Volvo Penta D6-340 – Inboard Diesel Engine 340 HP
Mid-size motor yachts navigate offshore passages behind a Volvo Penta D6-340 marine diesel, which generates 340 HP from an aftercooled 5.5L inline-6 block at 3400 RPM, driving HS85A or ZF gears with 150 Amps charging at 1521 lbs.
- 5.5L displacement produces heavy displacement thrust
- Common rail injection stops transom soot staining
- 150-Amp alternator maintains battery bank reserves
- Water-cooled manifold reduces ambient engine compartment heat
$12,584.60
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With 340 hp at 3,400 rpm, the Volvo Penta D6-340 uses a turbocharged and aftercooled 5.5L inline six-cylinder diesel configuration with common rail fuel injection. The supplied specifications identify EN 590 or ASTM D975 diesel, a 17.5:1 compression ratio, and hydraulic marine gear. EVC controls, an SAE 4 flywheel housing, and HS85A or ZF-compatible drive arrangements define the listed propulsion interfaces.
The engine is supplied with a stated 690 kg dry weight, 12V 150-amp or 24V 80-amp alternator options, and heat-exchanger cooling holding 16L coolant. A water-cooled manifold forms part of the exhaust system, while wet-sump pressure-feed lubrication uses 20L oil capacity. Listed emissions ratings include EPA Tier 3, IMO II, and RCD II.
Why Choose the Volvo Penta D6-340 Marine Diesel Engine
The D6-340 marine diesel engine combines 340 hp at 3,400 rpm with turbocharging, aftercooling, and common rail injection in a 5.5L six-cylinder layout. Buyers can assess its EVC controls, hydraulic marine gear, HS85A or ZF-compatible drive options, and dual-voltage alternator choices. The supplied 16L coolant capacity, 20L oil capacity, and listed emissions ratings provide further installation data.
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. For product details and order support, offers assistance before your purchase is placed. Review the applicable warranty information on before completing your order.
Before Ordering the Volvo Penta D6-340 Marine Diesel Engine
Before ordering, verify engine-bed dimensions, structural capacity, final dry weight for the complete propulsion package, SAE 4 flywheel-housing compatibility, hydraulic gear selection, HS85A or ZF drive arrangement, EVC controls, alternator voltage, fuel supply, cooling-water intake, water-cooled manifold routing, ventilation, shaft alignment, propeller matching, and professional installation planning.
Product Specifications
Volvo Penta D6-340 Full Specs
| Engine type | In-line 6, 4-stroke Diesel |
|---|---|
| Displacement | 5.5L (336 cid) |
| Bore x stroke | 103 x 110 mm |
| Horsepower | 340 hp (250 kW) |
| Rated rpm | 3400 rpm |
| Aspiration | Turbocharged with Aftercooler |
| Compression ratio | 17.5:1 |
| Fuel system | Common Rail Fuel Injection |
| Recommended fuel | Diesel (EN 590 / ASTM D975) |
| Ignition/Firing Order | Compression / 1-5-3-6-2-4 |
| Alternator | 12V/150A or 24V/80A |
| Gear ratio/Drive | HS85A / ZF Compatible |
| Transmission | Hydraulic Marine Gear |
| Dry weight | 690 kg (1521 lbs) |
| Flywheel housing | SAE 4 |
| Steering | Electronic Vessel Control (EVC) |
| Coolant capacity | 16L |
| Exhaust system | Water cooled manifold |
| Cooling system | Heat Exchanger Cooling |
| Lubrication | Pressure feed (Wet Sump) |
| Oil capacity | 20L |
| Emissions rating | EPA Tier 3, IMO II, RCD II |
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