Caterpillar XQ400 Specs (Power | Consumption)

The Caterpillar XQ400 generator is listed with standby output of 365 kW, 60 Hz operation, 240 V, 480 V output, Three phase, and sound level of 75.3 dBA @ 75 ft (23 m).

Caterpillar Generator Specifications

Generator • 60 Hz • Three phase

Standby power: 365 kWVoltage options: 240 V, 480 VDry weight: 16,799 lb (7,620 kg)

Key specifications

365 kW Standby power

240 V, 480 V Voltage options

Three phase Phase

16,799 lb (7,620 kg) Dry weight

75.3 dBA @ 75 ft (23 m) Sound level

60 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

21.7 kW

Typical reference

43 kW

Low for this output class

Model spec snapshot

Representative numeric specifications from this generator.

365 kWStandby

16,799.22 lbWeight

75.35 dBASound

How the Caterpillar XQ400 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

365 kW

High range

Typical: 275 kW

Dry weight

16,799 lb

High range

Typical: 7,011 lb

Sound level

75.3 dBA

Typical range

Typical: 75 dBA

Oil capacity

10.04 gal

Typical range

Typical: 11.89 gal

Standby power365 kW · High

Low 150 kWTypical 275 kWHigh 400 kW

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

Dry weight16,799 lb · High

Low 2,998 lbTypical 7,011 lbHigh 13,999 lb

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

Sound level75.3 dBA · Typical

Low 64 dBATypical 75 dBAHigh 86 dBA

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

Oil capacity10.04 gal · Typical

Low 4.76 galTypical 11.89 galHigh 30.38 gal

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

This model Typical industry reference

Generator information

Manufacturer	Caterpillar
Model	XQ400
Generator type	Generator
Frequency	60 Hz

Electrical output

Standby power	365 kW
Voltage options	240 V, 480 V
Phase	Three phase
Circuit breaker	1600 A

Engine, cooling and controls

Engine model	Caterpillar 3456 ATAAC
Engine displacement	964 cu in (15.8 L)
Aspiration / cooling	turbocharged-ataac
Rated engine speed	1800 rpm
Engine oil capacity	10 gal (38 L)
Engine coolant capacity	16.9 gal (64 L)
Oil capacity	10 gal (38 L)
Coolant capacity	16.9 gal (64 L)
Alternator	Caterpillar SR4B

Physical specifications

Dry weight	16, 799 lb (7, 620 kg)
Dimensions (L × W × H)	200 × 61 × 111.3 in (5080 × 1549 × 2827 mm)
Sound level	75.3 dBA @ 75 ft (23 m)

Fuel system and runtime

Fuel tank	470.2 gal (1, 780 L)
Tank runtime	24 hr

Fuel consumption

Standby	29.0 gal/h (109.8 L/h)
Prime	19.6 gal/h (74.1 L/h) @ 75%

Maintenance and service parts

Engine oil	Interval: 500 hr; Specification: Engine lube oil capacity
Oil filter	Interval: 1200 hr
Air filter	Part number: 1063973; Interval: 5000 hr
Coolant	Specification: Cooling System

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