-10%

Yanmar 4CHE3 78 HP Marine Propulsion Engines Rating M

0 out of 5

$9,988.00 $8,988.00

Category:

Description

New Yanmar 4CHE3 78HP Marine Propulsion Engine (M Rating) For Sale

The Yanmar 4CHE3 78HP Marine Propulsion Engine (M Rating) is a high-duty mechanical diesel platform engineered for commercial vessels, workboats, fishing boats, and heavy-duty marine applications where reliability, torque stability, and continuous operation are non-negotiable. Built within Yanmar’s proven CHE series, this engine is designed to perform under sustained load conditions while maintaining efficiency and durability.

If you are analyzing the current Yanmar 4CHE3 price, this engine represents a strategic investment for operators who require a balance between power output and long operational life. Its mechanical design reduces complexity, making it highly dependable in demanding marine environments.

For buyers actively searching for a Yanmar 4CHE3 for sale, this engine stands out as a preferred solution for commercial marine use where uptime, ease of servicing, and fuel efficiency directly impact operational profitability.

At Yanmar Marine Experts, we supply professionally sourced yanmar diesel marine engines tailored for commercial and heavy-duty marine operations worldwide.

Built on Yanmar’s industrial-grade CHE platform, this yanmar diesel engines marine configuration is optimized for high-load performance, stable output, and long-term reliability across extended operating hours.

Key Features of Yanmar 4CHE3 Marine Diesel Engine

  • 78HP (57.4 kW) maximum output
  • M-rating for continuous commercial-duty operation
  • 4-cylinder inline diesel configuration
  • Direct injection fuel system
  • Naturally aspirated engine design
  • High torque stability under load
  • Mechanical engine control system
  • Thermo-controlled freshwater cooling system
  • Heavy-duty internal components for extended lifespan
  • Designed for continuous and demanding applications

This engine is widely selected by operators looking for dependable marine engines yanmar for workboats and commercial vessels. EPA marine emissions standards 

Gearbox Matching & Commercial Propulsion Setup

The Yanmar 4CHE3 78HP Marine Propulsion Engine is typically paired with hydraulic marine transmissions such as Yanmar YX series gearboxes, offering multiple reduction ratios to match vessel load profiles and propeller requirements.

Compatible options include Yanmar Gearboxes and ZF Gearboxes for shaft-driven propulsion systems.

We assist in selecting the optimal gearbox ratio based on vessel type, load characteristics, and duty cycle to ensure maximum efficiency and engine longevity.

Technical Specifications

Technical SpecificationValue
Engine ModelYanmar 4CHE3
Engine SeriesCHE Series
Maximum Output78HP (57.4 kW)
Rated Speed2550 RPM
Engine Type4-stroke vertical water-cooled diesel engine
Number of Cylinders4 in-line
Displacement4.33 L
Bore x Stroke105 mm x 125 mm
Fuel SystemDirect Injection
AspirationNaturally Aspirated
Starting SystemElectric (24V)
Cooling SystemHeat exchanger (freshwater cooling)
Marine GearHydraulic (e.g., YX-30)
Dry WeightApprox. 570 kg
Dimensions1258 × 688 × 1022 mm
Duty RatingM Rating (medium duty commercial)
ComplianceIMO Tier II

These specifications confirm the engine’s commercial-grade design, delivering stable output at 2550 RPM with a 4.33L displacement.

Standard Manufacturer Package Includes

All engines supplied by Yanmar Marine Experts are delivered as complete propulsion-ready units and typically include engine control panel, wiring system, documentation, mounts, and standard manufacturer accessories.

Optional configurations include matched hydraulic gearboxes and full propulsion packages tailored to your vessel.

Compliance & Commercial Advantage

The Yanmar 4CHE3 78HP Marine Engine is built to meet IMO Tier II emission standards, making it suitable for regulated commercial marine operations.

Its mechanical design ensures:

  • Lower failure risk compared to electronic systems
  • Easier servicing in remote locations
  • Reduced operational downtime
  • Long lifecycle under continuous load

This is a platform built for working vessels—not occasional use.

Engine Availability

We maintain access to available units through our global sourcing network and authorized dealer channels. Availability may vary based on demand and configuration requirements.

Warranty Coverage

Engines supplied through Yanmar Marine Experts include a standard 2-year manufacturer warranty where applicable.

Extended coverage options may be available depending on usage classification and maintenance compliance.

We assist with inspection, documentation, and pre-delivery preparation before shipment.

Global Shipping

We coordinate worldwide shipping with secure export packaging and complete documentation. Delivery can be arranged under EXW, CIF, or CFR terms. Processing begins immediately after confirmation, with timelines depending on destination and logistics.

Frequently Asked Questions

Is the Yanmar 4CHE3 currently available?

Availability can be confirmed based on current stock and sourcing.

Does it come with a gearbox?

Yes, compatible hydraulic Yanmar Gearboxes and ZF Gearboxes are available.

What does M-rating mean?

M-rating indicates medium-duty commercial operation with extended running hours under load.

Is this engine suitable for commercial vessels?

Yes, it is specifically designed for workboats, fishing vessels, and continuous-duty operations.

How do I request pricing?

Contact us for the latest Yanmar 4CHE3 price and availability.

Request a Quote

Contact Yanmar Marine Experts to request pricing and availability for your preferred Yanmar marine engine.

To ensure accurate configuration before shipment, please provide:

  • Vessel type
  • Application (commercial / workboat / fishing)
  • Preferred gearbox model
  • Preferred gearbox ratio
  • Delivery location
  • Purchase timeline

We assist with full propulsion matching, export coordination, and pre-delivery setup.