted Supplier, 100% Satisfaction

Trusted Company, Real Products, Lifetime Support

Avoid Scams, Buy with Confidence, Enjoy Peace of Mind

Manufacturer Warranty, Exceptional Service

Shop Securely, Trusted Supplier, 100% Satisfaction

Trusted Company, Real Products, Lifetime Support

Avoid Scams, Buy with Confidence, Enjoy Peace of Mind

Manufacturer Warranty, Exceptional Service

Shop Securely, Trusted Supplier, 100% Satisfaction

Trusted Company, Real Products, Lifetime Support

Avoid Scams, Buy with Confidence, Enjoy Peace of Mind

Manufacturer Warranty, Exceptional Service

Shop Securely, Trusted Supplier, 100% Satisfaction

Trusted Company, Real Products, Lifetime Support

Avoid Scams, Buy with Confidence, Enjoy Peace of Mind

Manufacturer Warranty, Exceptional Service

Shop Securely, Trusted Supplier, 100% Satisfaction

Trusted Company, Real Products, Lifetime Support

Avoid Scams, Buy with Confidence, Enjoy Peace of Mind

Manufacturer Warranty, Exceptional Service

Shop Securely, Trusted Supplier, 100% Satisfaction

Trusted Company, Real Products, Lifetime Support

Avoid Scams, Buy with Confidence, Enjoy Peace of Mind

Manufacturer Warranty, Exceptional Service

Shop Securely, Trusted Supplier, 100% Satisfaction

Trusted Company, Real Products, Lifetime Support

Avoid Scams, Buy with Confidence, Enjoy Peace of Mind

Manufacturer Warranty, Exceptional Service

Shop Securely, Trusted Supplier, 100% Satisfaction

Trusted Company, Real Products, Lifetime Support

Avoid Scams, Buy with Confidence, Enjoy Peace of Mind

Manufacturer Warranty, Exceptional Service

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When you choose Portlandia Electric Supply, you’re buying real products from a trusted company with established supplier relationships. Enjoy peace of mind with 100% manufacturer warranty coverage and lifetime customer support. In an age where online shopping is fraught with risks, it’s crucial to avoid fly-by-night websites that skirt regulations. Shop with confidence, knowing you’re getting genuine quality and reliable service.

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