Cat® C4.4 Marine Generator Set

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Cat® C4.4 Marine Generator Set

Power Range36.0R – 99 ekW
Frequency50 / 60
Speed1500 / 1800 rpm
Minimum Rating36.0R ekW (45 kVA)
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Learn more about our Cat® C4.4 Marine Generator Set

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.

Power Range
36.0R - 99 ekW
Frequency
50 / 60
Speed
1500 / 1800 rpm
Minimum Rating
36.0R ekW (45 kVA)
Maximum Rating
99.0 ekW (123 kVA)
Emissions
NST
Engine Model
In-line 4, 4-Stroke-Cycle Diesel
Aspiration
NA, T, TA
Bore
4.13in
Stroke
5in
Displacement
269in³
Governor Type
Electronic
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
Length
68.9in
Width
47.8in
Height
39.4in
Weight
805 kg (1775 lb) - 1015 kg (2338 lb)
Air cleaner, single element canister type w/ service indicator and rain cap
Dry insulated turbocharger (DIT and DITA models only)
Glowplug cold start system
Heat exchanger cooled packages w/ Cupro-nickel tube bundle (sized for 50 o C ambient air and 32 o C sea water) or Keel cooled packages (sized for 50 o C ambient air)
De-aeration expansion tank
Plate-type engine oil cooler
Gear driven centrifugal jacket water pump
Gear driven self priming sea water pump
Caterpillar Extended Life Coolant (heat exchanger cooled packages)
Dry insulated turbocharger
Water-cooled exhaust manifolds
Primary fuel filter / water separator
Secondary fuel filter (LH)
Fuel priming pump electric
Energize to run shutoff solenoid
12 lead reconnectable
3 phase all models
Brushless
IP23 water protection
Connection poles
Lubricating oil
Oil filter (LH)
Dipstick (LH)
Fumes disposal (closed system)
Steel base frame with drip pan
Anti-vibration mounts
Negative isolated ground electric system
Single side service (LH)
Keel cooled gensets do not include the keel cooler(s)
240V AC, 120V AC
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