Yanmar 4LHA-HTP 160HP Diesel Marine Engine – Power, Efficiency & Reliability by JB Marine GmbH

JB Marine GmbH, Germany’s authorized distributor of Yanmar diesel marine engines, proudly introduces the Yanmar 4LHA-HTP 160HP Diesel Marine Inboard Engine, a compact, turbocharged powerhouse designed for superior marine propulsion.

Delivering 160HP at 3,300 RPM, this 4-cylinder diesel engine is engineered for performance, reliability, and long-term efficiency, making it the perfect choice for yachts, catamarans, commercial boats, and fishing vessels.

Backed by JB Marine GmbH’s technical expertise and Yanmar’s legendary engineering, this inboard engine ensures smooth operation, low fuel consumption, and proven durability in demanding marine environments.

Overview – Built for Professional and Recreational Performance

The Yanmar 4LHA-HTP is part of Yanmar’s world-renowned 4LHA series, celebrated for its turbocharged power delivery, robust construction, and low vibration performance.

With a displacement of 3.455 liters, the engine delivers exceptional torque and responsiveness across the RPM range. Its integrated gearbox, freshwater cooling system, and compact dimensions make it a versatile choice for both new installations and repowering projects.

Designed to meet IMO Tier II and EPA Tier II emission standards, the 4LHA-HTP offers a clean, fuel-efficient propulsion solution without compromising power or performance.

Why Choose the Yanmar 4LHA-HTP Diesel Marine Engine?

Turbocharged Power & Precision

A 4-cylinder, turbocharged design producing 160HP at 3,300 RPM ensures strong acceleration, steady cruising power, and smooth operation across varying sea conditions.

 Fuel Efficiency You Can Trust

Yanmar’s proprietary diesel combustion and fuel injection technology delivers impressive fuel economy, making it ideal for long-range voyages and commercial operations.

Eco-Friendly Engineering

The 4LHA-HTP is fully compliant with IMO Tier II and EPA Tier II regulations, providing reduced emissions and a smaller environmental footprint.

Compact, Versatile & Easy to Install

With a length of just 1,085 mm, the engine fits effortlessly into a wide range of vessels, from sailing yachts to fishing boats, perfect for repowering upgrades or new installations.

Built to Endure

Every Yanmar component is built from marine-grade, corrosion-resistant materials, ensuring long-lasting reliability in harsh saltwater environments.

Peace of Mind Warranty

Protected by a 5-year manufacturer warranty and supported by JB Marine GmbH’s certified technicians, your investment is fully safeguarded.

Technical Specifications – Yanmar 4LHA-HTP 160HP

Complete Engine Package – Delivered by JB Marine GmbH

Each Yanmar 4LHA-HTP 160HP Diesel Marine Engine supplied by JB Marine GmbH includes a complete installation-ready package with all essential components:

• Yanmar 4LHA-HTP Engine

• Factory-Installed Gearbox

• Turbocharger System

• Freshwater Heat Exchanger Cooling System

• Starter Motor & Alternator (12V – 125A)

• Flexible Engine Mounts

• Fuel Pre-Filter with Water Separator

• Exhaust Mixing Elbow (L-Type)

• Freshwater Expansion Tank

• Wiring Harness (5m) with Connectors

• Belt Safety Cover

• Installation and Operation Manuals

All parts are genuine Yanmar OEM components, guaranteeing reliability and performance.

Optional Accessories

Enhance your Yanmar 4LHA-HTP engine with optional, factory-approved accessories from JB Marine GmbH:

• High-Riser Exhaust Mixing Elbow

• Secondary Alternator (12V or 24V options)

• VC10 Vessel Control System

• NMEA2000 Engine Monitoring System

• Hot Water Kit for Onboard Systems

• Extended Wiring Harness (3m, 5m, or 10m)

• Spare Parts Kit for onboard maintenance

• Propeller & Shaft Kits

All accessories are engineered for compatibility, ensuring optimal system integration.

Warranty & After-Sales Support

The Yanmar 4LHA-HTP is covered by a 5-year manufacturer’s warranty, protecting against defects in materials and workmanship.

JB Marine GmbH provides:

• Factory-backed warranty registration and service

• Certified Yanmar installation and commissioning

• Genuine spare parts and consumables

• Technical consultation and support across Europe

• Fast global shipping and after-sales care

Your engine investment is supported for long-term, reliable performance.

Applications – Built for Versatility

The Yanmar 4LHA-HTP 160HP Diesel Inboard Engine is designed for diverse marine applications, including:

• Monohull Sailing Yachts – Powerful, smooth, and quiet propulsion

• Catamarans (up to 45ft) – Efficient twin-engine configurations

• Small Motorboats and Sloops – Compact yet capable power

• Light-Duty Commercial Boats – Consistent, economical operation

• Fishing Vessels – Steady torque and reliability for daily use

Whether for leisure or commercial use, this engine delivers unmatched versatility and confidence on the water.

Frequently Asked Questions (FAQs)

What makes the Yanmar 4LHA-HTP unique?
It combines turbocharged performance, exceptional reliability, and factory-integrated gearbox convenience in a compact form.

Does the engine include a gearbox?
Yes — the gearbox is factory-installed and perfectly calibrated for smooth power transmission.

What types of boats is it suited for?
Ideal for yachts, catamarans, fishing boats, and light-duty commercial vessels.

Is the engine fuel-efficient?
Yes, Yanmar’s precision diesel technology ensures minimal fuel consumption with optimal power output.

Does it meet global emissions standards?
Fully compliant with IMO Tier II and EPA Tier II regulations.

Can JB Marine GmbH install the engine?
Yes, we offer professional installation, setup, and testing by certified marine engineers.

What warranty coverage is included?
A full 5-year manufacturer warranty covering materials and workmanship.

Can I buy genuine Yanmar parts and accessories?
Yes, all accessories and spares are available through JB Marine GmbH.

Do you ship internationally?
Yes — we offer secure worldwide shipping with end-to-end logistics support.

Why Choose JB Marine GmbH – Your Trusted Yanmar Marine Partner

At JB Marine GmbH, we provide comprehensive marine power solutions built on trust, expertise, and performance.

Our advantages include:

• Authorized Yanmar marine dealer in Germany

• Certified marine technicians & engineers

• Genuine Yanmar spare parts and components

• Competitive pricing and technical consultation

• Fast, secure global delivery

• Dedicated after-sales and warranty support

With JB Marine GmbH, you’re not just purchasing an engine, you’re investing in reliability, efficiency, and expert service.

Contact JB Marine GmbH – Order Your Yanmar 4LHA-HTP 160HP Diesel Marine Engine Today

Experience unmatched performance, fuel efficiency, and durability with the Yanmar 4LHA-HTP 160HP Diesel Marine Inboard Engine.