Volvo Penta D1-20 – Inboard Diesel Engine 18.8 HP
Narrow engine beds on daysailers accommodate this Volvo Penta D1-20 inboard motor, which turns an MS10 gearbox or S-Drive at 3200 RPM, producing 18.8 HP from a naturally aspirated 0.76L 3-cylinder block with 115 Amps charging at 287 lbs.
- 0.76L displacement balances smooth auxiliary thrust
- 115-Amp alternator powers onboard navigation electronics
- Closed cooling system blocks raw saltwater
- Weighs 287 lbs minimizing stern settling
$2,064.65
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Engine rooms planned around a 287-pound dry diesel package and a compact SAE 5 interface can evaluate the Volvo Penta D1-20. This naturally aspirated 0.76L inline three-cylinder engine produces 18.8 hp at 3,200 rpm through an in-line injection pump. Its mechanical marine gear, MS10A, MS10L, or S-Drive compatibility, 115-amp alternator, closed fresh-water cooling, and mechanical steering compatibility establish the supplied integration points.
The engine uses EN 590 or ASTM D975 diesel, a stated 23.5:1 compression ratio, and pressure-feed lubrication holding 2.8L oil. Coolant capacity is listed at 3.0L, while a water-cooled elbow forms the exhaust arrangement. The supplied specification identifies EPA Tier 3, BSO II, and RCD II emissions ratings.
Why Choose the Volvo Penta D1-20 Marine Diesel Engine
The D1-20 marine diesel engine combines 18.8 hp at 3,200 rpm with a naturally aspirated 0.76L three-cylinder configuration and in-line injection pump. Buyers comparing compact propulsion options can assess its MS10A, MS10L, or S-Drive compatibility, mechanical marine gear, 115-amp alternator, and modified SAE 5 flywheel housing. The supplied 287-pound dry weight, coolant capacity, and oil capacity support engine-room planning.
Warranty and Support
Warranty coverage should be confirmed against the current Volvo Penta warranty policy applicable to the exact engine, purchase market, installation, and operating use. can assist with product details and order-related questions before purchase. Please review current warranty eligibility and coverage details on before purchase.
Before Ordering the Volvo Penta D1-20 Marine Diesel Engine
Before ordering, verify engine-bed dimensions, mount locations, modified SAE 5 flywheel-housing compatibility, selected MS10A, MS10L, or S-Drive arrangement, fuel supply, cooling-water intake, water-cooled elbow routing, control connections, alternator wiring, ventilation, shaft or saildrive alignment, and professional propulsion installation planning.
Product Specifications
Volvo Penta D1-20 Full Specs
| Engine type | In-line 3, 4-stroke Diesel |
|---|---|
| Displacement | 0.76L (46 cid) |
| Bore x stroke | 67 x 72 mm |
| Horsepower | 18.8 hp (13.8 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 / 1-3-2 |
| Alternator | 115 Amp |
| Gear ratio/Drive | MS10A / MS10L / S-Drive |
| Transmission | Mechanical Marine Gear |
| Dry weight | 130 kg (287 lbs) |
| Flywheel housing | SAE 5 (modified) |
| Steering | Mechanical compatible |
| Coolant capacity | 3.0L |
| Exhaust system | Water cooled elbow |
| Cooling system | Fresh water cooled (Closed) |
| Lubrication | Pressure feed |
| Oil capacity | 2.8L |
| Emissions rating | EPA Tier 3, BSO II, RCD II |
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