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Used Yanmar 4LHA-HTP 160HP Marine Diesel Engine w/ Gearbox Package
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Used Yanmar 4LHA-HTP 160HP Marine Engine & Gearbox Package
Used Yanmar 4LHA-HTP 160hp Four Cylinder Turbo Aftercooled Heat Exchanger Cooled Marine Diesel Engine With KMH40 2.5:1 Reduction Gearbox, Control Panel & Wiring Harness. Engine is 12V but also currently fitted with a 110A 24V secondary alternator (can be removed if not required). Originally installed in a large sailing yacht with circa 3000hrs running time, we took this engine as a PX back in 2022 and then supplied it to a workboat operator as a spare for one of their RIBs. They have now disposed of their Yanmar powered RIBs and supplied the engine back to us having never needed to use it.Manufacturer: YanmarYear built: 2004No. of cylinders: 4Cylinder capacity: 3.4LStarter: Electric startCooling type: Fresh waterNo. of previous owners: 1Power: 160Motor: 118Fuel: Diesel
Used Yanmar 4LHA-HTP 160HP Marine Diesel Engine w/ Gearbox Package Specs
| Brand | Yanmar |
| Full Model Code | 4LHA-HTP |
| Country of Origin | Japan |
| Engine Family/Series | Yanmar LHA High-Speed Performance Inboard Series |
| Engine Type & Configuration | Inline 4-Cylinder, 4-Stroke, Heavy Duty Overhead Valve Marine Diesel |
| Aspiration & Induction System | Turbocharged with Wastegate & Freshwater Charge Air Intercooler Matrix |
| Displacement | 3.455 Liters / 3455 cc |
| Bore x Stroke | 100.0 mm x 110.0 mm |
| Cylinder Count & Valves per Cylinder | 4-Cylinder, 2-Valves per Cylinder (8 Valves Total) |
| Compression Ratio | 18.4:1 |
| Rated Power / Horsepower | 160 HP (118 kW) @ 3300 RPM (Medium Duty Commercial / Heavy Pleasure Duty) |
| Maximum Engine Speed / Rated RPM | 3300 RPM |
| Maximum Torque | 410 Nm @ 2200 RPM |
| Fuel System & Injection Type] | Mechanical Bosch-Type In-line Injection Pump, Direct Injection |
| Governor Type | Mechanical All-Speed Centrifugal Governor with Boost Compensator Matrix |
| Electrical System Voltage & Alternator Output | 12V System Standard, 80 Amp Alternator with Smart Charge Sensor Line |
| Starting System | 12V Heavy Duty Electric Starter Motor |
| Cooling System Type | Freshwater Closed Circuit with High-Flow Shell & Tube Heat Exchanger Core |
| Lubricating Oil Capacity / Oil Pan Capacity | 13.0 Liters (Deep oil pan design for marine pitch angles) |
| Exhaust Diameter / Exhaust System Type | 90 mm / Waterjacketed Turbocharger Discharge with Wet Exhaust Overboard Mixing Bend |
| Flywheel & Flywheel Housing Size | SAE 3 Flywheel Housing Setup |
| Package Mounted Gearbox Model | Commonly matched with Yanmar KM5A (Down-Angle Mechanical) or Hurth/ZF 45A/63A Hydraulic Transmissions |
| Complete Package Dry Weight | 415 kg (915 lbs) (Engine only) / Approx. 460 kg (1014 lbs) with Gearbox Assembly |
| Dimensions L x W x H | 1131 mm x 699 mm x 735 mm (Total package envelope with typical gear) |
| Emission Certifications & Duty Rating | EPA Tier 1 / IMO Tier I / M4 Medium Duty Commercial & Pleasure Craft Specification |
| Application | Semi-displacement motor yachts, twin-engine sport fishers, fast charter launches, water taxis, and commercial service workboats (Typical hull lengths 32-42 feet, engineered for exceptional torque delivery under sustained loads using matching reduction hydraulic marine gear configurations). |
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