Cummins Onan MDDC Specs (Power | Fuel Consumption)

The Cummins Onan MDDC generator is listed with standby output of 40 kW, diesel fuel, 50 Hz operation, 6 available voltage configurations, Single phase, and sound level of 72.0 dBA.

Cummins Onan Generator Specifications

Generator • diesel • 50 Hz • Single phase

Standby power: 40 kWVoltage options: 6 configurationsDry weight: 2,363 lb (1,072 kg)

Key specifications

40 kW Standby power

diesel Fuel

6 configurations Voltage options

Single phase Phase

2,363 lb (1,072 kg) Dry weight

72.0 dBA Sound level

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

16.9 kW

Peer average

20.4 kW

32nd percentile

Model spec snapshot

Representative numeric specifications from this generator.

40 kWStandby

2,363.36 lbWeight

72 dBASound

How the Cummins Onan MDDC 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

40 kW

In line with avg

47th percentile

Dry weight

2,363 lb

8% above avg

72nd percentile

Sound level

72 dBA

In line with avg

70th percentile

Standby power40 kW

Low 30 kWAverage 41.2 kWHigh 55 kW

Very close to the similar-output Cummins Onan average. Around the 47th percentile for this field.

Dry weight2,363 lb

Low 1,120 lbAverage 2,187 lbHigh 3,476 lb

About 8% above the similar-output Cummins Onan average. Around the 72nd percentile for this field.

Sound level72 dBA

Low 68 dBAAverage 72.7 dBAHigh 86.4 dBA

Very close to the similar-output Cummins Onan average. Around the 70th percentile for this field.

This model Peer average

Generator information

Manufacturer	Cummins Onan
Model	MDDC
Generator type	Generator
Fuel	diesel
Frequency	50 Hz

Electrical output

Standby power	40 kW
Standby kVA	40.0
Voltage options	110 V, 220 V, 115 V, 230 V, 120 V, 240 V
Phase	Single phase

Engine, cooling and controls

Emissions	EPA Tier 3

Physical specifications

Dry weight	2, 363 lb (1, 072 kg)
Dimensions (L × W × H)	68.4 × 33.1 × 40.9 in (1738 × 840 × 1039 mm)
Sound level	72.0 dBA

Fuel consumption

Standby	0.3 gal/h (0.8 L/h) @ 0%; 0.4 gal/h (1.0 L/h) @ 1%; 1.3 L/h; 1.7 L/h

Maintenance and service parts

Engine oil	Interval: 4 hr
Fuel filter	Interval: 8 hr

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