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Cummins Onan C45D5 Specs (Power | Fuel Consumption)

The Cummins Onan C45D5 generator is listed with standby output of 34 kW, Diesel fuel, 50 Hz operation, 4 available voltage configurations, and A (U) / B (V) / C (W).

Cummins Onan Generator Specifications

Generator • Diesel • 50 Hz • A (U) / B (V) / C (W)

Standby power: 34 kWVoltage options: 4 configurationsDry weight: 2,359 lb (1,070 kg)

Key specifications

34 kW Standby power
Diesel Fuel
4 configurations Voltage options
A (U) / B (V) / C (W) Phase
2,359 lb (1,070 kg) Dry weight
50 Hz Frequency

Useful generator charts

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

Power-to-weight
Standby output per 1,000 lb of dry weight versus similar-output Cummins Onan models.
This model

14.4 kW

Peer average

20.4 kW

15th percentile
Power output
Low 31 kW High 34 kW
Standby

34 kW

Prime

31 kW

Model spec snapshot
Representative numeric specifications from this generator.
34 kWStandby
2,358.95 lbWeight

How the Cummins Onan C45D5 compares

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

Standby power
34 kW
17% below avg
17th percentile
Dry weight
2,359 lb
8% above avg
68th percentile
Oil capacity
2.88 gal
13% above avg
50th percentile
Standby power34 kW
Low 30 kWAverage 41.2 kWHigh 55 kW

About 17% below the similar-output Cummins Onan average. Around the 17th percentile for this field.

Dry weight2,359 lb
Low 1,120 lbAverage 2,187 lbHigh 3,476 lb

About 8% above the similar-output Cummins Onan average. Around the 68th percentile for this field.

Oil capacity2.88 gal
Low 1.14 galAverage 2.54 galHigh 4.06 gal

About 13% above the similar-output Cummins Onan average. Around the 50th percentile for this field.

This model Peer average

Generator information

Manufacturer Cummins Onan
Model C45D5
Generator type Generator
Fuel Diesel
Frequency 50 Hz

Electrical output

Standby power 34 kW
Prime power 31 kW
Standby kVA 42.0
Voltage options 50 V, 480/277 V, 380/220 V, 220/127 V
Phase A (U) / B (V) / C (W)
Power factor 0.8

Engine, cooling and controls

Engine model Cummins/Onan 4B3.9-G2
Engine displacement 238 cu in (3.9 L)
Aspiration / cooling Natural
Rated engine speed 1500 rpm
Engine coolant capacity 4.57 gal (17.3 L)
Oil capacity 2.88 gal (10.9 L)
Coolant capacity 1.9 gal (7.2 L)
Maximum ambient 81 °F (27 °C)
Controller PowerCommand
Emissions TIER 1

Physical specifications

Dry weight 2, 359 lb (1, 070 kg)
Dimensions (L × W × H) 107.5 × 42.9 × 73.4 in (2730 × 1090 × 1865 mm)

Battery

Battery quantity 1

Fuel system and runtime

Fuel tank 52.8 gal (200 L)

Fuel consumption

Standby 10 L/h @ 0%
Prime 9 L/h @ 0%

Maintenance and service parts

Engine oil Specification: Lubrication system oil capacity; Capacity: 10.9 l
Oil filter Specification: Oil and fuel filter fitted, water separator.
Air filter Specification: Normal duty air filter.
Coolant Specification: Cooling system: IC 01, coolant capacity (only engine): 7.2 litros, coolant capacity (engine and radiator): 17.3 liters.; Capacity: 17.3 l

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

Ernie Lo

Ernie Lo is a qualified web designer and web developer. He works as an IT support technician and website manager at Benleigh Vending, and he also fixes vending machines.

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