Caterpillar XQ800 Specs (Power | Consumption)

The Caterpillar XQ800 generator is listed with standby output of 800 kW, Diesel fuel, 50 Hz operation, 3 available voltage configurations, Three phase, and sound level of 71 dBA @ 23 ft (7 m).

Caterpillar Generator Specifications

Generator • Diesel • 50 Hz • Three phase

Standby power: 800 kWVoltage options: 3 configurationsDry weight: 35,558 lb (16,129 kg)

Key specifications

800 kW Standby power

Diesel Fuel

3 configurations Voltage options

Three phase Phase

35,558 lb (16,129 kg) Dry weight

71 dBA @ 23 ft (7 m) 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 compared with a fixed industry reference for this output class.

This model

22.5 kW

Typical reference

47 kW

Low for this output class

Power output

Low 725 kW High 800 kW

Standby

800 kW

Prime

725 kW

Model spec snapshot

Representative numeric specifications from this generator.

800 kWStandby

35,558.36 lbWeight

71 dBASound

How the Caterpillar XQ800 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

800 kW

Typical range

Typical: 700 kW

Dry weight

35,558 lb

High range

Typical: 14,991 lb

Sound level

71 dBA

Low range

Typical: 77 dBA

Oil capacity

26.15 gal

Typical range

Typical: 23.78 gal

Standby power800 kW · Typical

Low 400 kWTypical 700 kWHigh 1,000 kW

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

Dry weight35,558 lb · High

Low 7,011 lbTypical 14,991 lbHigh 27,999 lb

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

Sound level71 dBA · Low

Low 66 dBATypical 77 dBAHigh 88 dBA

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

Oil capacity26.15 gal · Typical

Low 10.57 galTypical 23.78 galHigh 59.44 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	XQ800
Generator type	Generator
Fuel	Diesel
Frequency	50 Hz

Electrical output

Standby power	800 kW
Prime power	725 kW
Voltage options	480/277 V, 240/139 V, 208/120 V
Phase	Three phase
Circuit breaker	3000 A

Engine, cooling and controls

Engine model	Caterpillar C27 ATAAC
Engine displacement	1, 649 cu in (27.03 L)
Aspiration / cooling	TA
Rated engine speed	1800 rpm
Engine oil capacity	25.1 gal (95 L)
Engine coolant capacity	29.1 gal (110 L)
Oil capacity	26.2 gal (99 L)
Coolant capacity	26.6 gal (100.7 L)
Maximum ambient	109 °F (43 °C)
Controller	EMCP 4.4
Alternator	Caterpillar SR4B
Emissions	EPA Tier 4 Interim

Physical specifications

Dry weight	35, 558 lb (16, 129 kg)
Dimensions (L × W × H)	360 × 96 × 114 in (9144 × 2438 × 2896 mm)
Sound level	71 dBA @ 23 ft (7 m)

Battery

Battery quantity	2

Fuel system and runtime

Fuel tank	1, 249.5 gal (4, 730 L)
Tank runtime	28 hr

Fuel consumption

Prime	9.8 L/h @ 50%; 14.3 L/h @ 60%; 28.0 L/h @ 75%; 100%

Maintenance and service parts

Engine oil	Interval: 500 hr; Specification: Lubricating oil system including pump, integral oil cooler, lube oil, filter, filtered crankcase breather system and oil drain line with internal valve routed to connection point accessible from exterior; Capacity: 99.0 L
Oil filter	Part number: 2P4005; Specification: Duplex primary with integral water separator and change-over valve, engine mounted secondary filter

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