Caterpillar C4.4 Specs (Power | Consumption)

The Caterpillar C4.4 generator is listed with standby output of 40 kW, Diesel fuel, 50 Hz operation, 400 V output, and Three phase.

Caterpillar Generator Specifications

Generator • Diesel • 50 Hz • Three phase

Standby power: 40 kWVoltage options: 400 VDry weight: 2,269 lb (1,029 kg)

Key specifications

40 kW Standby power

Diesel Fuel

400 V Voltage options

Three phase Phase

2,269 lb (1,029 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 compared with a fixed industry reference for this output class.

This model

17.6 kW

Typical reference

34 kW

Low for this output class

Power output

Low 36 kW High 40 kW

Standby

40 kW

Prime

36 kW

Model spec snapshot

Representative numeric specifications from this generator.

40 kWStandby

2,268.56 lbWeight

How the Caterpillar C4.4 compares

Low, Typical and High are fixed generator-industry reference bands set by standby-output class. They do not change based on the models contained in this CSV.

Standby power

40 kW

Typical range

Typical: 45 kW

Dry weight

2,269 lb

Typical range

Typical: 1,598 lb

Oil capacity

0.59 gal

Low range

Typical: 2.91 gal

Standby power40 kW · Typical

Low 30 kWTypical 45 kWHigh 60 kW

Falls within the typical industry reference range for generators in this standby-output class.

Dry weight2,269 lb · Typical

Low 794 lbTypical 1,598 lbHigh 2,998 lb

Falls within the typical industry reference range for generators in this standby-output class.

Oil capacity0.59 gal · Low

Low 1.32 galTypical 2.91 galHigh 5.81 gal

Falls toward the low end of the fixed industry reference range for generators in this standby-output class.

This model Typical industry reference

Generator information

Manufacturer	Caterpillar
Model	C4.4
Generator type	Generator
Fuel	Diesel
Frequency	50 Hz

Electrical output

Standby power	40 kW
Prime power	36 kW
Standby kVA	90.0
Voltage options	400 V
Phase	Three phase
Power factor	0.8

Engine, cooling and controls

Engine model	Caterpillar C4.4 DITA
Engine displacement	269 cu in (4.4 L)
Aspiration / cooling	Turbocharged
Rated engine speed	1500 rpm
Oil capacity	0.59 gal (2.2 L)
Coolant capacity	1.15 gal (4.4 L)
Maximum ambient	122 °F (50 °C)
Controller	Premium
Alternator	Caterpillar AREP

Physical specifications

Dry weight	2, 269 lb (1, 029 kg)
Dimensions (L × W × H)	56 × 27.6 × 15.7 in (1422 × 700 × 398 mm)

Fuel system and runtime

Fuel tank	66 gal (250 L)

Fuel consumption

Standby	6.8 gal/h (25.8 L/h) @ 100%
Prime	7.32 gal/h (27.7 L/h) @ 100%; 6.5 gal/h (24.6 L/h)

Maintenance and service parts

Engine oil	Interval: 500 hr; Specification: Lubricating oil, oil filter (LH), dipstick (LH), fumes disposal (closed system)
Oil filter	Specification: Oil filter (LH)
Fuel filter	Specification: Primary fuel filter/water separator with NPT and BSP connectors (ship loose), secondary fuel filter (LH)
Air filter	Specification: Air cleaner, single element canister type with service indicator and rain cap; dry insulated turbocharger; air-to-air charge cooler; glowplug cold start system
Coolant	Specification: Caterpillar® Extended Life Coolant

Disclaimer: Specifications should be verified against the official owner’s or service manual and confirmed on the Caterpillar USA website.