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  Home > View All Manufacturers > Cummins > Cummins Power Generation Air Cooled Generators >

  Cummins-Onan 20kW Cold Spec Bundle w/ 100 Amp ATS, 50' Harness

RS20A Cummins-Onan 20kW Generator Cold Spec
(purely indicative picture)

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Special Order: See below for shipping lead time.

Availability: Ships Factory Direct in 1 - 2 Days
Product Code: RS20A-15C

The following items are included FREE automatically with this product:

Battery Option


Description Technical Specs & Downloads
Product Details

pdf image Specification sheet pdf image Operator manual

Powered by a 993cc Air-Cooled V-Twin OHV Engine
Automotive-style lubrication system w/ Spin-on oil filter

Weather Protective Sound Enclosure
Made of thick, 11-gauge powder coated aluminum
All maintenance points are easily accessible w/o tools
Large, low noise, automotive grade corrosion resistant muffler

Cummins Proprietary Control System
Self-diagnostics, gen-set protection and safety features

Internet & E-Mail Capability
Monitor the generator's status online and setup e-mail alerts to be notified of outages or service needs

In-Home LCD Display
Easily monitor, run and exercise generator

Easy Installation
Innovative molded polymer base - no need for a concrete pad
Lift-off enclosure for close proximity installation
12" fuel line
2-wire start

Cold Weather Model - For Climates where temp falls below 32°F
Carb base plate heater, crankcase oil hear & alternator dryer
Engine breather heater & battery warming blanket -Sold Separately

Automatic Transfer Switch - 100 Amp Service Entrance Rated ATS
The Cummins-Onan Service Entrance rated Automatic Transfer Switch (RSS100-6868) is included with this Generator bundle.

50' Wiring Harness Package
The Cummins-Onan 50' Generator to Transfer Switch Harness (A029U302) and the 50' Generator to Display Unit Harness (A029U308) are included in this Generator bundle to make your installation plug-and-play.

5 Year or 2000 Hour Limited Warranty

The load management is available on the GSBA & GSBB models with the use of the Service Entrance ATS.
There are 3 extra wires provided in the lead (sold separately) between the generator and ATS.
You would install an appropriate amp sized normally closed relay to an optional load item in the home that the homeowner chooses to do without in the event of a high (90% to 95%) generator output condition. Most commonly a 12-volt relay in the thermostat circuit of the A/C compressor, or ice cube style relay for a hot tub etc..

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  Customer Reviews

Apelectric.com really got my generator out quickly. I placed my order first thing in the morning, and it shipped that afternoon. It was simple to choose the right maintenance kit and battery. The options just popped up at check out. I have already recommended their website to the electrician who installed my generator.

Brian G. - Colts Neck, NJ
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