Yanmar 8LV370 (Z) 370HP Inboard Diesel Engine
The Yanmar 8LV370 (Z) 370HP Marine Diesel Engine is a compact, high-performance V8 diesel engine designed for recreational powerboats, sport cruisers, motor yachts, and marine repowering projects.
Delivering 370 metric HP (272 kW) at 3,800 RPM, the engine combines a 4.46-litre V8 configuration with Denso common-rail fuel injection, twin turbochargers, intercooling, and electronic engine controls.
The 8LV370 is available for conventional inboard propulsion, while the 8LV370(Z) configuration is intended for compatible Yanmar ZT370 sterndrive installations.
Why Choose the Yanmar 8LV370?
Powerful 370 HP V8 Performance
The twin-turbocharged V8 delivers responsive acceleration and strong performance for compatible recreational marine applications.
Compact and Lightweight Construction
With a published dry engine weight of approximately 435 kg without transmission, the 8LV370 offers high power output from a compact marine diesel package.
Advanced Common-Rail Technology
The Denso common-rail system provides electronically controlled fuel injection for smooth operation, precise fuel delivery, and responsive throttle performance.
Modern Electronic Controls
Compatible Yanmar vessel-control systems provide electronic throttle management, engine monitoring, and optional joystick functionality.
Technical Specifications
| Specification | Details |
|---|---|
| Manufacturer | Yanmar Marine |
| Engine Model | 8LV370 / 8LV370(Z) |
| Engine Type | Four-stroke marine diesel |
| Engine Configuration | 90° V8 |
| Displacement | 4.46 litres |
| Maximum Crankshaft Power | 370 metric HP / 272 kW |
| Rated Engine Speed | 3,800 RPM |
| Continuous Crankshaft Rating | 248 kW at 3,683 RPM |
| Bore × Stroke | 86 × 96 mm |
| Fuel Injection | Denso common-rail direct injection |
| Aspiration | Twin-turbocharged and intercooled |
| Cooling System | Freshwater cooling with seawater heat exchanger |
| Electrical System | 12V |
| Alternator | 180A |
| Starting Assistance | Glow-plug system |
| Engine Controls | Electronic |
| Dry Weight Without Transmission | Approx. 435 kg |
| Reference Dimensions with KMH50A | 1,340 × 880 × 766 mm |
| Propulsion Options | Inboard shaft drive or ZT370 sterndrive |
| Applications | Sport cruisers, powerboats, motor yachts and repowering |
The published dimensions refer to a specified inboard gearbox configuration, not the complete ZT370 sterndrive installation. The 370 HP figure is metric horsepower, equivalent to approximately 365 mechanical horsepower.
Compatible Gearboxes, Sterndrives and Controls
The Yanmar 8LV370 family supports several manufacturer-documented propulsion arrangements.
| Component | Application |
|---|---|
| Yanmar ZT370 | Sterndrive propulsion for the 8LV370(Z) |
| Kanzaki KMH50A | Conventional inboard shaft-drive transmission |
| Kanzaki KMH52V | Compatible V-drive configuration |
| Yanmar VC10 / VC20 | Electronic vessel controls |
| Yanmar JC10A | Compatible sterndrive joystick control |
| Yanmar YD42 / YD25 | Engine instrumentation and monitoring |
The correct transmission, reduction ratio, propeller, controls, and installation accessories must be selected according to the vessel’s configuration.
Applications and Operating Requirements
The Yanmar 8LV370 is designed for recreational marine propulsion, including sport cruisers, motor yachts, high-performance recreational powerboats, and suitable repowering projects.
The engine’s maximum output is not a continuous full-load rating. Engine selection should consider operating hours, expected load, hull characteristics, and manufacturer duty limitations.
Commercial applications require separate approval of the intended operating profile.
Price, Package Contents and Warranty
Price: Contact JB Marine GmbH for a quotation.
Depending on the selected configuration, the package may include the engine, 12V alternator, starter motor, cooling equipment, flexible mounts, electronic controls, and compatible transmission or sterndrive equipment.
The ZT370 sterndrive, instrumentation, joystick controls, and installation accessories must be specifically identified in the quotation.
Warranty: Applicable warranty coverage depends on engine condition, production year, and supply arrangement. Full terms will be confirmed before purchase.
Frequently Asked Questions
How Much Power Does the Yanmar 8LV370 Produce?
It produces 370 metric HP (272 kW) at 3,800 RPM.
Is the Yanmar 8LV370 Twin-Turbocharged?
Yes. It features two turbochargers and charge-air cooling.
What Is the Difference Between 8LV370 and 8LV370(Z)?
The 8LV370 is available for conventional inboard shaft-drive installations, while the 8LV370(Z) is configured for compatible sterndrive propulsion.
Which Sterndrive Is Compatible?
The manufacturer identifies the Yanmar ZT370 as a compatible sterndrive.
Does the Engine Include the Sterndrive?
Not automatically. The included transmission or sterndrive must be confirmed in the sales quotation.
Is the 8LV370 Suitable for Repowering?
Yes, provided the vessel’s propulsion system, engine mounts, exhaust, cooling system, electrical equipment, and installation dimensions are compatible.
Buy the Yanmar 8LV370 (Z) from JB Marine GmbH
Looking for a Yanmar 8LV370 (Z) 370HP marine diesel engine for sale?
JB Marine GmbH provides quotations for Yanmar marine diesel engines, compatible gearbox and sterndrive packages, electronic controls, and international shipping.
Contact our sales team with your vessel details, preferred propulsion configuration, required quantity, and delivery destination.
Request your Yanmar 8LV370 (Z) quotation today.
Website: https://jbmarinegmbh.de/
