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Cummins 25 kW Generator – RS25 | NG/LPV | Aluminum Enclosure | 120/240V 1Ph
The Cummins RS25 25kW Generator delivers trusted whole-home or light commercial backup power when you need it most. Built for performance in harsh conditions, this generator runs on your choice of natural gas or liquid propane vapor and is designed to meet strict EPA, UL, and seismic compliance standards.
With advanced quiet technology, a weather-resistant aluminum enclosure, and easy maintenance access, the RS25 is engineered for dependable protection and long-term performance.
← Explore all Cummins Generators
🔧 Key Features & Benefits
- Cold-Weather Ready: Starts at temperatures as low as -40°F for year-round reliability.
- Flexible Fuel Use: Field-selectable operation on either natural gas or liquid propane vapor (NG/LPV).
- Quiet Operation: Sound Level 1 aluminum enclosure keeps noise to a minimum—just 69 dB(A) at 23 feet.
- Smart Exercise Mode: Customize automatic run cycles to minimize fuel use and reduce emissions.
- Rugged Design: Wind-rated up to 180 mph and coated for corrosion resistance.
- PowerCommand® Control: Advanced digital controls with auto start/stop, diagnostics, alarms, and remote monitoring compatibility.
- Simple Maintenance: Designed with removable service panels, coolant and oil drain extensions, and clearly marked access points.
- Certified Performance: Meets UL 2200, NFPA 110 (when properly installed), EPA, and IBC seismic requirements.
📐 Technical Specifications
| Model: | RS25 (C25 N6) |
| Rated Output: | 25 kW (Standby) |
| Voltage: | 120/240V Single Phase |
| Rated Amperage: | 104.2A |
| Fuel Type: | Natural Gas / LP Vapor |
| Sound Level: | 69 dB(A) at 23 ft |
| Dimensions (LxWxH): | 72” x 34” x 45.5” |
| Weight: | 1109 lbs (503 kg) |
| Controller: | PowerCommand® 1.1 |
| Starting Voltage: | 12V DC |
⛽ Fuel Consumption
| Load | Natural Gas (ft³/hr) | LP Vapor (gal/hr) |
|---|---|---|
| 25% | 123.8 | 1.4 |
| 50% | 185.7 | 2.1 |
| 75% | 247.6 | 2.8 |
| 100% | 309.5 | 3.5 |
💡 Engine & Control Highlights
- 2.4L naturally aspirated inline 4-cylinder engine
- Cast iron block with spin-on oil filter and oil drain extension
- Electronic governor (isochronous regulation)
- Cooling rated for up to 50°C (122°F) ambient temperatures
- 50 Amp battery charging alternator and 6A charger
🔌 Electrical System
- UL-certified single circuit breaker (right-side mounted)
- English display, right-side control panel
- PowerCommand® 1.1 with auto-shutdown & metering
📦 Included & Optional Accessories
- Included: Generator unit, aluminum enclosure, manuals, shipping pallet
- Available Add-ons: Remote displays (HMI211/HMI220), annunciators, maintenance kits, alternator heaters, sound upgrade kits, battery chargers
- Automatic Transfer Switches (sold separately, UL 1008 listed)
🛡️ Warranty & Support
The RS25 comes standard with a 2-year limited standby warranty. Extended warranties are available. Backed by Cummins’ nationwide dealer network, you’ll have access to expert support, installation help, and service resources wherever you are.
Download the Cummins RS25 25 Kw Generator Manual here
🎥 Cummins RS25 Generator Overview
| Shipping | This item ships to |
 |
Fast Shipping in the USA. Items ship the same or next day We process orders 7 days a week to ensure the fastest shipping possible. All generators are shipped as fast as possible out of several US locations to ensure the fastest delivery. |
|
 |
We Put Our Customers First We have done the research for you to find the best manufacturers with the best warranties. Every unit on our site is covered by a high quality manufacturers warranty. |
|
 |
We offer the absolute lowest price we can offer |
|
 |
We insist that you love our service. If you're unhappy for any reason whatsoever, just let us know and we'll bend over backwards to make things right again. |
|
 |
Ordering from AllProGenerators.com is 100% safe and secure so you can rest easy. Your personal details are never shared, sold or rented to anyone either. |
Description
Cummins 25 kW Generator – RS25 | NG/LPV | Aluminum Enclosure | 120/240V 1Ph
The Cummins RS25 25kW Generator delivers trusted whole-home or light commercial backup power when you need it most. Built for performance in harsh conditions, this generator runs on your choice of natural gas or liquid propane vapor and is designed to meet strict EPA, UL, and seismic compliance standards.
With advanced quiet technology, a weather-resistant aluminum enclosure, and easy maintenance access, the RS25 is engineered for dependable protection and long-term performance.
← Explore all Cummins Generators
🔧 Key Features & Benefits
- Cold-Weather Ready: Starts at temperatures as low as -40°F for year-round reliability.
- Flexible Fuel Use: Field-selectable operation on either natural gas or liquid propane vapor (NG/LPV).
- Quiet Operation: Sound Level 1 aluminum enclosure keeps noise to a minimum—just 69 dB(A) at 23 feet.
- Smart Exercise Mode: Customize automatic run cycles to minimize fuel use and reduce emissions.
- Rugged Design: Wind-rated up to 180 mph and coated for corrosion resistance.
- PowerCommand® Control: Advanced digital controls with auto start/stop, diagnostics, alarms, and remote monitoring compatibility.
- Simple Maintenance: Designed with removable service panels, coolant and oil drain extensions, and clearly marked access points.
- Certified Performance: Meets UL 2200, NFPA 110 (when properly installed), EPA, and IBC seismic requirements.
📐 Technical Specifications
| Model: | RS25 (C25 N6) |
| Rated Output: | 25 kW (Standby) |
| Voltage: | 120/240V Single Phase |
| Rated Amperage: | 104.2A |
| Fuel Type: | Natural Gas / LP Vapor |
| Sound Level: | 69 dB(A) at 23 ft |
| Dimensions (LxWxH): | 72” x 34” x 45.5” |
| Weight: | 1109 lbs (503 kg) |
| Controller: | PowerCommand® 1.1 |
| Starting Voltage: | 12V DC |
⛽ Fuel Consumption
| Load | Natural Gas (ft³/hr) | LP Vapor (gal/hr) |
|---|---|---|
| 25% | 123.8 | 1.4 |
| 50% | 185.7 | 2.1 |
| 75% | 247.6 | 2.8 |
| 100% | 309.5 | 3.5 |
💡 Engine & Control Highlights
- 2.4L naturally aspirated inline 4-cylinder engine
- Cast iron block with spin-on oil filter and oil drain extension
- Electronic governor (isochronous regulation)
- Cooling rated for up to 50°C (122°F) ambient temperatures
- 50 Amp battery charging alternator and 6A charger
🔌 Electrical System
- UL-certified single circuit breaker (right-side mounted)
- English display, right-side control panel
- PowerCommand® 1.1 with auto-shutdown & metering
📦 Included & Optional Accessories
- Included: Generator unit, aluminum enclosure, manuals, shipping pallet
- Available Add-ons: Remote displays (HMI211/HMI220), annunciators, maintenance kits, alternator heaters, sound upgrade kits, battery chargers
- Automatic Transfer Switches (sold separately, UL 1008 listed)
🛡️ Warranty & Support
The RS25 comes standard with a 2-year limited standby warranty. Extended warranties are available. Backed by Cummins’ nationwide dealer network, you’ll have access to expert support, installation help, and service resources wherever you are.
Download the Cummins RS25 25 Kw Generator Manual here
🎥 Cummins RS25 Generator Overview
Shipping
| Shipping | This item ships to |
Delivery
|
Fast Shipping in the USA. Items ship the same or next day We process orders 7 days a week to ensure the fastest shipping possible. All generators are shipped as fast as possible out of several US locations to ensure the fastest delivery. |
|
Why Buy From Us
|
We Put Our Customers First We have done the research for you to find the best manufacturers with the best warranties. Every unit on our site is covered by a high quality manufacturers warranty. |
|
|
We offer the absolute lowest price we can offer |
|
|
We insist that you love our service. If you're unhappy for any reason whatsoever, just let us know and we'll bend over backwards to make things right again. |
|
|
Ordering from AllProGenerators.com is 100% safe and secure so you can rest easy. Your personal details are never shared, sold or rented to anyone either. |
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