Click Here to login for wholesale pricing
If you would like to apply for an account with us, please click here.
Onan P2500I GENERATOR
Item # 4035502
Mfg No: A074Z433 P2500I
Mfg: Onan
manufacture logo

Product Overview

The Cummins Onan P2500i Portable Inverter Generator, part number A074Z433, delivers clean, portable 120V power for RV, camping, mobile work, and outdoor recreation applications. Its inverter design provides stable power output suitable for sensitive electronic equipment while maintaining a compact, easy-to-transport form factor.

With 2,500 maximum watts and 2,200 running watts, the P2500i is a practical power solution for customers needing dependable portable electricity for RV accessories, appliances, battery charging, lighting, and recreational equipment.

Key Features

  • 2,500 maximum watts and 2,200 running watts.
  • 120V inverter-generator output designed to provide clean, stable power.
  • Integrated RV-ready 30-amp receptacle for compatible RV power connections.
  • Compact portable design for travel, outdoor use, and jobsite transport.
  • Quiet operation, rated as low as 52 dBA at 25% load.
  • Fuel-efficient operation with up to 10 hours of runtime at 25% load.
  • Parallel-capable design for increased available power when connected to another compatible P2500i generator.
  • Gasoline-powered engine with a 1.0-gallon fuel tank.

Benefits

  • Provides reliable portable power for customers who do not want to rely solely on campground, shore-power, or utility connections.
  • Supports common RV and outdoor power requirements without the size and weight of a larger conventional generator.
  • Inverter power is well suited for charging electronics and powering sensitive devices.
  • RV-ready outlet simplifies connection to compatible RV electrical systems.
  • Quiet, efficient operation helps improve the camping and outdoor experience.
  • Parallel capability gives customers a scalable power option when their needs increase.

Common Applications

  • RV camping and travel trailer power support.
  • Tailgating, outdoor events, and recreational gatherings.
  • Portable power for lighting, battery chargers, small appliances, and electronics.
  • Remote work areas and light-duty mobile service applications.
  • Emergency backup power for selected portable electrical loads.

Product Dimensions

  • Length: 19.7 inches
  • Width: 14.8 inches
  • Height: 18.4 inches
  • Dry Weight: Approximately 48 pounds

Product Compatibility

The Onan P2500i is intended for 120V portable-power applications. Its RV-ready 30-amp receptacle can be used with compatible RVs, travel trailers, and campers equipped for a 120V 30-amp generator or shore-power connection.

No vehicle- or truck-specific fitment is published for this generator. Customers should confirm their RV electrical service requirements, power demand, inlet configuration, and local operating requirements before purchase.

Technical Specifications

  • Manufacturer: Cummins Onan
  • Part Number: A074Z433
  • Model: P2500i
  • Maximum Output: 2,500 watts
  • Rated Running Output: 2,200 watts
  • Rated Voltage: 120V AC
  • Frequency: 60 Hz
  • Fuel Type: Gasoline
  • Fuel Tank Capacity: 1.0 gallon
  • Runtime: Up to 10 hours at 25% load
  • Noise Level: As low as 52 dBA at 25% load
  • Engine Displacement: 79.7 cc

Instruction Information

Follow the Cummins Onan P2500i operators manual for pre-operation inspection, engine oil requirements, fueling, grounding, startup, shutdown, maintenance, storage, and safe operating procedures. Operate the generator outdoors only in a well-ventilated area and away from windows, doors, vents, and occupied spaces.

Additional Parts That May Be Required

  • A compatible RV power cord or adapter may be required, depending on the RV inlet and connection configuration.
  • A parallel cable kit may be required when connecting two compatible P2500i generators for increased output.
  • Engine oil and approved gasoline are required for operation.