Cummins QSB6.7 355 HP Marine Diesel Engine
$9,345.00
In Stock
Used Cummins QSB6.7 355 HP Marine Diesel Engine Specs
| Brand | Cummins Marine |
| Full Model Code | QSB6.7-355 |
| Country of Origin | United States |
| Engine Family/Series | Cummins Quantum System B Series Premium Propulsion Line |
| Engine Type & Configuration | Inline 6-Cylinder, 4-Stroke, 24-Valve High-Performance Inboard Diesel |
| Aspiration & Induction System | Turbocharged with Wastegate Controls and High-Flow Seawater Intercooler Array |
| Displacement | 6.700 Liters / 6700 cc (408 cu in) |
| Bore x Stroke | 107.0 mm x 124.0 mm (4.21 in x 4.88 in) |
| Cylinder Count & Valves per Cylinder | 6-Cylinder, 4-Valves per Cylinder (24 Valves Total) |
| Compression Ratio | 17.3:1 |
| Rated Power / Horsepower | 355 HP (261 kW) @ 3000 RPM (Intermittent Commercial / Medium Continuous Duty) |
| Maximum Engine Speed / Rated RPM | 3000 RPM |
| Maximum Torque | 1068 Nm @ 2000 RPM |
| Fuel System & Injection Type] | Bosch High-Pressure Common Rail (HPCR) Multi-Injection Delivery, Direct Injection |
| Governor Type | Full Authority Electronic Engine Controls matching SmartCraft Yacht Monitoring Networks |
| Electrical System Voltage & Alternator Output | 12V / 24V System Layouts, Upgraded 105 Amp Marine Charging Alternator Matrix |
| Starting System | 12V or 24V Heavy-Duty Electric Mechanical Starter Engager |
| Cooling System Type | Closed Loop Freshwater Engine Core with Enhanced Multi-Pass Sea Exchanger Array |
| Lubricating Oil Capacity / Oil Pan Capacity | 16.7 Liters (High capacity marine engine sump) |
| Exhaust Diameter / Exhaust System Type | 125 mm / Water-Insulated Turbo Exhaust Collector with Wet Injected Overboard Mixer |
| Flywheel & Flywheel Housing Size | SAE 3 Housing Standard Platform |
| Dry Weight without Marine Gear | 658 kg (1450 lbs) |
| Dimensions L x W x H | 1266 mm x 851 mm x 857 mm |
| Emission Certifications & Duty Rating | EPA Marine Tier 3 / IMO Tier II Compliant / Intermittent Commercial / High Output Leisure Rating |
| Application | Express sports cruisers, regional charter fishing boats, fast response security launches, lobster boats, and flybridge motor yachts (Typical hull lengths 36-48 feet, optimized for snappy mid-range torque transition to straight down-angle hydraulic transmissions or V-drive pods). |
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