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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.

Cat® C4.4 Marine Generator Set - Specifications

Generator Set 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 Specifications
Engine Model
In-line 4, 4-Stroke-Cycle Diesel
Aspiration
NA, T, TA
Bore
4.13 in
105 mm
Stroke
5 in
127 mm
Displacement
269 in³
4.4 l
Governor Type
Electronic
Generator Specifications
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
Generator Set Dimensions
Length
68.9 in
1750 mm
Width
47.8 in
1215 mm
Height
39.4 in
1000 mm
Weight
805 kg (1775 lb) - 1015 kg (2338 lb)