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