Used Yanmar 3JH25A 25HP Marine Diesel Engine
$2,092.00
In Stock
Description
Used Yanmar 3JH25A 25hp Three Cylinder Heat Exchanger Cooled Marine Diesel Engine Complete With Panel, Loom and 2.3:1 Gearbox. We have a selection of these units in stock and having been removed from ships lifeboats they have run less than 200hrs from new and will have been excellently maintained. Rated at 25hp Continuous Output and 27.5hp Intermittent. A lovely strong little engine which would be ideal in both yacht and small motorboat applications.
Manufacturer: Yanmar
Year built: 1996
Starter: Electric start
Cooling type: Salt water
No. of previous owners: 1
Power: 25
Motor: 19
Fuel: Diesel
Used Yanmar 3JH25A 25HP Marine Diesel Engine Specs
| Brand | Yanmar |
| Full Model Code | 3JH25A (JH Series Multi-Valve Architecture Evolution) |
| Country of Origin | Japan |
| Engine Family/Series | Yanmar JH High-Performance Auxiliary Fleet |
| Engine Type & Configuration | Inline 3-Cylinder, 4-Stroke, Low-Profile Vertical Marine Diesel |
| Aspiration & Induction System | Naturally Aspirated, Advanced Direct Injection Matrix (Low-Emission Configuration) |
| 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 | 25 HP (18.4 kW) @ 3200 RPM |
| Maximum Engine Speed / Rated RPM | 3200 RPM |
| Maximum Torque | 72 Nm @ 2000 RPM |
| Fuel System & Injection Type] | Mechanical Bosch-Type Bosch distributor design, Direct Fuel Injection |
| Governor Type | Mechanical All-Speed Governor with Smoke Regulation System |
| Electrical System Voltage & Alternator Output | 12V System, 60 Amp High-Output Marine Grade Charging Alternator |
| Starting System | 12V Heavy Duty Electric Starter Motor (No decompression manual setup) |
| Cooling System Type | Closed Loop Freshwater Cooled System with Tubular Heat Exchanger Matrix |
| Lubricating Oil Capacity / Oil Pan Capacity | 4.8 Liters |
| Exhaust Diameter / Exhaust System Type | 50 mm / Premium Water-Injected Wet Exhaust Mixing Elbow Array |
| Flywheel & Flywheel Housing Size | Standard Modular Mounting Face optimized for Yanmar KM3A, KM3P2 Transmissions, or SD31 Saildrive systems |
| Dry Weight without Marine Gear | 163 kg (359 lbs) |
| Dimensions L x W x H | 732 mm x 475 mm x 590 mm |
| Emission Certifications & Duty Rating | EU RCD 1 / Bodensee Stage 1 / M5 Auxiliary Cruiser Marine Pleasure Specification |
| Application | Modern blue water cruising hulls, premium production offshore sailing yachts, heavy catamarans, and coastal displacement trawler designs (Typical hull lengths 30-38 feet, optimized for exceptionally quiet running across conventional straight shafts or matching saildrives). |
