Description
Volvo Penta TAMD41 engine
The Volvo Penta TAMD41 200 hp marine engine is a 6-cylinder, turbocharged, and aftercooled diesel engine known for its reliability, fuel efficiency, and compact size, making it suitable for planing craft and twin installations.A dashboard with controls, gauges, and cables is often sold with the complete engine package, as seen in listings for used models. These engines are equipped with a heat exchanger cooling system and a direct injection system for optimal performance.
Engine specifications and features
- Engine type: 6-cylinder, 4-stroke, direct-injected marine diesel
- Horsepower: 200 hp (147 kW)
- Aspiration: Turbocharged with an aftercooler for increased oxygen content and more efficient combustion
- Cooling: Heat exchanger cooling system
- Fuel system: Direct injection, which reduces thermal load and improves fuel economy
- Application: Developed for planing craft and is an excellent choice for twin installations due to its compact dimensions
Included accessories with some listings
- Dashboard: Often sold with the engine, including gauges, controls, and cables.
- Gearbox: May be available with a direct drive gearbox or adapted for a sterndrive trumpet housing.
Performance and reliability
- Reliable and economic: Designed for reliable and economic operation with considerable power resources.
- Fuel efficiency: The combination of direct injection, turbocharging, and aftercooler contributes to excellent fuel economy.
- Performance: Provides excellent acceleration characteristics.
- Emissions: Advanced combustion system helps minimize harmful exhaust emissions.
Points to note
- Some used engines may have a history of specific issues, such as overheating. Regular maintenance of cooling passages is crucial.
- When purchasing a used engine, ensure it includes a complete dashboard, controls, and the appropriate drive system (outdrive or gearbox) for your needs.
Key Features and Specifications: Volvo Penta TAMD41 engine
- Engine Type : Inboard Diesel, 6 cylinders in-line.
- Power Output : 200 hp (147 kW) at the crankshaft.
- Displacement : 3.6 liters.
- Combustion System : Direct injection (DI) with a mechanical governor.
- Air System : Turbocharged and aftercooled (raw water cooled intercooler).
- Cooling System : Freshwater cooling via a heat exchanger and a gear-driven seawater pump.
- Electrical System : Typically a 12V system with a 14V/60A marine alternator.
- Dimensions (approx. with reverse gear) : Length 1220mm, Width 680mm, Height 755mm.
- Weight (dry with HS63A reverse gear) : Approx. 503 kg (1109 lbs).
Dashboard (Control Panel)
The engine package typically comes with a standard control panel and interconnecting wiring harness. The standard instrumentation includes:
- Key switch
- Tachometer (rev counter)
- Hour meter
- Temperature gauge
- Oil pressure gauge
- Voltmeter
- Instrument lighting
- Alarms for temperature, oil pressure, and charging failure
- Alarm test function
Various accessories and extra panels were also available to suit specific installation requirements.
frequently asked questions
Here are frequently asked questions about the
Volvo Penta TAMD41 200 hp marine engine, covering common issues, maintenance, and operation.
General Operation and Maintenance
- What is the recommended cruising RPM?
The optimal cruising RPM is typically around 2700-3000 RPM , which is after the engine’s torque peak. Running the engine at this range ensures better fuel efficiency and less stress, rather than constantly running it at the maximum 3800-3900 RPM (which should only be for short bursts in pleasure craft applications). - How often should I service the engine?
General maintenance, such as changing the engine oil and oil filter, should be done every 100 hours of operation or at least once a year , whichever comes first. Other components like fuel filters and impellers have specific intervals, detailed in the engine’s service manual. - What are the key daily checks?
Daily inspections should include checking the engine oil level and the freshwater coolant level . Before a trip, you should also confirm the raw water intake is clear and check drive belts for proper tension and condition.
Common Problems and Troubleshooting
- Why is my engine overheating?
Overheating is a common issue and can be caused by several factors: a clogged heat exchanger , a faulty water pump or worn impeller , air leaks in the cooling system, or a malfunctioning thermostat. Regularly inspect and clean the heat exchanger and replace the impeller as part of routine maintenance. - Why is the engine emitting black smoke and losing power?
Heavy black smoke and a drop in power often indicates incomplete combustion , which can stem from clogged fuel injectors, a problem with the turbocharger not producing enough boost, or blocked air intake/exhaust systems. Check fuel filters and ensure the turbocharger is functioning correctly. - Why is the engine hard to start or produce white smoke?
Hard starting, especially after sitting, is a classic sign of air in the fuel system , likely due to loose fuel line connections or a faulty seal around the fuel filter. Bleeding the fuel system to remove trapped air will usually resolve this. White smoke often confirms the presence of air in the system or potential water ingress. - Why is the coolant color changing?
A change in coolant color can suggest internal corrosion or oil contamination. Inspect the heat exchanger and coolant passages for rust or leaks. Water in the oil filler cap could indicate a more serious issue like a head gasket failure
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