Cummins 25kW standby generator, model RS25

Cummins 25kW Standby Generator

Cummins RS25

Brand: Cummins
Equipment Price: starting at $13092

The Cummins RS25 Generator, available through Carolina Energy Systems, is a high-quality standby power generator built for residential and light commercial use. One of Cummins Generators’ most popular models, this generator offers reliable backup power for essential appliances and systems during emergencies, providing homeowners and small businesses with peace of mind. Carolina Energy Systems is proud to offer the Cummins RS25 Generator, ensuring customers have access to a dependable and efficient solution supported by our expertise in power backup systems.

Product Description
  • Durable Product Design and Testing: The generator is engineered to operate effectively even in extreme environmental conditions, including starting in frigid temperatures as low as -40°F. Rigorous testing and certifications have been conducted to meet the latest standards set by EPA, UL, and IBC Seismic guidelines. Additionally, with the right accessories and proper installation, the generator can meet NFPA110 requirements.
  • Flexible Exercise Mode: This innovative generator features a flexible exercise mode, allowing customers to choose their preferred exercise time, frequency, and duration. The exercise can be as brief as 2 minutes every 6 months, reducing unnecessary fuel consumption, emissions, and noise.
  • Advanced Enclosure Design: The generator’s enclosure has been meticulously designed for both functionality and aesthetics. Special designs have been incorporated to make it the quietest generator in its category. Constructed with aluminum material and a durable powder coat paint, it provides excellent anti-corrosion performance. The enclosure has been evaluated to withstand wind loads of up to 180 MPH according to ASCE7-10 standards. Furthermore, the intelligent design includes removable panels and service doors, ensuring easy access for maintenance and service tasks.
  • User-friendly Self Diagnostics and Service: Equipped with Cummins PowerCommand electronic control, the generator offers top-notch self-diagnostic capabilities. Critical components are also designed for swift service and preventive maintenance, enabling quick and efficient maintenance procedures.
Generator Specifications

Natural gas/propane 1800 rpm engine
Engine air cleaner – normal duty
Electronic governor, isochronous
Engine starter, 12 VDC motor
Shutdown – low oil pressure
Extension – oil drain
Engine oil

Fuel system

Single fuel – natural gas or propane vapor, field


60 Hz, 1 phase, 4 lead, or 3 phase, 12 lead, 120ºC
temperature rise at 40ºC ambient
Exciter/voltage regulator – torque match


PowerCommand 1.1
Display language – English
Control mounting, right facing


Single circuit breaker, UL certified, right-side mounted
Battery charging alternator, normal duty
Battery charger – 6 Amp, regulated


Generator set cooling capability – 50ºC
Shutdown – low coolant level
Engine coolant – 50/50 mixture
Extension – coolant drain


Aluminum enclosure Sound Level 1 with muffler
installed, sandstone color
Wind rating – 180 MPH

Code Compliance

UL 2200
EPA emissions, emergency, stationary, 40CFR60
IBC Seismic
NFPA110 capable

Generator set application

Coolant heater
Crank case vent heater
Large battery rack
Flexible fuel line
Literature (English) – operator’s manual, installation
quick guide and manual, service manual


Base warranty – 2 year standby
Extended warranties available


Shipping pallet, poly bag

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