Cummins Onan 2500 Watt Propane CARB-Compliant RV Generator – A074X612

Cummins Onan QG 2500 LP RV Generator | Model 2.5HGLAA-8310 | Item A074X612 | 2.5kW | 120V | Propane

The Cummins Onan QG 2500 LP RV Generator (Model 2.5HGLAA-8310, Item A074X612) delivers dependable onboard power for travel trailers, truck campers, compact motorhomes, and other recreational vehicles that require a compact, permanently installed propane generator. Producing 2,500 watts of reliable 120-volt power, this CARB-compliant generator is designed to provide quiet operation, dependable starting, and long-lasting performance wherever your travels take you.

Powered by liquid propane (LP vapor), the QG 2500 LP integrates directly with your RV's existing propane system, eliminating the need to carry separate gasoline containers while providing a cleaner-burning fuel source with excellent long-term storage stability. Whether you're camping off-grid, traveling through national parks, or staying overnight without shore power, the Cummins Onan QG 2500 LP delivers dependable electricity for your essential RV systems.

Its compact design makes the QG 2500 LP an excellent solution for RVs with limited installation space while still providing enough power to operate air conditioning (application dependent), battery chargers, lighting, refrigerators, televisions, kitchen appliances, and other onboard electrical equipment. Backed by decades of Cummins Onan engineering, the QG 2500 LP remains one of the industry's most trusted compact RV generators.

Key Features

• 2,500 watts (2.5kW) continuous power output
• 120V single-phase electrical output
• 60 Hz operation
• Propane (LP vapor) fuel system
• CARB-compliant emissions
• Designed specifically for permanently installed RV applications
• Compact footprint for space-conscious installations
• Quiet operation with sound-attenuated enclosure
• Excellent fuel efficiency
• Dependable electric starting system
• Stable electrical output for sensitive electronics
• Ideal replacement for compatible Onan LP generators
• Built by Cummins Onan, a leader in RV power generation

Technical Specifications

• Manufacturer: Cummins Onan
• Series: QG 2500 LP
• Item Number: A074X612
• Model Number: 2.5HGLAA-8310
• Running Wattage: 2,500 Watts (2.5kW)
• Voltage: 120V
• Frequency: 60 Hz
• Phase: Single Phase
• Fuel Type: Propane (LP Vapor)
• Application: Permanently Installed RV Generator
• Emissions: CARB Compliant
• Starting System: Electric Start

What Can the QG 2500 LP Power?

With 2,500 watts of dependable output, the Cummins Onan QG 2500 LP is capable of powering many of the essential electrical systems found in today's RVs, including:

• One RV air conditioner (application dependent)
• RV refrigerator
• Microwave oven
• Coffee maker
• Television and entertainment systems
• Battery chargers and converters
• Interior and exterior LED lighting
• Laptop computers and mobile devices
• Water pump
• Small kitchen appliances
• Medical equipment
• Other everyday RV electrical loads

Ideal Applications

• Travel trailers
• Truck campers
• Compact Class C motorhomes
• Small Class A motorhomes
• Fifth wheels
• Toy haulers
• Horse trailers with living quarters
• Off-grid camping
• Boondocking adventures
• National park travel
• Weekend camping trips
• Replacement generator installations

Why Choose the Cummins Onan QG 2500 LP?

The Cummins Onan QG 2500 LP is designed for RV owners who need dependable onboard power while maximizing valuable storage and installation space. Its compact design allows installation in smaller RV compartments without sacrificing the quality and reliability expected from a Cummins Onan generator.

Using propane as its fuel source provides excellent storage stability and allows the generator to operate from the same LP system already used by many RV appliances. This simplifies fuel management while providing dependable electrical power wherever shore power is unavailable.

Whether replacing an aging generator or installing power in a new RV, the Cummins Onan QG 2500 LP delivers the quiet operation, dependable performance, and proven reliability that have made Cummins Onan the industry leader in onboard RV generators.

Why Choose a Propane RV Generator?

Propane generators offer clean-burning operation, excellent long-term fuel storage, and convenient integration with existing RV propane systems. Because propane does not degrade like gasoline during storage, many RV owners choose LP-powered generators for seasonal camping, extended travel, and dependable standby power while off-grid.

Replacement Generator Information

The Cummins Onan QG 2500 LP (Model 2.5HGLAA-8310, Item A074X612) is commonly selected as a replacement generator for compatible propane-powered RVs originally equipped with a Cummins Onan LP generator. Always verify mounting dimensions, propane connections, exhaust routing, electrical requirements, and application compatibility before replacing an existing generator.

What's Included

• Cummins Onan QG 2500 LP RV Generator
• Model 2.5HGLAA-8310
• Item Number A074X612
• Installation documentation
• Operator's manual
• Cummins manufacturer's warranty

Frequently Asked Questions

Does the QG 2500 LP run on gasoline?

No. The Cummins Onan QG 2500 LP is designed to operate exclusively on propane (LP vapor).

Can it connect to my RV's existing propane tanks?

Yes. Most installations utilize the RV's existing propane system. Always verify compatibility and installation requirements before installation.

What does LP vapor mean?

LP vapor refers to propane supplied in vapor form from the RV's propane system rather than gasoline or diesel fuel.

Can the QG 2500 LP run an RV air conditioner?

Yes. In many applications, the generator can power one RV air conditioner along with additional electrical loads depending on startup requirements and total power demand.

Is this generator CARB compliant?

Yes. The A074X612 is CARB compliant, making it suitable for applications requiring California emissions compliance.

Can it power sensitive electronics?

Yes. The generator provides stable electrical output suitable for battery chargers, televisions, computers, and many other electronic devices when properly installed.

Is this a good replacement generator?

Yes. The QG 2500 LP is commonly used as a replacement for compatible Cummins Onan propane-powered RV generators. Always verify installation compatibility before ordering.

Why choose propane instead of gasoline?

Propane offers cleaner combustion, excellent long-term fuel storage, reduced fuel maintenance, and convenient integration with many RV propane systems.

Is professional installation recommended?

Yes. Professional installation is recommended to ensure proper propane connections, ventilation, exhaust routing, electrical integration, and safe operation.

Who is the QG 2500 LP best suited for?

The Cummins Onan QG 2500 LP is ideal for travel trailer owners, truck camper owners, compact motorhome owners, fifth wheel owners, and RV travelers looking for a compact, dependable, permanently installed propane generator.