Cummins RS13A
Air-cooled · Natural Gas / LP Vapor
Full catalog
Cummins home standby generators
All 18 air-cooled and liquid-cooled models, with published pricing from $4,419.04 on 16 of them. Prices shown are for the equipment only. Units above 100kW are quoted per project rather than listed, because they are specified against your service and switchgear. Installation is quoted separately after a free on-site survey — here is what that typically adds in DFW.
Air-cooled — 13kW to 20kW
Natural gas or LP, aluminum enclosure, residential footprint. This is what goes in almost every DFW backyard. Air-cooled tops out around 20kW because beyond that an air-cooled engine cannot shed heat over a multi-day run.
Cummins RS13AE
Air-cooled · Natural Gas / LP Vapor
Cold weather −40°F
Cummins RS17A
Air-cooled · Natural Gas / LP Vapor
Cummins RS17AE
Air-cooled · Natural Gas / LP Vapor
Cold weather −40°F
Cummins RS20A
Air-cooled · Natural Gas / LP Vapor
Cummins RS20AC
Air-cooled · Natural Gas / LP Vapor
ATS included
Cummins RS20ACE
Air-cooled · Natural Gas / LP Vapor
ATS included Cold weather −40°F
Cummins RS20AE
Air-cooled · Natural Gas / LP Vapor
Cold weather −40°F
Liquid-cooled — 25kW to 150kW
Natural gas or LP with a radiator loop, so it can hold rated output indefinitely. The right answer for large homes with several HVAC systems, and for light commercial buildings on gas service.
Cummins RS25
Liquid-cooled · Natural Gas / LP Vapor
120/240V single phase
$17,622.48
Equipment only. Installation quoted after a free site survey.
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Cummins RS30
Liquid-cooled · Natural Gas / LP Vapor
120/240V single phase
$18,812.69
Equipment only. Installation quoted after a free site survey.
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Cummins RS36
Liquid-cooled · Natural Gas / LP Vapor
120/240V single phase
$19,356.52
Equipment only. Installation quoted after a free site survey.
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Cummins RS40
Liquid-cooled · Natural Gas / LP Vapor
120/240V single phase
$19,495.69
Equipment only. Installation quoted after a free site survey.
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Cummins RS50
Liquid-cooled · Natural Gas / LP Vapor
120/240V single phase
$23,364.26
Equipment only. Installation quoted after a free site survey.
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Cummins RS60
Liquid-cooled · Natural Gas / LP Vapor
120/240V single phase
$27,446.22
Equipment only. Installation quoted after a free site survey.
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Cummins RS80
Liquid-cooled · Natural Gas / LP Vapor
120/240V single phase
$35,467.96
Equipment only. Installation quoted after a free site survey.
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Cummins RS100
Liquid-cooled · Natural Gas / LP Vapor
120/240V single phase
$41,139.72
Equipment only. Installation quoted after a free site survey.
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Cummins RS125
Liquid-cooled · Natural Gas / LP Vapor
Pricing
Quoted per project
Units at this size are specified against your electrical service, switchgear and fuel arrangement, so they are quoted per project rather than listed at a shelf price.
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Cummins RS150
Liquid-cooled · Natural Gas / LP Vapor
Pricing
Quoted per project
Units at this size are specified against your electrical service, switchgear and fuel arrangement, so they are quoted per project rather than listed at a shelf price.
View detailsNeed diesel, or something bigger?
Above 150kW, or where the building needs on-site fuel and independence from the gas utility, the answer is the C-series diesel range rather than anything on this page. It is listed in full, with the same published pricing, on its own page.
Light commercial diesel generators, 20kW to 200kW → · Farm, poultry or dairy? Agricultural standby → · Rental fleet or jobsite? Mobile trailer generators →
All models at a glance
| Model | Output | Fuel | Cooling | Equipment price |
|---|---|---|---|---|
| Cummins RS13A | 13 kW | Natural Gas / LP Vapor | Air-cooled | $4,419.04 |
| Cummins RS13AE | 13 kW | Natural Gas / LP Vapor | Air-cooled | $4,815.30 |
| Cummins RS17A | 17 kW | Natural Gas / LP Vapor | Air-cooled | $5,326.86 |
| Cummins RS17AE | 17 kW | Natural Gas / LP Vapor | Air-cooled | $5,576.63 |
| Cummins RS20A | 20 kW | Natural Gas / LP Vapor | Air-cooled | $5,925.25 |
| Cummins RS20AC | 20 kW | Natural Gas / LP Vapor | Air-cooled | $6,868.48 |
| Cummins RS20ACE | 20 kW | Natural Gas / LP Vapor | Air-cooled | $7,131.91 |
| Cummins RS20AE | 20 kW | Natural Gas / LP Vapor | Air-cooled | $6,300.85 |
| Cummins RS25 | 25 kW | Natural Gas / LP Vapor | Liquid-cooled | $17,622.48 |
| Cummins RS30 | 30 kW | Natural Gas / LP Vapor | Liquid-cooled | $18,812.69 |
| Cummins RS36 | 36 kW | Natural Gas / LP Vapor | Liquid-cooled | $19,356.52 |
| Cummins RS40 | 40 kW | Natural Gas / LP Vapor | Liquid-cooled | $19,495.69 |
| Cummins RS50 | 50 kW | Natural Gas / LP Vapor | Liquid-cooled | $23,364.26 |
| Cummins RS60 | 60 kW | Natural Gas / LP Vapor | Liquid-cooled | $27,446.22 |
| Cummins RS80 | 80 kW | Natural Gas / LP Vapor | Liquid-cooled | $35,467.96 |
| Cummins RS100 | 100 kW | Natural Gas / LP Vapor | Liquid-cooled | $41,139.72 |
| Cummins RS125 | 125 kW | Natural Gas / LP Vapor | Liquid-cooled | Quoted per project |
| Cummins RS150 | 150 kW | Natural Gas / LP Vapor | Liquid-cooled | Quoted per project |
Equipment only. Does not include installation, permits, pad, gas work or tax. Prices are subject to change. Models marked “quoted per project” are specified and priced against the individual installation.
Which one fits your house?
Air conditioning drives the answer more than square footage does. The calculator asks six questions and gives you a kilowatt range without asking for your email first.
What it is for
Whole-house backup power, started automatically
The grid goes down and the house stops with it. In Texas that is not an inconvenience for long: in February it is heat and frozen pipes, in August it is air conditioning, and a house without either becomes uninhabitable within hours rather than days.
Why it becomes urgent
Winter storms and the spring severe-weather season take down distribution lines across the Metroplex every year, and summer peak demand on the ERCOT grid has repeatedly produced conservation appeals.
Who buys it
Homeowners who cannot simply leave — small children, someone on medical equipment, a well pump, a home office, or livestock on the property.
These are installed across the Dallas–Fort Worth Metroplex by our own licensed crews — the cities we serve, what installation involves, and a free on-site survey before any number is put in writing.
Related across UTS
- Buying the unit is half of it; our crews install it under the Clements Electric name.Standby generator installation in Dallas-Fort Worth by Clements Electric.
- Our sister company UTS BuildPros builds the facilities that larger units often power.Energy O&M facilities and metal buildings from UTS BuildPros.