Riggs Cat

Cat® C4.4 Marine Generator Set

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Specification Summary

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
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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
Stroke
5 in
Displacement
269 in³
Governor Type
Electronic

Generator Set Dimensions

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

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
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
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
Emissions/Fuel Strategy
EPA Tier 2 (60 Hz), EU 97/68EC Stage II (50 Hz)
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

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.