| Manufacturer / Brand | Volvo Penta |
| Model Designation | D6-480I High-Output |
| Engine Type | 4-Stroke High-Output Supercharged & Turbocharged Inboard Marine Diesel Engine |
| Cylinder Configuration | Inline-6, 24-Valve DOHC |
| Total Displacement | 5.5 Liters (336 cu in) |
| Bore x Stroke | 103 x 110 mm (4.06 x 4.33 in) |
| Aspiration & Charge Air | Mechanical Supercharger and Turbocharger with High-Capacity Seawater-Cooled Intercooler |
| Cooling System Architecture | Freshwater Heat Exchanger Cooling with Seawater Impeller Circuit and Integrated Oil Cooler |
| Continuous Power Rating (P1) | 340 BHP (250 kW) @ 3,200 RPM |
| Maximum / Intermittent Power (P3/P4) | 480 BHP (353 kW) @ 3,700 RPM (Rating 5 High-Output Pleasure Craft Duty) |
| Fuel Injection Platform | High-Pressure Common Rail (HPCR) Injection System (2,000 bar) with Piezoelectric Management |
| Cylinder Head Metallurgy | Single-Piece 24-Valve Cast Iron Cylinder Head with Structural Crossflow Layout |
| Cylinder Liners | Parent Bore High-Strength Cast Iron Block with Integral Stiffening Ladder Frame |
| Flywheel Housing & Flywheel | Volvo Penta Inboard Pattern Flywheel Housing with Dampened Torsional Drive Plate |
| Electrical System & Ground | 12V 2-Pole Marine Electrical Ground System with EVC-2 CAN-Bus Integration |
| Starter & Alternator Output | 12V 3.0 kW Starter / 12V 115A Marine Alternator with Dynamic Battery Sensor |
| Lube Oil Sump Capacity | 20.0 Liters (5.28 US gal) |
| Engine Coolant Capacity | 16.0 Liters (4.23 US gal) |
| Dry Weight (excl. gearbox) | 580 kg (1,279 lbs) |
| Overall Dimensions (L x W x H) | 1,151 x 823 x 779 mm (45.3 x 32.4 x 30.7 in) |
| Emissions Certification | EPA Marine Tier 3, IMO Tier II, EU RCD Stage II |
| Fuel Compatibility | Ultra-Low Sulfur Diesel (ULSD No. 2), MGO (DMA/DMB), B20 Biodiesel Blends |
| Transmission / Outdrive Compatibility | Inboard Shaft Drive Configuration - Direct Mount for Volvo Penta HS85A, HS85IV, ZF 85A, ZF 85IV, and ZF 280A Reverse Reduction Gears |
| Factory Warranty Period | 2-Year Limited Factory Warranty with 3-Year Major Components Coverage |
| Application Research | High-speed sport fishing convertibles, offshore express cruisers, high-performance day yachts, tactical security interceptors, and custom chase tenders. |
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