Compare models

Cat Models Competitor Models

Selected Marine Power Systems C4.4	Remove Marine Power Systems C2.2	Remove Marine Power Systems C7.1 (Electronic Control System)

Marine Power Systems Selected C4.4 Model Details Compare with Competitors Selected C4.4 Model Details Compare with Competitors	Marine Power Systems Remove C2.2 Model Details Compare with Competitors Remove C2.2 Model Details Compare with Competitors	Marine Power Systems Remove C7.1 (Electronic Control System) Model Details Remove C7.1 (Electronic Control System) Model Details
Print US Metric Save this as your preferred unit of measurement


Generator Set Specifications
Minimum Rating
36.0R ekW (45 kVA) 36.0R ekW (45 kVA)	15 ekW (15 kVA) 15 ekW (15 kVA)	-
Maximum Rating
99 ekW (123 kVA) 99 ekW (123 kVA)	25 ekW (25 kVA) 25 ekW (25 kVA)	100 ekW - 200 ekW (125 kVA - 250 kVA) 100 ekW - 200 ekW (125 kVA - 250 kVA)
Frequency
50 Hz or 60 Hz 50 Hz or 60 Hz	-	-
Speed
1500 rpm or 1800 rpm 1500 rpm or 1800 rpm	-	1,500 rpm / 1,800 rpm 1,500 rpm / 1,800 rpm
Emissions/Fuel Strategy
EPA Tier 2 (60 Hz), EU 97/68EC Stage II (50 Hz) EPA Tier 2 (60 Hz), EU 97/68EC Stage II (50 Hz)	-	-
Engine Specifications
Rated Engine Speed
-	1500 / 1800 rpm 1500 / 1800 rpm	-
Emissions
-	U.S. EPA Tier 3 U.S. EPA Tier 3	IMO II, IMO III (SCR required) U.S. EPA Tier 3, EU Stage V, China II IMO II, IMO III (SCR required) U.S. EPA Tier 3, EU Stage V, China II
Configuration
-	Inline 4, 4-Stroke Cycle diesel Inline 4, 4-Stroke Cycle diesel	Inline 6, 4-Stroke Cycle Diesel Inline 6, 4-Stroke Cycle Diesel
Engine Model
In-line 4, 4-Stroke-Cycle Diesel In-line 4, 4-Stroke-Cycle Diesel	-	-
Aspiration
NA, T, TA NA, T, TA	Naturally Aspirated / Turbocharged Naturally Aspirated / Turbocharged	Turbocharged / Aftercooled Turbocharged / Aftercooled
Governor
-	-	Electronic (A5 ECM) Electronic (A5 ECM)
Bore
4.13 in 105 mm	3.31 in 84 mm	4.13 in 105 mm
Stroke
5 in 127 mm	3.5 in 90 mm	5.31 in 135 mm
Displacement
269 in³ 4.4 l	135 in³ 2.2 l	428 in³ 7.01 l
Refill Capacity
-	Lube Oil System w/oil filter change: 10.6 L (2.8 gal) Lube Oil System w/oil filter change: 10.6 L (2.8 gal)	Lube Oil System w/oil filter change: 21 L / 5.6 gal Lube Oil System w/oil filter change: 21 L / 5.6 gal
Governor Type
Electronic Electronic	Electrical Ischronous Electrical Ischronous	-
Oil Change Interval
-	500 hrs 500 hrs	500 hrs 500 hrs
Rotation from Flywheel End
-	Counterclockwise Counterclockwise	Counterclockwise Counterclockwise
Cooling
-	Hex or Single Circuit Keel Hex or Single Circuit Keel	Heat exchanger, Seperate Circuit Keel Cooled, Combined Circuit Keel Cooled, Radiator Cooled Heat exchanger, Seperate Circuit Keel Cooled, Combined Circuit Keel Cooled, Radiator Cooled
Generator Set Dimensions
Engine Dry Weight
-	857-1,027 lb / 386-466 kg 857-1,027 lb / 386-466 kg	3355 lb / 1,522 kg 3355 lb / 1,522 kg
Length
68.9 in 1750 mm	47.9 in / 1,219 mm (open) 50.7 in / 1,290 mm (enclosed) 47.9 in / 1,219 mm (open) 50.7 in / 1,290 mm (enclosed)	76.3 in /1,940 mm 76.3 in /1,940 mm
Width
47.8 in 1215 mm	22.3 in / 567 mm (open) 24.7 in / 628 mm (enclosed) 22.3 in / 567 mm (open) 24.7 in / 628 mm (enclosed)	-
Height
39.4 in 1000 mm	32.8 in / 835 mm (open) 31 in / 775 mm (enclosed) 32.8 in / 835 mm (open) 31 in / 775 mm (enclosed)	49.7 in / 1,263 mm 49.7 in / 1,263 mm
Weight
805 kg (1775 lb) - 1015 kg (2338 lb) 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 Separately excited from auxiliary winding to provide 300% short circuit current up to 10 seconds	-	-
Pitch
2/3 2/3	-	-
Number of Leads
12 lead reconnectable 12 lead reconnectable	-	-
Insulation
Class H Class H	-	-
IP Rating
IP23 water protection (IP44 available for certain models, contact your dealer for information) IP23 water protection (IP44 available for certain models, contact your dealer for information)	-	-
Voltage Regulator
Solid state voltage regulator with integral voltage adjustment potentiometer Solid state voltage regulator with integral voltage adjustment potentiometer	-	-
Generator Set Dimensions and Weights - Dependent on Generator Type
Width
-	-	38 in / 965 mm 38 in / 965 mm

Selected

Selected Selected
Print US Metric Save this as your preferred unit of measurement

Powered by
Compare models by clicking "Add a Model" above to load specification data.

Price listed is Manufacturer's Suggested Retail Price, this price does not include shipping and handling, expedite charges, taxes, dealer installation costs or other dealer charges. Dealers set actual prices, including invoicing currency. The MSRP displayed is for the region selected.

Compare models

Compare models by clicking "Add a Model" above to load specification data.

Products

Services & Support

How Can We Help?

Company Info

Industry Solutions

News

Connect with Cat

Caterpillar Brands