Description
Paguro 6500 Marine Generator: Ultra-Quiet 6kW Diesel Power for 35-50ft Yachts
The perfect balance of power and silence—6kW continuous at only 54 dB(A) @ 7m, weighing just 110 kg with direct seawater cooling.
At Wave Inboard Motors, the Paguro 6500 has been our #1 selling 5-7kW marine generator since 2018—with over 180 units installed from Florida to the Pacific Northwest. Owners of 35-50ft sailboats and power cats love that it delivers 6kW continuous (6.5kW peak) at 120V/60Hz or 230V/50Hz while running quieter than a Fischer Panda 8000 and weighing 30-40% less. If you’re tired of bulky, noisy gensets that steal half your lazarette, our marine generator installation service can typically drop a Paguro 6500 where nothing else fits—often in the same space as two Group 31 batteries.
The Paguro 6500 is built around a reliable two-cylinder Lombardini LDW 1003 diesel with direct seawater cooling (no heat exchanger to clog), stainless steel water-jacket exhaust, and a dual-layer composite sound shield. It’s the only generator in its class that can run full load continuously in 35°C+ water without derating—perfect for air-conditioning, watermakers, and induction cooking on long passages.
Technical Specifications
| Specification | Details |
|---|---|
| Model | Paguro 6500 |
| Continuous Output | 6 kW (7.5 kVA) @ 0.8 pf |
| Peak Output | 6.5 kW (30 sec) |
| Voltage / Frequency | 120V 60Hz or 230V 50Hz (switchable) |
| Engine | 2-cylinder Lombardini LDW 1003 diesel |
| Engine RPM | 3600 (60Hz) / 3000 (50Hz) |
| Cooling | Direct raw-water (seawater) cooling |
| Noise Level | 54 dB(A) @ 7m |
| Dry Weight | 110 kg (243 lbs) |
| Dimensions (L×W×H) | 720 × 460 × 540 mm (28.3 × 18.1 × 21.3 in) |
| Fuel Consumption | 0.9–2.0 L/hr (load dependent) |
| Alternator | Synchronous, brushless, self-regulated |
| Sound Shield | Dual-layer composite (standard) |
| Certifications | CE, RCD, Lloyd’s Register (optional) |
Competitor Comparison
| Feature | Paguro 6500 | Fischer Panda 8000 (7.2 kW) | NextGen 5.5 kW | Phasor 6.5 kW |
|---|---|---|---|---|
| Continuous Power | 6.0 kW | 6.4 kW | 5.5 kW | 6.5 kW |
| Weight (dry) | 110 kg | 165 kg | 181 kg | 195 kg |
| Noise @ 7m | 54 dB(A) | 56 dB(A) | 58 dB(A) | 60 dB(A) |
| Cooling | Direct seawater (no heat exchanger) | Freshwater + heat exchanger | Freshwater + heat exchanger | Freshwater + heat exchanger |
| Engine Cylinders | 2 (Lombardini) | 2 (Kubota-based) | 2 (Kubota) | 2 (Kubota) |
| Typical Install Time | 8-12 hours | 16-24 hours | 16-20 hours | 16-20 hours |
| Price (2025 est.) | $12,800-$14,500 | $18,500-$21,000 | $13,500-$15,500 | $14,000-$16,000 |
Verdict: The Paguro 6500 dominates the 35-50ft sweet spot—lightest, quietest, and simplest cooling system. Fischer Panda is close on noise but heavier and more complex; NextGen and Phasor are solid but louder and bulkier. In our 2025 installs, 82% of clients in this size range chose the Paguro 6500 for its “fit anywhere” footprint and true full-load tropical performance.
Replacement & Installation Options
| Scenario | Recommended Path | Cost Range (2025) | Downtime |
|---|---|---|---|
| Old Onan/Phasor failing | Direct swap Paguro 6500 (often same mounts) | $15K-$19K installed | 3-5 days |
| Adding first 6kW generator | Paguro 6500 + custom sound box | $16K-$22K installed | 5-7 days |
| Need 8-10 kW | Step up to Paguro 9000 or 12000 | $19K-$26K | 5-8 days |
Our marine generator installation service includes custom mounting plates, exhaust routing, and remote panels—many 40-48ft boats fit the 6500 where competitors won’t.
Pros and Cons
| Pros | Cons |
|---|---|
| Lightest & one of the quietest 6kW (110 kg / 54 dB) | 3600 rpm (minor vibration vs 3000 rpm units) |
| Direct seawater cooling (no heat exchanger) | Two-cylinder pulse feel (still very smooth) |
| Fits in impossibly tight spaces | 6.0 kW continuous (not for dual 16k BTU AC) |
| Runs full load in tropics without derating | Parts mainly Europe (we stock full kits) |
| 10-year corrosion warranty on water jacket | 60Hz version standard (50Hz available) |
Frequently Asked Questions (FAQs) About the Paguro 6500 Marine Generator
From 180+ installs and owner calls:
Is the Paguro 6500 really quieter than Fischer Panda?
Yes—54 dB(A) @ 7m vs Panda’s 56 dB(A) in real-world tests; many owners report it’s “barely audible” from the cockpit.
Can the Paguro 6500 run a 16,000 BTU air-conditioner?
Yes with soft-start (draw ~12-14A at 120V). Dual units or hard-start need Paguro 9000.
Direct seawater cooling—corrosion concerns?
No—stainless water jacket + zinc anode, 10-year warranty. Zero corrosion failures in our fleet.
Weight and size vs Fischer Panda 8000?
Paguro 6500: 110 kg, 720×460×540 mm Panda 8000: 165 kg, 770×520×620 mm 55 kg lighter, 30% smaller volume.
Service intervals for Paguro 6500?
Oil/filter every 200 hours, impeller/anode yearly—simpler than heat-exchanger units.
Parts availability in the USA 2025?
We stock full kits (impellers, filters, anodes, belts) in Florida—24-48 hour delivery nationwide.
Ready for silent, compact power? Contact us for Paguro 6500 pricing and fitment survey—we’ll confirm it fits your boat in 24 hours.
Reviews
There are no reviews yet.