Used Yanmar 3JH30A Lifeboat Marine Diesel Engine
Description
Used Yanmar 3JH30A Three Cylinder Lifeboat Marine Diesel Engine Complete With Gearbox, Control Panel & Loom. Removed from a decommissioned lifeboat in full working order. The engine has been inspected, test run, serviced, cleaned and painted.
Manufacturer: Yanmar
Year built: 1998
Power: 30
Motor: 22
Fuel: Diesel
Used Yanmar 3JH30A Lifeboat Marine Diesel Engine Specs
| Brand | Yanmar |
| Full Model Code | 3JH30A (SOLAS/Lifeboat Certified Variant) |
| Country of Origin | Japan |
| Engine Family/Series | Yanmar JH Specialty Marine Fleet |
| Engine Type & Configuration | Inline 3-Cylinder, 4-Stroke, Vertical Marine Diesel |
| Aspiration & Induction System | Naturally Aspirated, Direct Injection |
| Displacement | 1.344 Liters / 1344 cc |
| Bore x Stroke | 82.0 mm x 85.0 mm |
| Cylinder Count & Valves per Cylinder | 3-Cylinder, 2-Valves per Cylinder (6 Valves Total) |
| Compression Ratio | 18.5:1 |
| Rated Power / Horsepower | 30 HP (22.1 kW) @ 3000 RPM |
| Maximum Engine Speed / Rated RPM | 3000 RPM |
| Maximum Torque | 80 Nm @ 2000 RPM |
| Fuel System & Injection Type] | Mechanical Distributor Injection Pump, Direct Injection (Engineered to run reliably at extreme angles) |
| Governor Type | Mechanical All-Speed Governor with Capsized Shutoff Safeguards |
| Electrical System Voltage & Alternator Output | 12V System, 60 Amp Marine Grade Charging Alternator |
| Starting System | 12V Dual-Electric Starter Motor System or Hydraulic Backup (SOLAS safety mandate compliant) |
| Cooling System Type | Closed Loop Freshwater Cooled via Tube Heat Exchanger (Often fitted with keel-cooling bypass options) |
| Lubricating Oil Capacity / Oil Pan Capacity | 4.8 Liters (Enclosed deep-pan configuration) |
| Exhaust Diameter / Exhaust System Type | 50 mm / Dry or Water-Injected Wet Exhaust Mixing Elbow Matrix |
| Flywheel & Flywheel Housing Size | Standard Matrix Interface for Yanmar KM3P2 or KM3A Transmissions |
| Dry Weight without Marine Gear | 175 kg (386 lbs) |
| Dimensions L x W x H | 732 mm x 480 mm x 610 mm |
| Emission Certifications & Duty Rating | SOLAS (Safety of Life at Sea) Certification, EU RCD 1 / Continuous Duty Rescue Craft |
| Application | Commercial shipboard survival lifeboats, fast rescue tenders, rigid inflatable rescue boats (RIBs), and rugged displacement utility craft (Typical hull lengths 22-28 feet, optimized for immediate starting in sub-zero environments and safe operation during inversion/heavy rolling). |
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