Iveco AIFO 8141 M8 Marine Engine

The Iveco AIFO 8141 M8 is a powerful and dependable marine diesel engine designed for continuous-duty operation in both commercial and recreational marine applications. Known for its robust construction and reliable performance, this engine is well suited for vessels that require consistent power, durability, and efficient fuel consumption.

Engine Design & Construction

The Iveco AIFO 8141 M8 features a 4-stroke inline diesel configuration with a heavy-duty cast-iron engine block engineered to withstand harsh marine environments. Precision-machined internal components ensure smooth operation, high mechanical efficiency, and long service life even under demanding operating conditions.

Its marine-specific design includes corrosion-resistant materials and components optimized for saltwater and freshwater use.

Performance & Power Delivery

Delivering strong torque across a wide RPM range, the 8141 M8 provides excellent thrust and reliable propulsion for medium-sized vessels. The engine is designed to maintain stable performance during prolonged cruising and heavy load operation, making it ideal for workboats, patrol boats, and cruising yachts.

Fuel Efficiency & Operation

Equipped with a direct fuel injection system, the engine ensures efficient combustion and optimized fuel consumption. The balanced design results in smooth power delivery, reduced vibration, and consistent engine response, improving onboard comfort and operational efficiency.

Cooling & Marine Reliability

The Iveco AIFO 8141 M8 uses a freshwater cooling system with heat exchanger, protecting the engine from corrosion while maintaining optimal operating temperatures. This system enhances reliability, reduces wear on internal components, and extends overall engine lifespan.

Maintenance & Serviceability

Designed for ease of maintenance, the engine provides accessible service points for routine checks and servicing. Iveco AIFO proven engineering and widespread parts availability ensure simplified maintenance and long-term support.

Applications

The Iveco AIFO 8141 M8 Marine Engine is ideal for:

Commercial fishing vessels
Workboats and utility vessels
Patrol and service boats
Recreational cruising yachts

Key Advantages

Proven Iveco AIFO marine diesel reliability
Strong torque and continuous-duty capability
Fuel-efficient direct injection system
Freshwater cooling with heat exchanger
Durable construction for marine environments

Technical Specifications

General

Model: Iveco AIFO 8141 M8
Engine Type: 4-stroke marine diesel engine
Aspiration: Naturally aspirated
Fuel System: Direct mechanical fuel injection
Number of Cylinders: 6 inline

Displacement & Combustion

Displacement: Approx. 5.9 liters
Bore × Stroke: Approx. 102 mm × 120 mm
Compression Ratio: Approx. 17.5 : 1
Combustion System: Direct injection diesel

Performance

Rated Power Output: Approx. 145–150 HP @ 3,000 RPM
Maximum Torque: Approx. 430 Nm @ 1,800 RPM
Rated Engine Speed: 3,000 RPM
Continuous Duty Rating: Designed for marine continuous operation

Cooling & Lubrication

Cooling System: Freshwater cooling with heat exchanger
Lubrication System: Full-pressure lubrication with oil cooler
Engine Oil Capacity: Approx. 12 liters

Electrical System

Starting System: 12 V or 24 V electric start
Alternator: Marine-grade alternator

Dimensions & Weight

Dry Weight: Approx. 520–550 kg
Overall Dimensions (L × W × H): Approx. 1,050 × 700 × 850 mm

Air & Exhaust

Air Intake: Naturally aspirated air intake system
Exhaust System: Marine wet exhaust compatible

Fuel Consumption

Specific Fuel Consumption: Approx. 215 g/kWh (depending on load and operating conditions)

Installation & Drive

Rotation: Standard marine rotation
Drive Type: Inboard marine propulsion
Mounting: Marine flexible engine mounts

Iveco AIFO 8141 M8

Iveco AIFO 8141 M8 Marine For Sale