HomeCaterpillarCaterpillar XQ35

Caterpillar XQ35 Generator Set

The Caterpillar XQ35 is a 30 kW (37.5 kVA) Diesel standby generator set powered by a Caterpillar C2.2 T engine. It is available at 480/277 V, 208/120 V, 240/120 V and 600/349 V, single-phase and 60 Hz. It holds about 10.6 L (2.8 gal) of oil and 9.9 L (2.6 gal) of coolant, with a maximum ambient rating of 43 °C. Starting uses 1 battery rated 850 CCA at 12 V. The set measures 2318×1050×1617 mm (91.3×41.3×63.7 in), weighs about 1003 kg (2211 lb) and produces 63 dBA at 7 m. An integrated tank holds 208 L (54.9 gal). The same C2.2 T engine also powers generator sets from Atlas Copco.

30 kW
Standby
2.2 L
Displacement
10.6 L
Oil capacity
1
Document types

How to read your Caterpillar serial & model number →

Typical fuel consumption for 30–35 kW Diesel generators →

Compare with other 30–35 kW Diesel generators →

Service parts for the XQ35

Grouped by system, with how many of each the parts manual calls for.

Air intake

1 required

Fuel system

1 required

Oil system

1 required

Prices captured from merchant listings; some links are affiliate links. Confirm against your serial number before ordering.

Specifications

FuelDiesel
Frequency60.0 Hz
Standby power30 kW
Standby kVA37
Prime power27 kW
EmissionsTier 4 Final
ControllerDigital EMCP4.2B set mounted, EMCP 4.2B
Oil capacity10.6 L
AlternatorLC Series
Voltage options120 V, 600 V
Phase3-phase, single phase
Power factor0.8
Circuit breaker125 A
Battery cranking850 CCA
Battery voltage12V V
Battery quantity1
Coolant capacity9.9 L
Max ambient43 °C
Dimensions (L×W×H)2318×1050×1617 mm
Dry weight1003 kg
Sound level63.0 dBA @ 7 m
Fuel tank208.0 L

Engine

Caterpillar C2.2 T
Oil capacity10.0 L
Coolant capacity10.0 L
Displacement2.2 L
AspirationATAAC
Rated speed1800 rpm

Maintenance & consumables

for the Caterpillar C2.2 T
ItemSpecCapacityPart #Interval
Air filter23101671000 hr eBay $27.50 KuduParts $30.00
Fuel filter1561200500 hr eBay $22.99 FridayParts $14.99
Oil filter22015231000 hr Amazon Amazon $26.99 eBay $21.56 eBay $21.56 KuduParts $18.00
BatteryBattery
BeltBelt1000 hr
CoolantCoolant9.9 L
OilEngine oil10.6 L500 hr
Spark plugSpark plug1000 hr

Common questions

How many kW is the Caterpillar XQ35?

The Caterpillar XQ35 is rated 30 kW standby (37.5 kVA).

What engine is in the Caterpillar XQ35?

The Caterpillar XQ35 is powered by the Caterpillar C2.2 T engine.

What fuel does the Caterpillar XQ35 use?

The Caterpillar XQ35 runs on Diesel.

How much oil does the Caterpillar XQ35 take?

The Caterpillar C2.2 T engine in the Caterpillar XQ35 has an oil capacity of 10.0 liters.

What alternator does the Caterpillar XQ35 use?

The Caterpillar XQ35 uses a LC Series alternator.

What oil filter does the Caterpillar XQ35 use?

The Caterpillar XQ35 uses oil filter part number 2201523.

What fuel filter does the Caterpillar XQ35 use?

The Caterpillar XQ35 uses fuel filter part number 1561200.

What air filter fits the Caterpillar XQ35?

The Caterpillar XQ35 uses air filter part number 2310167.

Parts

1
Part #DescriptionQtySystem
AEHQ5900-01Air Cleaner, Dual Element, Radial SealAir filter Amazon

Service, wear & replacement parts referenced for this model and its engine — confirm the exact part for your serial number. See the full parts catalog to search and cross-reference.

Fuel consumption

RatingLoadL/hgal/h
Prime50%4.323.17
Prime75%6.845.12
Prime100%8.726.53
Standby50%4.613.42
Standby75%7.425.48
Standby100%9.867.35

Available documents

Spec sheet — XQ-Range-Flyer-1 (Caterpillar)Spec sheet — XQ35-CM20160127 (Caterpillar)Spec sheet — XQ35-Spec-Sheet (Caterpillar)Spec sheet — XQ35KVA 1 (Caterpillar)
Full service, cheapest listings

Priced items from this model's own parts manual.

Air filter 2310167$27.50
Fuel filter 1561200$22.99
Oil filter 2201523$21.56
3 priced items$72.05