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Home›Caterpillar›Caterpillar C4.4

Caterpillar C4.4 Generator Set

The Caterpillar C4.4 is a 40 kW (90 kVA) Diesel standby generator set powered by a Caterpillar C4.4 DITA engine. It is available at 400 V, 3-phase and 50 Hz. It holds about 2.25 L (0.6 gal) of oil and 4.36 L (1.2 gal) of coolant, with a maximum ambient rating of 50 °C. The set measures 1422×700×398 mm (56.0×27.6×15.7 in) and weighs about 1029 kg (2269 lb). An integrated tank holds 250 L (66.0 gal).

40 kW
Standby
4.4 L
Displacement
2.25 L
Oil capacity
5
Document types

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Compare with other 40–45 kW Diesel generators →

Specifications

FuelDiesel
Frequency50.0 Hz
Standby power40 kW
Standby kVA90
Prime power36 kW
ControllerPremium
Oil capacity2.25 L
AlternatorCaterpillar AREP
Voltage options400 V
Phase3-Phase
Power factor0.8
Coolant capacity4.36 L
Max ambient50 °C
Dimensions (L×W×H)1422×700×398 mm
Dry weight1029 kg
Fuel tank250.0 L

Engine

Caterpillar C4.4 DITA
Displacement4.4 L
AspirationTurbocharged
Rated speed1500 rpm

Maintenance & consumables

for the Caterpillar C4.4 DITA
ItemSpecCapacityPart #Interval
Air filterAir cleaner, single element canister type with service indicator and rain cap; dry insulated turbocharger; air-to-air charge cooler; glowplug cold start system— find
Fuel filterPrimary fuel filter/water separator with NPT and BSP connectors (ship loose), secondary fuel filter (LH)— find
Oil filterOil filter (LH)— find
BeltN/A— find
CoolantCaterpillar® Extended Life Coolant—
OilLubricating oil, oil filter (LH), dipstick (LH), fumes disposal (closed system)—500 hr

Common questions

What is the power rating of the Caterpillar C4.4?

The Caterpillar C4.4 is rated 40 kW standby (90.0 kVA).

What engine does the Caterpillar C4.4 use?

The Caterpillar C4.4 is powered by the Caterpillar C4.4 DITA engine.

What fuel does the Caterpillar C4.4 use?

The Caterpillar C4.4 runs on Diesel.

What alternator does the Caterpillar C4.4 use?

The Caterpillar C4.4 uses a Caterpillar AREP alternator.

Parts

51
Part #DescriptionQtySystem
033-7854Fuel Filter1Fuel filter PartsGeek
108-8611Cat Generator Set Grease1Fluid PartsGeek
110-6326Primary air filter1Air filter PartsGeek FridayParts $149.99
123-2367Primary air filter1Air filter PartsGeek FridayParts $32.00
130-4678Air Primary Filter1Air filter PartsGeek FridayParts $46.99
130-4679Air Secondary Filter1Air filter PartsGeek
160-7163Air Filter1Air filter PartsGeek
197-8561Air filter2Air filter PartsGeek
198-5314Air Primary Filter1Air filter PartsGeek
1R-1803Fuel - FWS Filter1Fuel filter PartsGeek
1R-1804Fuel/Water separator filter2Fuel filter PartsGeek FridayParts $182.00
206-5234Air Primary Filter1Air filter PartsGeek FridayParts $40.50
206-6910Fuel Filter1Fuel filter PartsGeek
210-6712Fuel Filter1Fuel filter PartsGeek
210-6787Fuel Filter1Fuel filter PartsGeek
220-1523Engine Oil Filter1Oil filter PartsGeek FridayParts $155.00
244-0514Air filter1Air filter PartsGeek
246-5011Air Filter1Air filter PartsGeek FridayParts $24.99
247-1378Air filter4Air filter PartsGeek
247-1380Air Filter1Air filter PartsGeek
258-8538Fuel Filter1Fuel filter PartsGeek
263-0544Air filter1Air filter PartsGeek
263-1285Air Filter1Air filter PartsGeek
266-2793Air Filter1Air filter PartsGeek
266-5732Air Filter1Air filter PartsGeek
267-6398Air Primary Filter1Air filter PartsGeek
267-6399Air Secondary Filter1Air filter PartsGeek
268-5290Air filter1Air filter PartsGeek
270-7361Air filter1Air filter PartsGeek
270-7362Air filter1Air filter PartsGeek
270-7368Air filter1Air filter PartsGeek
271-1712Fuel filter1Fuel filter PartsGeek
276-1804Fuel Filter1Fuel filter PartsGeek
276-1806Fuel Filter1Fuel filter PartsGeek
287-6052Fuel filter2Fuel filter PartsGeek
288-4572Fuel filter1Fuel filter PartsGeek
299-8229Advanced fuel filter1Fuel filter PartsGeek FridayParts $23.35
321-2411Air Primary Filter1Air filter PartsGeek FridayParts $89.99
321-2413Air Filter1Air filter PartsGeek
375-2606Twin Turbocharger Alignment ToolAlignment tool PartsGeek
7W-2326Engine Oil Filter1Oil filter PartsGeek FridayParts $229.99
7W-2327Engine oil filter2Oil filter PartsGeek FridayParts $149.99
2255441Connecting rod (Grade L)Service part / kit PartsGeek FridayParts $94.00
2255453Connecting rod (Grade J)Service part / kit PartsGeek FridayParts $79.86
2255454Connecting rod (Grade H)Service part / kit PartsGeek FridayParts $104.50
3590719Special connecting rod (Grade R, beam length 6.5247-6.5260 inch)Service part / kit PartsGeek
3590720Special connecting rod (Grade O, beam length 6.5229-6.5242 inch)Service part / kit PartsGeek
3590721Special connecting rod (Grade W, beam length 6.5211-6.5224 inch)Service part / kit PartsGeek
3590722Special connecting rod (Grade G, beam length 6.5193-6.5206 inch)Service part / kit PartsGeek
3590723Special connecting rod (Grade P, beam length 6.5175-6.5188 inch)Service part / kit PartsGeek
3590724Special connecting rod (Grade B, beam length 6.5157-6.4961 inch)Service part / kit PartsGeek

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
Prime27.77.32
Prime100%24.66.5
Standby100%25.86.8

Available documents

Engine spec — B3 254 fr en (Caterpillar)Engine spec — Cat C4-4 Heat Exchanger - Keel Cooled Spec Sheets (Caterpillar)Engine spec — Final+Ratings+Guide LECW2462-15 9.8.11 (Caterpillar)Engine spec — LEGH0002 (Caterpillar)Engine spec — LEHH0015 (Caterpillar)Engine spec — LEHH0017 (Caterpillar)Engine spec — LEHH5402 (Caterpillar)Engine spec — LEHH6445 (Caterpillar)Engine spec — LEHH6446-01 c44ta (Caterpillar)Engine spec — LEHH8192 (Caterpillar)Engine spec — LEHH8193 (Caterpillar)Engine spec — Ratings Guide Port LPCW2462-15 final LR (Caterpillar)Engine spec — lecw2462-06 (Caterpillar)Spec sheet — C4.4 86ekW 50Hz Spec Sheet KC (Caterpillar)Spec sheet — Cat C4-4 Radiator Cooled Spec Sheets (Caterpillar)Spec sheet — Caterpillar-Oil-and-Gas-Ratings-Guide-2021-03 (Caterpillar)Spec sheet — DE90E3S (Caterpillar)Spec sheet — LEDM3457-27 (Caterpillar)Reference — Caterpillar Gen Disc List RFP November 2022 (Caterpillar)Reference — LFDH5502-01 HR (Caterpillar)Reference — SELF5520 web (Caterpillar)Parts manual — C10659468 (Caterpillar)Parts manual — Cat+Engines (Caterpillar)Parts manual — KMP-Brand®Parts-Guide-Suitable-for-Caterpillar®By-Product (Caterpillar)Parts manual — PEWJ0074-03 (Caterpillar)Service manual — Cat-Operation-and-Maintenance-Manual-C3.3-and-C4.4-rental-generator-sets (Caterpillar)