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Mermaid J-444NA63 Naturally Aspirated Fishing Marine Diesel Engine
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Mermaid J-444NA63 Fishing Specs
| Manufacturer / Brand | Mermaid Marine (JCB Power Systems Base) |
| Model Designation | J-444NA63 Fishing Commercial |
| Engine Type | 4-Stroke Heavy-Duty Commercial Marine Diesel |
| Cylinder Configuration | Inline-4 |
| Total Displacement | 4.4 Liters (268 cu in) |
| Bore x Stroke | 103.0 x 132.0 mm (4.06 x 5.20 in) |
| Aspiration & Charge Air | Naturally Aspirated with Heavy-Duty Marine Air Filtration |
| Cooling System Architecture | Keel-Cooled Closed Grid Circuit with Engine-Driven Circulating Pump |
| Continuous Power Rating (P1) | 63 BHP (47 kW) @ 2,000 RPM |
| Maximum / Intermittent Power (P3/P4) | 84 BHP (63 kW) @ 2,200 RPM |
| Fuel Injection Platform | Mechanical Rotary Injection Pump (Delphi) with Mechanical All-Speed Governor |
| Cylinder Head Metallurgy | Monobloc Cast Iron Cylinder Block and 16-Valve Cast Iron Cylinder Head |
| Cylinder Liners | Cast Iron Engine Block with Integrated Parent Bores |
| Flywheel Housing & Flywheel | SAE 3 Housing with SAE 11.5 Flywheel |
| Electrical System & Ground | 12V or 24V Isolated Ground Marine Electrical System |
| Starter & Alternator Output | 12V 3.0 kW Electric Starter / 12V 95A Marine Alternator |
| Lube Oil Sump Capacity | 14.0 Liters (3.70 US gal), Heavy-Duty Wet Sump with Front/Rear Scavenge |
| Engine Coolant Capacity | 16.0 Liters (4.23 US gal) |
| Dry Weight (excl. gearbox) | 460 kg (1,014 lbs) |
| Overall Dimensions (L x W x H) | 910 x 670 x 820 mm (35.8 x 26.4 x 32.3 in) |
| Emissions Certification | IMO Tier II / EU Stage IIIa / CCNR II |
| Fuel Compatibility | Ultra-Low Sulfur Diesel (ULSD No. 2), Marine Gas Oil (MGO DMA/DMB) |
| Transmission / Outdrive Compatibility | Bare Engine Bobtail - Compatible with PRM (PRM 280 / PRM 500) and Twin Disc (MG-5011SC) Marine Transmissions with Front PTO Pulley Option |
| Factory Warranty Period | Mermaid Marine 1-Year or 2,000-Hour Commercial Fishing Warranty |
| Application Research | Inshore potting vessels, potting and netting boats, gillnetters, small oyster dredgers, and static-gear commercial fishing craft requiring continuous hydraulic hauler drive capability. |
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