Caterpillar DE55E3S — Specs, Engine, Parts & Maintenance

Name: Caterpillar DE55E3S Generator Set
Brand: Caterpillar

Caterpillar DE55E3S Generator Set

The Caterpillar DE55E3S is a 70.4 kW (88 kVA) standby generator set powered by a Caterpillar C4.4 Inline 4-stroke Diesel engine. It is available at 415 V, 400 V and 380 V, Single-phase-phase, 50 Hz and rated 134 A. It holds 17.5 L (4.6 gal) of coolant, with a maximum ambient rating of 50 °C. The set measures 2300×1132×1519 mm (90.6×44.6×59.8 in), weighs about 1237 kg (2727 lb) and produces 76 dBA at 15 m. An integrated tank holds 219 L (57.9 gal).

70 kW

Standby

4.4 L

Displacement

Document types

Specifications

Frequency	50.0 Hz
Standby power	70 kW
Standby kVA	88
Prime power	64 kW
Emissions	EU IIIA
Voltage options	415 V, 400 V, 380 V
Phase	Single-phase
Rated current	134 A
Coolant capacity	17.5 L
Max ambient	50 °C
Dimensions (L×W×H)	2300×1132×1519 mm
Dry weight	1237 kg
Sound level	76.0 dBA @ 15 m
Fuel tank	219.0 L

Engine

Caterpillar C4.4 Inline 4-stroke Diesel

Displacement	4.4 L
Aspiration	Turbocharged

Common questions

What is the power rating of the Caterpillar DE55E3S?

The Caterpillar DE55E3S is rated 70 kW standby (88.0 kVA).

What engine does the Caterpillar DE55E3S use?

The Caterpillar DE55E3S is powered by the Caterpillar C4.4 Inline 4-stroke Diesel engine.

Fuel consumption

Rating	Load	L/h	gal/h
Prime	50%	12.1	3.2
Prime	75%	17.2	4.5
Prime	100%	21.5	5.7

Available documents

Spec sheet — Cat DE88 - 88 kVA - Haube (Caterpillar)

Other sets with this engine

Caterpillar C4.4 Caterpillar DE26E0S Caterpillar DE26E3S Caterpillar DE40E0S Caterpillar DE40E2S Caterpillar DE50E0S Caterpillar DE88 GC Caterpillar DE90E2S Caterpillar DE90E3S