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Cat® C4.4 ACERT Marine Generator Set

Overview

The C4.4 ACERT marine genset packages with heat exchanger or keel cooling are available with 60 Hz ratings of 60, 75, 99, 118 ekW and 50 Hz ratings of 65, 80, 99 ekW. Radiator cooled gen sets are with 60 Hz ratings of 51, 66, 90, and 105 ekW and 50 Hz ratings of 58, 73, and 88 ekW. The C4.4 ACERT meets U.S. EPA Tier 3 and EU CCNR Stage II emissions regulations. The C4.4 ACERT is electronically controlled with a Common Rail fuel system.

Cat® C4.4 ACERT Marine Generator Set - Specifications

Generator Set Specifications
Minimum Rating
58R ekW (50 Hz), 51R ekW (60 Hz)
Maximum Rating
88R ekW (50 Hz), 105R ekW (60 Hz)
Frequency
50 Hz or 60 Hz
Speed
1500 rpm or 1800 rpm
Emissions/Fuel Strategy
U.S. EPA Tier 3 / CCNR Stage 2
Engine Specifications
Aspiration
TA
Bore
4.13 in
105 mm
Stroke
5 in
127 mm
Displacement
269 in³
4.4 l
Governor Type
Electronic
Engine Model
I-4, 4-Stroke-Cycle-Diesel
Generator Specifications
Excitation
AREP
Pitch
2/3
Number of Leads
12-lead reconnectable
Insulation
Class H
IP Rating
IP23
Voltage Regulator
±0.5%
Generator Set Dimensions
Weight
2518-2844 lb (1142 - 1290 kg)
Length
66.9-69.6 in (1699-1769 mm), 80.2R in (2037R mm)
Width
37.6 inches (radiator - 38.8 inches)
Height
49.0 inches (1245 mm)