Cummins Onan C40/1D6 Specs (Power | Fuel Consumption)

The Cummins Onan C40/1D6 generator is listed with standby output of 42 kW, 50 Hz operation, 7 available voltage configurations, and A (U) / B (V) / C (W).

Cummins Onan Generator Specifications

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

Standby power: 42 kWVoltage options: 7 configurationsDry weight: 2,295 lb (1,041 kg)

Key specifications

42 kW Standby power

7 configurations Voltage options

A (U) / B (V) / C (W) Phase

2,295 lb (1,041 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

18.3 kW

Peer average

20.4 kW

38th percentile

Power output

Low 38 kW High 42 kW

Standby

42 kW

Prime

38 kW

Model spec snapshot

Representative numeric specifications from this generator.

42 kWStandby

2,295.01 lbWeight

How the Cummins Onan C40/1D6 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

42 kW

In line with avg

59th percentile

Dry weight

2,295 lb

5% above avg

58th percentile

Standby power42 kW

Low 30 kWAverage 41.2 kWHigh 55 kW

Very close to the similar-output Cummins Onan average. Around the 59th percentile for this field.

Dry weight2,295 lb

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

About 5% above the similar-output Cummins Onan average. Around the 58th percentile for this field.

This model Peer average

Generator information

Manufacturer	Cummins Onan
Model	C40/1D6
Generator type	Generator
Frequency	50 Hz

Electrical output

Standby power	42 kW
Prime power	38 kW
Standby kVA	53.0
Voltage options	230/400 V, 50 V, 220/380 V, 127/220 V, 277/480 V, 60 V, 255/440 V
Phase	A (U) / B (V) / C (W)

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)
Controller	PowerCommand
Emissions	TIER 1

Physical specifications

Dry weight	2, 295 lb (1, 041 kg)
Dimensions (L × W × H)	75.6 × 41.3 × 59.6 in (1920 × 1050 × 1513 mm)

Battery

Battery group	76

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.