When your need for reliable power goes off-shore, put Cat on board. Our experience, our product line, and our commitment in marine engines and generator sets run deep. The Cat® C1.5 marine generator set will meet your auxiliary power needs up to 14.5 ekw, and the latest emission control standards — all with the peace of mind you need out there. And whether your application is a pleasure craft, or a commercial or ocean-going vessel, this compact unit will have a big impact on your voyage — and your bottom line.


Cat® C1.5 Diesel Marine Generator Set has single phase ratings of 50 Hertz at 10.0 ekW and 60 Hertz at 12.0 ekW that meet U.S. EPA Tier 3 and EU IW emission standards. The Cat® C1.5 also has three phase ratings of 50 Hertz at 11.0 ekW and 60 Hertz at 13.0 ekW that meet U.S. EPA Tier 3 and EU IW emissions standards. This generator set is available in 12 or 24 volt as an open gen set or as an enclosed package.

Generator Set Specifications

Minimum Rating 10 ekW (10 kVA) 10 ekW (10 kVA) Less
Maximum Rating 13 ekW (16.5 kVA) 13 ekW (16.5 kVA) Less
Frequency 50 Hz or 60 Hz 50 Hz or 60 Hz Less
Speed 1500 rpm (50Hz) or 1800 rpm (60 Hz) 1500 rpm (50Hz) or 1800 rpm (60 Hz) Less

Engine Specifications

Engine Model C1.5, In-line 3, 4-Stroke-Cycle-Diesel C1.5, In-line 3, 4-Stroke-Cycle-Diesel Less
Aspiration Naturally Aspirated Naturally Aspirated Less
Bore 3.31 in 84.0 mm Less
Stroke 3.5 in 90.0 mm Less
Displacement 91.0 in3 1.5 L Less
Governor Type Electrical Isochronous Electrical Isochronous Less

Generator Set Configurations

Emissions/Fuel Strategy 60 Hz meets EPA Tier 3*, 50 Hz meets EU 97/68EC Stage II regulations 60 Hz meets EPA Tier 3*, 50 Hz meets EU 97/68EC Stage II regulations Less

Generator Set Dimensions

Weight 319 kg/703 lbs (open), 368 kg/811 lbs (enclosed) 319 kg/703 lbs (open), 368 kg/811 lbs (enclosed) Less
Length 37.4 in/962 mm (open), 40 in/1021 mm (enclosed) 37.4 in/962 mm (open), 40 in/1021 mm (enclosed) Less
Width 21 in/533 mm (open), 24 in/608 mm (enclosed) 21 in/533 mm (open), 24 in/608 mm (enclosed) Less
Height 27.5 in/699 mm (open), 28 in/710 mm (enclosed) 27.5 in/699 mm (open), 28 in/710 mm (enclosed) Less

Generator Specifications

Excitation AREP AREP Less
Insulation Class H Class H Less
Voltage Regulation ±0.5% ±0.5% Less
Frame Size 1.5 1.5 Less





Clean and quiet

C1.5 Standard Equipment

Air Inlet System
  • Air cleaner, single element canister type with rain cap (open generator set only)

Control System
  • Electronic isochronous governor

Cooling System
  • Belt-driven centrifugal jacket water pump
  • gear-driven seawater pump
  • heat exchanger with copper nickel tubes
  • expansion tank

Exhaust System
  • Watercooled exhaust manifold and elbow

Fuel System
  • Fuel filter — RH or LH service
  • fuel priming
  • fuel transfer pump
  • flexible fuel lines

  • Single Phase

Lube System
  • Lubricating oil
  • oil filter (RH)
  • dipstick (RH)
  • fumes disposal (closed system)

Mounting System
  • Anti-vibration mounts, connected to drip tray and steel base sitting on PVC foam sound-absorbent pad

Protection System
  • Electronic automatic safety shutdown for low oil pressure, high water temperature, high exhaust (wet exhaust only) temperature, and overspeed

Starting System
  • 12 or 24 volt electronic starting motor, 12 volt 55 amp alternator

  • Single-side service (RH), decals, literature

C1.5 Optional Equipment

Sound attenuated enclosure

Deluxe instrument panel

Basic instrument panel

Remote instrument panel extension harness

AC circuit breakers

Flexible fuel lines

Primary fuel filter/water separator

Siphon break

Keel-cooling kit

Exhaust system components

Oil drain pump

Insulated electric system

Noise reducing air inlet duct

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