Cummins Onan P4500 Specs (Power | Fuel Consumption)

The Cummins Onan P4500 generator is listed with Unleaded Gasoline, 10% Ethanol or less fuel, 60 Hz operation, 120 V output, Single phase, rated current of 37.5 A, and sound level of 52.0 dBA.

Cummins Onan Generator Specifications

Generator • Unleaded Gasoline, 10% Ethanol or less • 60 Hz • Single phase

Voltage options: 120 VRated current: 37.5 ADry weight: 97 lb (44 kg)

Key specifications

Unleaded Gasoline, 10% Ethanol or less Fuel

120 V Voltage options

Single phase Phase

37.5 A Rated current

97 lb (44 kg) Dry weight

52.0 dBA Sound level

60 Hz Frequency

Useful generator charts

Charts are shown only when this model has enough usable source data.

Fuel consumption by load

How fuel use changes as generator load increases.

50% load

0.6 gal/hr

100% load

0.9 gal/hr

Estimated runtime by load

Calculated from the listed 3.4 gal fuel capacity and fuel-consumption data.

50% load

5.6 hr

100% load

3.8 hr

Model spec snapshot

Representative numeric specifications from this generator.

37.5 ACurrent

97 lbWeight

52 dBASound

How the Cummins Onan P4500 compares

This compares the supplied numeric specification with Cummins Onan generators in the same broad standby-power class where enough comparable data exists.

Rated current

38 A

82% below avg

54th percentile

Dry weight

97 lb

99% below avg

4th percentile

Sound level

52 dBA

31% below avg

5th percentile

Oil capacity

0.05 gal

100% below avg

1st percentile

Rated current38 A

Low 6 AAverage 212 AHigh 1,043 A

About 82% below the similar-output Cummins Onan average. Around the 54th percentile for this field.

Dry weight97 lb

Low 71 lbAverage 11,314 lbHigh 61,575 lb

About 99% below the similar-output Cummins Onan average. Around the 4th percentile for this field.

Sound level52 dBA

Low 51 dBAAverage 75.5 dBAHigh 107.4 dBA

About 31% below the similar-output Cummins Onan average. Around the 5th percentile for this field.

Oil capacity0.05 gal

Low 0.16 galAverage 17.18 galHigh 100.39 gal

About 100% below the similar-output Cummins Onan average. Around the 1st percentile for this field.

This model Peer average

Generator information

Manufacturer	Cummins Onan
Model	P4500
Generator type	Generator
Fuel	Unleaded Gasoline, 10% Ethanol or less
Frequency	60 Hz

Electrical output

Prime power	3 kW
Voltage options	120 V
Phase	Single phase
Rated current	37.5 A
Power factor	1
Circuit breaker	30 A

Engine, cooling and controls

Engine model	Cummins/Onan OHV 4-stroke
Engine displacement	14 cu in (0.224 L)
Engine oil capacity	0.17 gal (0.6 L)
Oil capacity	0.05 gal (0.2 L)
Maximum ambient	104 °F (40 °C)
Emissions	EPA, CARB

Physical specifications

Dry weight	97 lb (44 kg)
Dimensions (L × W × H)	24.5 × 18.2 × 20.5 in (622 × 463 × 520 mm)
Sound level	52.0 dBA

Battery

Battery voltage	5 V

Fuel system and runtime

Fuel tank	3.38 gal (12.8 L)
Tank runtime	18 hr

Fuel consumption

Standby	0.6 gal/h (2.27 L/h) @ 50%; 0.9 gal/h (3.41 L/h) @ 100%
Prime	25%; 50%

Maintenance and service parts

Engine oil	Interval: 100 hr; Specification: Check Level, Change; Capacity: 1.16 L
Fuel filter	Interval: 300 hr
Air filter	Interval: 300 hr; Specification: Check, Clean*
Coolant	Specification: Check/Clean

Disclaimer: Specifications should be verified against the official owner’s or service manual and confirmed on the Cummins North America generator website.