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Caterpillar XQ30 Generator Set

The Caterpillar XQ30 is a 30 kW (37.5 kVA) diesel standby generator set. It is available at 208/120 V, 480/277 V and 240/120 V, 3-phase, 60 Hz and rated 37.5 A. It holds about 10.6 L (2.8 gal) of oil and 12.7 L (3.4 gal) of coolant, with a maximum ambient rating of 49 °C. Starting uses 1 group-880 battery rated 880 CCA at 12 V. The set measures 2328×1161×1577 mm (91.7×45.7×62.1 in), weighs about 1500 kg (3307 lb) and produces 60.3 dBA at 7 m. An integrated tank holds 291 L (76.9 gal), roughly 33 hours of runtime.

30 kW
Standby
10.6 L
Oil capacity
3
Document types

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Typical fuel consumption for 30–35 kW Diesel generators →

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Specifications

Fueldiesel
Frequency60.0 Hz
Standby power30 kW
Standby kVA37
Prime power27 kW
EmissionsEPA Tier 4 Interim
ControllerElectronic
Oil capacity10.6 L
AlternatorC2.2 (2-pole, Class H insulation)
Voltage options208/120 V, 480/277 V, 240/120 V
Phase3-phase
Rated current37.5 A
Power factor0.8
Circuit breaker37.5 A
Battery group880CCA
Battery cranking880 CCA
Battery voltage12 V
Battery quantity1
Coolant capacity12.7 L
Max ambient49 °C
Dimensions (L×W×H)2328×1161×1577 mm
Dry weight1500 kg
Sound level60.3 dBA @ 7 m
Fuel tank291.0 L
Tank runtime33 hr

Filters & service parts

model family
ItemSpecCapacityPart #Interval
OilAPI CF-4—

Compiled from this model's family documentation — may include parts for closely-related variants. Confirm the exact part for your serial number.

Common questions

What size generator is the Caterpillar XQ30?

The Caterpillar XQ30 is rated 30 kW standby (37.5 kVA).

What fuel does the Caterpillar XQ30 use?

The Caterpillar XQ30 runs on diesel.

What is the coolant capacity of the Caterpillar XQ30?

The Caterpillar XQ30 cooling system holds 12.7 liters (3.4 US gallons) for the radiator system including the engine, per the manufacturer specification sheet.

How much oil does the Caterpillar XQ30 take?

The Caterpillar XQ30 has an engine oil capacity of 10.6 liters (11.2 US quarts), per the manufacturer specification sheet.

What is the prime power rating of the Caterpillar XQ30?

The Caterpillar XQ30 is rated 27 kW prime (33 kVA), against 30 kW standby.

How loud is the Caterpillar XQ30?

The Caterpillar XQ30 is rated at 60.3 dBA at 7 m, per the manufacturer specification sheet.

What is the dry weight of the Caterpillar XQ30?

The Caterpillar XQ30 has a dry weight of 1500 kg (3306 lb).

How big is the fuel tank on the Caterpillar XQ30?

The Caterpillar XQ30 has a 291 liter (77 US gallon) fuel tank, giving about 33 hours of runtime.

What voltage does the Caterpillar XQ30 produce?

The Caterpillar XQ30 is offered in 208/120 V, 480/277 V, 240/120 V, 3-phase-phase.

What size battery does the Caterpillar XQ30 need?

The Caterpillar XQ30 uses 1 battery, 12 V each, 880 CCA, group 880CCA, per the manufacturer specification sheet.

What alternator does the Caterpillar XQ30 use?

The Caterpillar XQ30 uses a C2.2 alternator. It has 2 poles. Insulation class H.

Fuel consumption

RatingLoadL/hgal/h
Prime50%4.81.3
Prime75%6.51.7
Prime100%8.82.3
Standby50%5.11.4
Standby75%7.21.9
Standby100%10.02.6

Available documents

Spec sheet — LEHX0082-02 (Caterpillar)Reference — LEHE7009-03 (Caterpillar)Parts manual — LEXE7582-02 (Caterpillar)

This page was generated from the 3 manufacturer documents above by automated extraction; every figure shown is copied from one of them. How the data is compiled.