| Manufacturer / Brand | Volvo Penta |
| Model Designation | D3-170I Mid-Range |
| Engine Type | 4-Stroke Inboard Mid-Range Marine Diesel Engine |
| Cylinder Configuration | Inline-5, 20-Valve DOHC |
| Total Displacement | 2.4 Liters (146 cu in) |
| Bore x Stroke | 81.0 x 93.2 mm (3.19 x 3.67 in) |
| Aspiration & Charge Air | Variable Geometry Turbocharger (VGT) with Charge Air Cooler |
| Cooling System Architecture | Closed-Circuit Fresh Water Cooling with Tubular Heat Exchanger and Raw Water Impeller Pump |
| Continuous Power Rating (P1) | 120 BHP (89 kW) @ 3,000 RPM |
| Maximum / Intermittent Power (P3/P4) | 170 BHP (125 kW) @ 4,000 RPM (Rating 5 Shaftline Duty) |
| Fuel Injection Platform | High-Pressure Common Rail (HPCR) Injection System with Piezoelectric Technology |
| Cylinder Head Metallurgy | Dual Overhead Camshaft Crossflow Aluminum Cylinder Head |
| Cylinder Liners | Cast-In High-Strength Cast Iron Liners in Die-Cast Aluminum Engine Block |
| Flywheel Housing & Flywheel | Volvo Penta Inboard Flywheel Housing with Dampened Coupler |
| Electrical System & Ground | 12V 2-Pole Marine Electrical System with EVC-E Electronic Vessel Control |
| Starter & Alternator Output | 12V 3.0 kW Starter / 12V 150A High-Output Alternator with Built-In Regulator |
| Lube Oil Sump Capacity | 6.5 Liters (1.72 US gal) |
| Engine Coolant Capacity | 8.9 Liters (2.35 US gal) |
| Dry Weight (excl. gearbox) | 260 kg (573 lbs) |
| Overall Dimensions (L x W x H) | 868 x 688 x 697 mm (34.2 x 27.1 x 27.4 in) |
| Emissions Certification | EPA Marine Tier 3, IMO Tier II, EU RCD Stage II |
| Fuel Compatibility | Ultra-Low Sulfur Diesel (ULSD No. 2), Marine Gas Oil (MGO DMA/DMB), B20 Biodiesel Blends |
| Transmission / Outdrive Compatibility | Inboard Shaft Drive Configuration - Compatible with Volvo Penta HS45A, ZF 45A, ZF 45IV, or PRM 500D |
| Factory Warranty Period | 2-Year Limited Factory Warranty with 3-Year Extended Major Components Coverage |
| Application Research | Mid-range motor yachts, displacement cruising boats, sport fishing vessels, fast tenders, and harbor patrol craft requiring quiet, low-vibration shaft line propulsion. |
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