Cat® C4.4 Marine Generator Set

Overview

Cat^® C4.4 Diesel Marine Generator Set has three phase ratings of 50 Hertz at 38.0, 51.5, and 69.0 ekW with heat exchanger cooling and at 36.0, 49.0, and 65.0 ekW with radiator cooling that meet EU CCNR2 emissions standards. The C4.4 also has three phase ratings of 60 Hertz at 44.0, 58.5, 76.0, and 99.0 ekW with heat exchanger cooling and of 42.0, 56.0, 72.0, and 95.0 ekW with radiator cooling. C4.4 gen set is available in 12 or 24 volt as an open gen set or as an enclosed package. Single-side servicing improves ease of maintenance and lowers overall owner operating costs. The compact package size is ideal for a wide range of commercial and pleasure craft applications. These ratings also have Marine Classification Society approved packages available.

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Specifications

Minimum Rating	36.0R ekW (45 kVA)
Maximum Rating	99.0 ekW (123 kVA)
Frequency	50 Hz or 60 Hz
Speed	1500 rpm or 1800 rpm
Emissions/Fuel Strategy	EPA Tier 2 (60 Hz), EU 97/68EC Stage II (50 Hz)

Engine Model	In-line 4, 4-Stroke-Cycle Diesel
Aspiration	NA, T, TA
Bore	4.13 in
Stroke	5 in
Displacement	269 in³
Governor Type	Electronic

Length	68.9 in
Width	47.8 in
Height	39.4 in
Weight	805 kg (1775 lb) - 1015 kg (2338 lb)

Excitation	Separately excited from auxiliary winding to provide 300% short circuit current up to 10 seconds
Pitch	2/3
Number of Leads	12 lead reconnectable
Insulation	Class H
IP Rating	IP23 water protection (IP44 available for certain models, contact your dealer for information)
Voltage Regulator	Solid state voltage regulator with integral voltage adjustment potentiometer