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Yanmar 4LV230 Performance Inboard Diesel Engine
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Yanmar 4LV230 Performance Inboard Diesel Engine Specs
| Manufacturer / Brand | Yanmar Marine |
| Model Designation | 4LV230 Performance Inboard |
| Engine Type | 4-Stroke High-Performance Turbocharged Common-Rail Marine Diesel Engine |
| Cylinder Configuration | Vertical Inline-4, 16-Valve DOHC with Chain-Driven Dual Overhead Cams |
| Total Displacement | 2.755 Liters (168.1 cu in) |
| Bore x Stroke | 92.0 x 103.6 mm (3.62 x 4.08 in) |
| Aspiration & Charge Air | Turbocharged with High-Efficiency Seawater-Cooled Charge Air Intercooler |
| Cooling System Architecture | Closed Freshwater Cooling Loop with Tubular Heat Exchanger and Raw Water Impeller Circuit |
| Continuous Power Rating (P1) | 180 BHP (132 kW) @ 3,640 RPM |
| Maximum / Intermittent Power (P3/P4) | 230 BHP (169 kW) @ 3,800 RPM (Rating 5 High-Performance Duty) |
| Fuel Injection Platform | Denso High-Pressure Common Rail (HPCR) Direct Injection (2,500 bar) with Multi-Injection Timing |
| Cylinder Head Metallurgy | Single-Piece Rigid Cast Iron Cylinder Head with Direct Valve Actuation |
| Cylinder Liners | Parent Bore High-Grade Cast Iron Engine Block |
| Flywheel Housing & Flywheel | SAE 4 Flywheel Housing with Dampened Torsional Drive Plate |
| Electrical System & Ground | 12V 2-Pole Isolated Earth Marine Electrical System with NMEA 2000 Integration |
| Starter & Alternator Output | 12V 2.5 kW Starter / 12V 130A High-Output Marine Alternator |
| Lube Oil Sump Capacity | 8.0 Liters (2.11 US gal) |
| Engine Coolant Capacity | 9.0 Liters (2.38 US gal) |
| Dry Weight (excl. gearbox) | 334 kg (736 lbs) [With KM4A1 Gearbox: 356 kg (785 lbs)] |
| Overall Dimensions (L x W x H) | 1,001 x 755 x 772 mm (39.4 x 29.7 x 30.4 in) |
| Emissions Certification | EPA Marine Tier 3, IMO Tier II, EU RCD Stage II |
| Fuel Compatibility | Ultra-Low Sulfur Diesel (ULSD No. 2), Marine Gas Oil (MGO DMA/DMB), B20 Biodiesel |
| Transmission / Outdrive Compatibility | Inboard Shaft Drive Configuration - Compatible with Yanmar KM4A1, ZF 45A, ZF 63A, ZF 63IV, or ZT370 Sterndrive |
| Factory Warranty Period | 2-Year Limited Factory Warranty with 3-Year Extended Major Components Coverage |
| Application Research | High-performance sports cruisers, rapid patrol boats, luxury superyacht tenders, ski boats, and fast offshore angling boats. |
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