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Phasor K3-8.0 – 8kW Marine Diesel Generator 1800 RPM Compact Series
Phasor K3-8.0 Compact employs high-performance space-saving design. This unit optimizes maritime reliability for tight engine room installations.
- Horsepower: Efficient 12 HP at 1800 RPM.
- Engine Type: 0.9L Three-cylinder Kubota diesel.
- Cooling System: Compact marine heat exchanger system.
- Fuel System: Mechanical indirect injection for durability.
- Ideal For: Modern sailboats and compact trawlers.
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Phasor K3-8.0 – 8kW Marine Diesel Generator 1800 RPM Compact Series
Overcoming the space constraints of small engine rooms without compromising on engine speed, the Phasor K3-8.0 Compact Series brings 1800 RPM reliability to a smaller footprint. This 8kW generator is the premier choice for American sailing yachts and small trawlers that demand the longevity of a low-speed diesel engine. For the USA captain, the K3-8.0 offers a 3-cylinder Kubota engine that provides enough stable 60Hz power to run two large A/C units and a full galley, making it a reliable partner for coastal cruising from New England to the Pacific Northwest.
Designed for easy integration, the K3-8.0 features a simplified mechanical architecture that American DIY boaters and professional technicians both appreciate. The lower RPM ensures a deeper, less intrusive acoustic signature and significantly less hull vibration than 3600 RPM units. With its high-torque output and durable brushless alternator, this model provides the American market with a robust and long-lasting energy solution that is small enough to fit where other 1800 RPM generators cannot.
Core Technical Specifications
- Rated Output: 8.0 kW / 8.0 kVA.
- Engine: Kubota Diesel (3-Cylinder).
- Continuous Speed: 1800 RPM.
- Voltage/Frequency: 120/240V | 60 Hz.
- Cooling: Freshwater Cooled via Heat Exchanger.
- Total Weight: 465 lbs (211 kg).
- Dimensions: 28.0″ x 19.0″ x 21.0″.
- Service Access: Single-Side Access.
Phasor K3-8.0 Full Specs
| Generator Model | K3-8.0 (Compact Series) |
| Engine Type | Kubota D1105 / 3-Cylinder Diesel |
| Continuous Output | 8.0 kW |
| Voltage | 120/240 V |
| Frequency | 60 Hz |
| Speed | 1800 RPM |
| Displacement | 1.123 L |
| Cooling System | Fresh Water Heat Exchanger |
| Sound Level | Open Type (Enclosure Optional) |
| Dry Weight | 208 kg (460 lbs) |
| Dimensions | 711 x 482 x 533 mm |
| Starting System | 12V Electric |
| Alternator | Brushless 4-Pole |
| Aspiration | Naturally Aspirated |
Phasor K3-8.0 - 8kW Compact Series Generator Review
The Phasor K3-8.0 specs feature a low-speed 1800 RPM Kubota engine in a compact chassis, offering an excellent gallons per hour rate. This 8kW Phasor marine generator is designed for yacht climate control on vessels where a quiet 1800 RPM unit must fit into tight compartments.
For Phasor marine service, owners should check sacrificial aluminum anode locations within the cooling manifold. Safeguarding Phasor marine parts from electrolysis is a core requirement for marine generator troubleshooting to ensure long-term reliability in saltwater.
The Kubota-based engine requires high-quality diesel oil that meets FC-W engine oil capacity standards. Ensuring marine-grade lubrication is maintained at every service interval will extend the life of the 1800 RPM Phasor generator components during long offshore trips.
The Phasor K3-8.0 ignition requires a 12V battery providing the minimum marine cranking amps specified for 3-cylinder diesels. Stable 60Hz power-up is vital for marine electronics and mid-sized vessel air conditioning systems.
The Phasor K3-8.0 application is the optimal boat hull application for 35-45 foot cruisers and sailboats. It is the top-rated 8kW marine generator for owners seeking a rugged, low-RPM unit that is easy to service.
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