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Volvo Penta D1-13 – Inboard Diesel Engine 12.2 HP
Volvo Penta D1-13 – 12.2 HP is a refined clean-running boat motor utilizing a compact 2-cylinder diesel architecture designed for the highest level of auxiliary sailing comfort. This 0.5L engine features a rugged cast-iron block and a specialized induction silencer, providing whisper-quiet operation and minimal vibration for small sailboats requiring a dependable, fuel-efficient propulsion partner.
- Precision Operational Data: Rated at 12.2 HP (9.0 kW) at 3200 RPM.
- Internal Engine Configuration Type: Inline 2-Cylinder 0.51L Displacement.
- Advanced Fuel Delivery System: Mechanical Fuel Injection with glow plugs.
- Recommended Vessel Application Use: Ideal for sailboats and technical harbor tenders.
- Factory Protection Service Plan: Volvo Penta 2+3 year limited warranty coverage.
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Description
Volvo Penta D1-13 12.2 HP – Lightweight Sailing Yacht Diesel
Solving the need for a dependable, ultra-compact auxiliary power source, the Volvo Penta D1-13 delivers 12.2 HP at 3200 RPM. This 2-cylinder diesel is specifically designed for small sailing yachts where engine room space is at a premium and weight distribution is critical for vessel performance. For the American sailor, the D1-13 provides a vibration-free cruising experience and the reliability required for harbor maneuvering or motoring through light winds along the USA Intracoastal Waterway.
Fully compliant with USA EPA Tier 3 regulations, the D1-13 utilizes a refined combustion system to ensure clean, odor-free operation, enhancing the environment on deck for yachting families. The engine is equipped with a high-capacity 115-amp alternator, providing the electrical independence needed to power essential navigation electronics and LED lighting. Its robust construction and freshwater cooling system are engineered to withstand the demanding high-salinity conditions of American coastal waters, making it a “fit and forget” solution for small-boat owners.
Core Technical Specifications
- Maximum Output: 12.2 HP at 3200 RPM.
- Displacement: 31 cubic inches (0.51 Liters).
- Configuration: In-line 2-cylinder diesel engine.
- Aspiration: Naturally aspirated for maximum reliability.
- Dry Weight: Approximately 284 lbs with MS10 gear.
- Electrical: 12V / 115A marine alternator standard.
- Compliance: EPA Tier 3 and RCD2 certified.
- Bore and Stroke: 2.64 x 2.83 inches.
Volvo Penta D1-13 Full Specs
| Engine type | In-line 2, 4-stroke Diesel |
| Displacement | 0.51L (31 cid) |
| Bore x stroke | 67 x 72 mm |
| Horsepower | 12.2 hp (9.0 kW) |
| Rated rpm | 3200 rpm |
| Aspiration | Naturally Aspirated |
| Compression ratio | 23.5:1 |
| Fuel system | In-line Injection Pump |
| Recommended fuel | Diesel (EN 590 / ASTM D975) |
| Ignition/Firing Order | Compression / 1-2 |
| Alternator | 115 Amp |
| Gear ratio/Drive | MS10A / MS10L / S-Drive |
| Transmission | Mechanical Marine Gear |
| Dry weight | 113 kg (249 lbs) |
| Flywheel housing | SAE 5 (modified) |
| Steering | Mechanical compatible |
| Coolant capacity | 2.1L |
| Exhaust system | Water cooled elbow |
| Cooling system | Fresh water cooled (Closed) |
| Lubrication | Pressure feed |
| Oil capacity | 1.9L |
| Emissions rating | EPA Tier 3, BSO II, RCD II |
Volvo Penta D1-13 Service & Performance Guide
What is the fuel consumption of the Volvo Penta D1-13?
The D1-13 consumes approximately 0.8 gallons per hour at its maximum 3,200 RPM. This 0.51-liter two-cylinder engine is built for maximum economy in light displacement sailboats and auxiliary applications. Cruising at 2,200 RPM significantly reduces noise and vibration while maintaining steady propulsion in calm waters.
What oil grade is required for the Volvo Penta D1-13?
This model requires 2.0 quarts of SAE 15W-40 oil meeting VDS-4.5 or API CK-4 specifications. Frequent oil changes are the most important maintenance task for this compact block to protect the main bearings. Change the oil and replace the spin-on filter every 200 hours or at the end of each season to prevent acidic buildup.
How does the Volvo Penta D1-13 cooling system operate?
It utilizes a freshwater cooling circuit with a seawater-cooled heat exchanger, ensuring the cast-iron block stays at a stable operating temperature. This setup protects against scale and corrosion compared to direct-cooled engines. Periodically check the freshwater level in the expansion tank and top up with a 50/50 coolant/water mixture.
What are the electrical system specifications for this engine?
A standard D1-13 comes equipped with a 12V-115A alternator, offering exceptional charging capacity for such a small diesel engine. This ensures that even short periods of motoring will replenish starting batteries and small house banks. Check the alternator belt tension every 50 hours to prevent slipping under high electrical loads.
What are the physical dimensions and weight of the D1-13?
The dry weight is only 212 lbs, measuring 20.2 inches in length and 21.0 inches in height. Its extremely small footprint is specifically engineered to fit under narrow companionway steps in smaller yachts. Ensure the engine mounts are inspected annually for wear to minimize the natural vibration of the two-cylinder configuration.
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